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     3 <title>MayaChemTools:Code:Fingerprints::ExtendedConnectivityFingerprints.pm</title>
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    13 <pre>
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    14 <a name="package-Fingerprints::ExtendedConnectivityFingerprints-"></a>   1 <span class="k">package </span><span class="i">Fingerprints::ExtendedConnectivityFingerprints</span><span class="sc">;</span>
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    15    2 <span class="c">#</span>
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    16    3 <span class="c"># $RCSfile: ExtendedConnectivityFingerprints.pm,v $</span>
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    17    4 <span class="c"># $Date: 2015/02/28 20:48:54 $</span>
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    18    5 <span class="c"># $Revision: 1.39 $</span>
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    19    6 <span class="c">#</span>
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    20    7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span>
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    21    8 <span class="c">#</span>
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    22    9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
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    23   10 <span class="c">#</span>
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    24   11 <span class="c"># This file is part of MayaChemTools.</span>
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    25   12 <span class="c">#</span>
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    26   13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
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    27   14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
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    28   15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
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    29   16 <span class="c"># later version.</span>
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    30   17 <span class="c">#</span>
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    31   18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
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    32   19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
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    33   20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span>
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    34   21 <span class="c"># details.</span>
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    35   22 <span class="c">#</span>
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    36   23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
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    37   24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span>
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    38   25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
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    39   26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
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    40   27 <span class="c">#</span>
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    41   28 
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    42   29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
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    43   30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span>
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    44   31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span>
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    45   32 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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    46   33 <span class="k">use</span> <span class="w">MathUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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    47   34 <span class="k">use</span> <span class="w">Fingerprints::Fingerprints</span><span class="sc">;</span>
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    48   35 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span>
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    49   36 <span class="k">use</span> <span class="w">AtomTypes::AtomicInvariantsAtomTypes</span><span class="sc">;</span>
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    50   37 <span class="k">use</span> <span class="w">AtomTypes::FunctionalClassAtomTypes</span><span class="sc">;</span>
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    51   38 <span class="k">use</span> <span class="w">AtomTypes::DREIDINGAtomTypes</span><span class="sc">;</span>
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    52   39 <span class="k">use</span> <span class="w">AtomTypes::EStateAtomTypes</span><span class="sc">;</span>
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    53   40 <span class="k">use</span> <span class="w">AtomTypes::MMFF94AtomTypes</span><span class="sc">;</span>
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    54   41 <span class="k">use</span> <span class="w">AtomTypes::SLogPAtomTypes</span><span class="sc">;</span>
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    55   42 <span class="k">use</span> <span class="w">AtomTypes::SYBYLAtomTypes</span><span class="sc">;</span>
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    56   43 <span class="k">use</span> <span class="w">AtomTypes::TPSAAtomTypes</span><span class="sc">;</span>
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    57   44 <span class="k">use</span> <span class="w">AtomTypes::UFFAtomTypes</span><span class="sc">;</span>
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    58   45 
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    59   46 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span>
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    60   47 
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    61   48 <span class="i">@ISA</span> = <span class="q">qw(Fingerprints::Fingerprints Exporter)</span><span class="sc">;</span>
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    62   49 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span>
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    63   50 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span>
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    64   51 
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    65   52 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span>  <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span>
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    66   53 
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    67   54 <span class="c"># Setup class variables...</span>
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    68   55 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span>
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    69   56 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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    70   57 
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    71   58 <span class="c"># Overload Perl functions...</span>
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    72   59 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyExtendedConnectivityFingerprints'</span><span class="sc">;</span>
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    73   60 
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    74   61 <span class="c"># Class constructor...</span>
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    75 <a name="new-"></a>  62 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span>
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    76   63   <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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    77   64 
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    78   65   <span class="c"># Initialize object...</span>
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    79   66   <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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    80   67   <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span>
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    81   68   <span class="i">$This</span><span class="i">->_InitializeExtendedConnectivityFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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    82   69 
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    83   70   <span class="i">$This</span><span class="i">->_InitializeExtendedConnectivityFingerprintsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
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    84   71 
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    85   72   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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    86   73 <span class="s">}</span>
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    87   74 
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    88   75 <span class="c"># Initialize object data...</span>
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    89   76 <span class="c">#</span>
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    90 <a name="_InitializeExtendedConnectivityFingerprints-"></a>  77 <span class="k">sub </span><span class="m">_InitializeExtendedConnectivityFingerprints</span> <span class="s">{</span>
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    91   78   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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    92   79 
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    93   80   <span class="c"># Type of fingerprint to generate:</span>
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    94   81   <span class="c">#</span>
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    95   82   <span class="c"># ExtendedConnectivity - Set of integer identifiers corresponding to structurally unique features</span>
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    96   83   <span class="c"># ExtendedConnectivityCount - Set of integer identifiers corresponding to structurally unique features and their count</span>
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    97   84   <span class="c"># ExtendedConnectivityBits - A bit vector indicating presence/absence of structurally unique features</span>
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    98   85   <span class="c">#</span>
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    99   86   <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'ExtendedConnectivity'</span><span class="sc">;</span>
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   100   87 
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   101   88   <span class="c"># Atomic neighborhoods radius for extended connectivity...</span>
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   102   89   <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>} = <span class="n">2</span><span class="sc">;</span>
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   103   90 
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   104   91   <span class="c"># Size of bit bector to use during generation of ExtendedConnectivityBits fingerprints...</span>
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   105   92   <span class="i">$This</span>->{<span class="w">Size</span>} = <span class="n">1024</span><span class="sc">;</span>
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   106   93 
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   107   94   <span class="c"># Min and max size of bit bector to use during generation of ExtendedConnectivityBits fingerprints...</span>
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   108   95   <span class="i">$This</span>->{<span class="w">MinSize</span>} = <span class="n">32</span><span class="sc">;</span>
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   109   96   <span class="i">$This</span>->{<span class="w">MaxSize</span>} = <span class="n">2</span>**<span class="n">32</span><span class="sc">;</span>
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   110   97 
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   111   98   <span class="c"># Type of atom attributes to use for initial identifier assignment to non-hydrogen atoms</span>
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   112   99   <span class="c"># during the calculation of extended connectivity fingerprints [ Ref 48, Ref 52 ]...</span>
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   113  100   <span class="c">#</span>
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   114  101   <span class="c"># Currently supported values are: AtomicInvariantsAtomTypes, FunctionalClassAtomTypes,</span>
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   115  102   <span class="c"># DREIDINGAtomTypes, EStateAtomTypes, MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes,</span>
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   116  103   <span class="c"># TPSAAtomTypes, UFFAtomTypes</span>
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   117  104   <span class="c">#</span>
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   118  105   <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="q">''</span><span class="sc">;</span>
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   119  106 
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   120  107   <span class="c"># Random number generator to use during generation of fingerprints bit-vector</span>
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   121  108   <span class="c"># string: Perl CORE::rand or MayaChemTools MathUtil::random function.</span>
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   122  109   <span class="c">#</span>
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   123  110   <span class="c"># The random number generator implemented in MayaChemTools is a variant of</span>
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   124  111   <span class="c"># linear congruential generator (LCG) as described by Miller et al. [ Ref 120 ].</span>
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   125  112   <span class="c"># It is also referred to as Lehmer random number generator or Park-Miller</span>
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   126  113   <span class="c"># random number generator.</span>
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   127  114   <span class="c">#</span>
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   128  115   <span class="c"># Unlike Perl's core random number generator function rand, the random number</span>
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   129  116   <span class="c"># generator implemented in MayaChemTools, MathUtil::random,  generates consistent</span>
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   130  117   <span class="c"># random values across different platformsfor a specific random seed and leads</span>
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   131  118   <span class="c"># to generation of portable fingerprints bit-vector strings.</span>
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   132  119   <span class="c">#</span>
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   133  120   <span class="i">$This</span>->{<span class="w">UsePerlCoreRandom</span>} = <span class="n">1</span><span class="sc">;</span>
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   134  121 
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   135  122   <span class="c"># Atom neighorhoods up to specified neighborhood radius...</span>
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   136  123   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   137  124 
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   138  125   <span class="c"># Atom identifiers at different neighborhoods up to specified neighborhood radius...</span>
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   139  126   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   140  127 
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   141  128   <span class="c"># Structurally unique atom identifiers at different neighborhoods up to specified neighborhood radius...</span>
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   142  129   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   143  130   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   144  131 
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   145  132   <span class="c"># Unique atom identifiers at different neighborhoods up to specified neighborhood radius...</span>
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   146  133   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   147  134   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiersCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   148  135 
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   149  136   <span class="c"># Structure feature  information at different neighborhoods up to specified neighborhood</span>
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   150  137   <span class="c"># radius used during removal of atom indentifiers which are structually equivalent...</span>
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   151  138   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   152  139 <span class="s">}</span>
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   153  140 
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   154  141 <span class="c"># Initialize class ...</span>
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   155 <a name="_InitializeClass-"></a> 142 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span>
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   156  143   <span class="c">#Class name...</span>
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   157  144   <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span>
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   158  145 <span class="s">}</span>
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   159  146 
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   160  147 <span class="c"># Initialize object properties....</span>
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   161 <a name="_InitializeExtendedConnectivityFingerprintsProperties-"></a> 148 <span class="k">sub </span><span class="m">_InitializeExtendedConnectivityFingerprintsProperties</span> <span class="s">{</span>
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   162  149   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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   163  150 
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   164  151   <span class="k">my</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$MethodName</span><span class="s">)</span><span class="sc">;</span>
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   165  152   <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span>  <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span>
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   166  153     <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span>
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   167  154     <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span>
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   168  155   <span class="s">}</span>
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   169  156 
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   170  157   <span class="c"># Make sure molecule object was specified...</span>
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   171  158   <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Molecule</span>}<span class="s">)</span> <span class="s">{</span>
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   172  159     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying molecule..."</span><span class="sc">;</span>
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   173  160   <span class="s">}</span>
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   174  161 
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   175  162   <span class="c"># Make sure AtomIdentifierType was specified...</span>
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   176  163   <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span>
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   177  164     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying AtomIdentifierType..."</span><span class="sc">;</span>
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   178  165   <span class="s">}</span>
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   179  166 
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   180  167   <span class="c"># Make sure it's power of 2...</span>
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   181  168   <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Size</span>}<span class="s">)</span> <span class="s">{</span>
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   182  169     <span class="k">if</span> <span class="s">(</span>!<span class="i">TextUtil::IsNumberPowerOfNumber</span><span class="s">(</span><span class="i">$NamesAndValues</span>{<span class="w">Size</span>}<span class="cm">,</span> <span class="n">2</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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   183  170       <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Specified size value, $NamesAndValues{Size}, must be power of 2..."</span><span class="sc">;</span>
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   184  171     <span class="s">}</span>
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   185  172   <span class="s">}</span>
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   186  173 
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   187  174   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivity$/i</span><span class="s">)</span> <span class="s">{</span>
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   188  175     <span class="i">$This</span><span class="i">->_InitializeExtendedConnectivityFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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   189  176   <span class="s">}</span>
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   190  177   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivityCount$/i</span><span class="s">)</span> <span class="s">{</span>
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| 
 | 
   191  178     <span class="i">$This</span><span class="i">->_InitializeExtendedConnectivityCountFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   192  179   <span class="s">}</span>
 | 
| 
 | 
   193  180   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivityBits$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   194  181     <span class="i">$This</span><span class="i">->_InitializeExtendedConnectivityBitsFingerprintsBitVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   195  182   <span class="s">}</span>
 | 
| 
 | 
   196  183   <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
   197  184     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_InitializeExtendedConnectivityFingerprintsProperties: Unknown ExtendedConnectivity fingerprints type: $This->{Type}; Supported fingerprints types: ExtendedConnectivity, ExtendedConnectivityCount or ExtendedConnectivityBits..."</span><span class="sc">;</span>
 | 
| 
 | 
   198  185   <span class="s">}</span>
 | 
| 
 | 
   199  186 
 | 
| 
 | 
   200  187   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   201  188 <span class="s">}</span>
 | 
| 
 | 
   202  189 
 | 
| 
 | 
   203  190 <span class="c"># Initialize extended connectivity fingerprints vector...</span>
 | 
| 
 | 
   204  191 <span class="c">#</span>
 | 
| 
 | 
   205 <a name="_InitializeExtendedConnectivityFingerprintsVector-"></a> 192 <span class="k">sub </span><span class="m">_InitializeExtendedConnectivityFingerprintsVector</span> <span class="s">{</span>
 | 
| 
 | 
   206  193   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   207  194 
 | 
| 
 | 
   208  195   <span class="c"># Type of vector...</span>
 | 
| 
 | 
   209  196   <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="q">'FingerprintsVector'</span><span class="sc">;</span>
 | 
| 
 | 
   210  197 
 | 
| 
 | 
   211  198   <span class="c"># Type of FingerprintsVector...</span>
 | 
| 
 | 
   212  199   <span class="i">$This</span>->{<span class="w">FingerprintsVectorType</span>} = <span class="q">'AlphaNumericalValues'</span><span class="sc">;</span>
 | 
| 
 | 
   213  200 
 | 
| 
 | 
   214  201   <span class="i">$This</span><span class="i">->_InitializeFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   215  202 
 | 
| 
 | 
   216  203   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   217  204 <span class="s">}</span>
 | 
| 
 | 
   218  205 
 | 
| 
 | 
   219  206 <span class="c"># Initialize extended connectivity count fingerprints vector...</span>
 | 
| 
 | 
   220  207 <span class="c">#</span>
 | 
| 
 | 
   221 <a name="_InitializeExtendedConnectivityCountFingerprintsVector-"></a> 208 <span class="k">sub </span><span class="m">_InitializeExtendedConnectivityCountFingerprintsVector</span> <span class="s">{</span>
 | 
| 
 | 
   222  209   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   223  210 
 | 
| 
 | 
   224  211   <span class="c"># Type of vector...</span>
 | 
| 
 | 
   225  212   <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="q">'FingerprintsVector'</span><span class="sc">;</span>
 | 
| 
 | 
   226  213 
 | 
| 
 | 
   227  214   <span class="c"># Type of FingerprintsVector...</span>
 | 
| 
 | 
   228  215   <span class="i">$This</span>->{<span class="w">FingerprintsVectorType</span>} = <span class="q">'NumericalValues'</span><span class="sc">;</span>
 | 
| 
 | 
   229  216 
 | 
| 
 | 
   230  217   <span class="i">$This</span><span class="i">->_InitializeFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   231  218 
 | 
| 
 | 
   232  219   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   233  220 <span class="s">}</span>
 | 
| 
 | 
   234  221 
 | 
| 
 | 
   235  222 <span class="c"># Initialize extended connectivity bit fingerprints vector...</span>
 | 
| 
 | 
   236  223 <span class="c">#</span>
 | 
| 
 | 
   237 <a name="_InitializeExtendedConnectivityBitsFingerprintsBitVector-"></a> 224 <span class="k">sub </span><span class="m">_InitializeExtendedConnectivityBitsFingerprintsBitVector</span> <span class="s">{</span>
 | 
| 
 | 
   238  225   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   239  226 
 | 
| 
 | 
   240  227   <span class="c"># Type of vector...</span>
 | 
| 
 | 
   241  228   <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="q">'FingerprintsBitVector'</span><span class="sc">;</span>
 | 
| 
 | 
   242  229 
 | 
| 
 | 
   243  230   <span class="i">$This</span><span class="i">->_InitializeFingerprintsBitVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   244  231 
 | 
| 
 | 
   245  232   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   246  233 <span class="s">}</span>
 | 
| 
 | 
   247  234 
 | 
| 
 | 
   248  235 <span class="c"># Set type...</span>
 | 
| 
 | 
   249  236 <span class="c">#</span>
 | 
| 
 | 
   250 <a name="SetType-"></a> 237 <span class="k">sub </span><span class="m">SetType</span> <span class="s">{</span>
 | 
| 
 | 
   251  238   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Type</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   252  239 
 | 
| 
 | 
   253  240   <span class="k">if</span> <span class="s">(</span><span class="i">$Type</span> =~ <span class="q">/^ExtendedConnectivity$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   254  241     <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'ExtendedConnectivity'</span><span class="sc">;</span><span class="sc">;</span>
 | 
| 
 | 
   255  242   <span class="s">}</span>
 | 
| 
 | 
   256  243   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Type</span> =~ <span class="q">/^ExtendedConnectivityCount$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   257  244     <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'ExtendedConnectivityCount'</span><span class="sc">;</span><span class="sc">;</span>
 | 
| 
 | 
   258  245   <span class="s">}</span>
 | 
| 
 | 
   259  246   <span class="k">elsif</span> <span class="s">(</span><span class="i">$Type</span> =~ <span class="q">/^ExtendedConnectivityBits$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   260  247     <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'ExtendedConnectivityBits'</span><span class="sc">;</span><span class="sc">;</span>
 | 
| 
 | 
   261  248   <span class="s">}</span>
 | 
| 
 | 
   262  249   <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
   263  250     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetType: Unknown ExtendedConnectivity fingerprints type: $This->{Type}; Supported fingerprints types: ExtendedConnectivity, ExtendedConnectivityCount or ExtendedConnectivityBits..."</span><span class="sc">;</span>
 | 
| 
 | 
   264  251   <span class="s">}</span>
 | 
| 
 | 
   265  252   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   266  253 <span class="s">}</span>
 | 
| 
 | 
   267  254 
 | 
| 
 | 
   268  255 <span class="c"># Disable vector type change...</span>
 | 
| 
 | 
   269  256 <span class="c">#</span>
 | 
| 
 | 
   270 <a name="SetVectorType-"></a> 257 <span class="k">sub </span><span class="m">SetVectorType</span> <span class="s">{</span>
 | 
| 
 | 
   271  258   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Type</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   272  259 
 | 
| 
 | 
   273  260   <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetVectorType: Can't change vector type..."</span><span class="sc">;</span>
 | 
| 
 | 
   274  261 
 | 
| 
 | 
   275  262   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   276  263 <span class="s">}</span>
 | 
| 
 | 
   277  264 
 | 
| 
 | 
   278  265 <span class="c"># Disable vector type change...</span>
 | 
| 
 | 
   279  266 <span class="c">#</span>
 | 
| 
 | 
   280 <a name="SetFingerprintsVectorType-"></a> 267 <span class="k">sub </span><span class="m">SetFingerprintsVectorType</span> <span class="s">{</span>
 | 
| 
 | 
   281  268   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Type</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   282  269 
 | 
| 
 | 
   283  270   <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetFingerprintsVectorType: Can't change fingerprints vector type..."</span><span class="sc">;</span>
 | 
| 
 | 
   284  271 
 | 
| 
 | 
   285  272   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   286  273 <span class="s">}</span>
 | 
| 
 | 
   287  274 
 | 
| 
 | 
   288  275 <span class="c"># Set intial atom identifier type..</span>
 | 
| 
 | 
   289  276 <span class="c">#</span>
 | 
| 
 | 
   290 <a name="SetAtomIdentifierType-"></a> 277 <span class="k">sub </span><span class="m">SetAtomIdentifierType</span> <span class="s">{</span>
 | 
| 
 | 
   291  278   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$IdentifierType</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   292  279 
 | 
| 
 | 
   293  280   <span class="k">if</span> <span class="s">(</span><span class="i">$IdentifierType</span> !~ <span class="q">/^(AtomicInvariantsAtomTypes|FunctionalClassAtomTypes|DREIDINGAtomTypes|EStateAtomTypes|MMFF94AtomTypes|SLogPAtomTypes|SYBYLAtomTypes|TPSAAtomTypes|UFFAtomTypes)$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   294  281     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomIdentifierType: Specified value, $IdentifierType, for AtomIdentifierType is not vaild. Supported types in current release of MayaChemTools: AtomicInvariantsAtomTypes, FunctionalClassAtomTypes, DREIDINGAtomTypes, EStateAtomTypes, MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes and UFFAtomTypes."</span><span class="sc">;</span>
 | 
| 
 | 
   295  282   <span class="s">}</span>
 | 
| 
 | 
   296  283 
 | 
| 
 | 
   297  284   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   298  285     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomIdentifierType: Can't change intial atom identifier type:  It's already set..."</span><span class="sc">;</span>
 | 
| 
 | 
   299  286   <span class="s">}</span>
 | 
| 
 | 
   300  287 
 | 
| 
 | 
   301  288   <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="i">$IdentifierType</span><span class="sc">;</span>
 | 
| 
 | 
   302  289 
 | 
| 
 | 
   303  290   <span class="c"># Initialize identifier type information...</span>
 | 
| 
 | 
   304  291   <span class="i">$This</span><span class="i">->_InitializeAtomIdentifierTypeInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   305  292 
 | 
| 
 | 
   306  293   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   307  294 <span class="s">}</span>
 | 
| 
 | 
   308  295 
 | 
| 
 | 
   309  296 <span class="c"># Set atom neighborhood radius...</span>
 | 
| 
 | 
   310  297 <span class="c">#</span>
 | 
| 
 | 
   311 <a name="SetNeighborhoodRadius-"></a> 298 <span class="k">sub </span><span class="m">SetNeighborhoodRadius</span> <span class="s">{</span>
 | 
| 
 | 
   312  299   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   313  300 
 | 
| 
 | 
   314  301   <span class="k">if</span> <span class="s">(</span>!<span class="i">TextUtil::IsInteger</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   315  302     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetNeighborhoodRadius: NeighborhoodRadius value, $Value, is not valid:  It must be an  integer..."</span><span class="sc">;</span>
 | 
| 
 | 
   316  303   <span class="s">}</span>
 | 
| 
 | 
   317  304 
 | 
| 
 | 
   318  305   <span class="k">if</span> <span class="s">(</span><span class="i">$Value</span> < <span class="n">0</span> <span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   319  306     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetNeighborhoodRadius: NeighborhoodRadius value, $Value, is not valid:  It must be >= 0..."</span><span class="sc">;</span>
 | 
| 
 | 
   320  307   <span class="s">}</span>
 | 
| 
 | 
   321  308   <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>} = <span class="i">$Value</span><span class="sc">;</span>
 | 
| 
 | 
   322  309 
 | 
| 
 | 
   323  310   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   324  311 <span class="s">}</span>
 | 
| 
 | 
   325  312 
 | 
| 
 | 
   326  313 <span class="c"># Generate fingerprints description...</span>
 | 
| 
 | 
   327  314 <span class="c">#</span>
 | 
| 
 | 
   328 <a name="GetDescription-"></a> 315 <span class="k">sub </span><span class="m">GetDescription</span> <span class="s">{</span>
 | 
| 
 | 
   329  316   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   330  317 
 | 
| 
 | 
   331  318   <span class="c"># Is description explicity set?</span>
 | 
| 
 | 
   332  319   <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   333  320     <span class="k">return</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="sc">;</span>
 | 
| 
 | 
   334  321   <span class="s">}</span>
 | 
| 
 | 
   335  322 
 | 
| 
 | 
   336  323   <span class="c"># Generate fingerprints description...</span>
 | 
| 
 | 
   337  324 
 | 
| 
 | 
   338  325   <span class="k">return</span> <span class="q">"$This->{Type}:$This->{AtomIdentifierType}:Radius$This->{NeighborhoodRadius}"</span><span class="sc">;</span>
 | 
| 
 | 
   339  326 <span class="s">}</span>
 | 
| 
 | 
   340  327 
 | 
| 
 | 
   341  328 <span class="c"># Generate fingerprints...</span>
 | 
| 
 | 
   342  329 <span class="c">#</span>
 | 
| 
 | 
   343  330 <span class="c"># Methodology:</span>
 | 
| 
 | 
   344  331 <span class="c">#   . Assign initial atom identfiers to all non-hydrogen atoms in the molecule</span>
 | 
| 
 | 
   345  332 <span class="c">#</span>
 | 
| 
 | 
   346  333 <span class="c">#   . Remove duplicates from the initial identifiers and add them to list corresponding</span>
 | 
| 
 | 
   347  334 <span class="c">#     to molecule fingerprint</span>
 | 
| 
 | 
   348  335 <span class="c">#</span>
 | 
| 
 | 
   349  336 <span class="c">#   . For NeighborhoodRadius value of 0, just return the molecule fingerprint list</span>
 | 
| 
 | 
   350  337 <span class="c">#</span>
 | 
| 
 | 
   351  338 <span class="c">#   . For each NeighborhoodRadius level</span>
 | 
| 
 | 
   352  339 <span class="c">#      . For each non-hydrogen CentralAtom at this NeighborhoodRadius level</span>
 | 
| 
 | 
   353  340 <span class="c">#         . For each non-hydrogen SuccessorNeighborAtom</span>
 | 
| 
 | 
   354  341 <span class="c">#           . Collect (BondOrder AtomIdentifier) pair of values corresponding to</span>
 | 
| 
 | 
   355  342 <span class="c">#             (CentralAtom SuccessorNeighborAtom)  and add it to a list</span>
 | 
| 
 | 
   356  343 <span class="c">#</span>
 | 
| 
 | 
   357  344 <span class="c">#         . Sort list containing (BondOrder AtomIdentifier) pairs first by BondOrder followed</span>
 | 
| 
 | 
   358  345 <span class="c">#            by AtomIdendifiers to make these values graph invariant</span>
 | 
| 
 | 
   359  346 <span class="c">#         . Generate a hash code for the values in the list</span>
 | 
| 
 | 
   360  347 <span class="c">#         . Assign hash code as new atom identifier at the current NeighborhoodRadius level</span>
 | 
| 
 | 
   361  348 <span class="c">#         . Save all atoms and bonds corresponding to the substructure involved in</span>
 | 
| 
 | 
   362  349 <span class="c">#           generating the hash code to be used for identifying structural duplicate hash code</span>
 | 
| 
 | 
   363  350 <span class="c">#</span>
 | 
| 
 | 
   364  351 <span class="c">#         . Add the new identifier to the molecule fingerprint list making sure it's not a duplicate</span>
 | 
| 
 | 
   365  352 <span class="c">#           identifier</span>
 | 
| 
 | 
   366  353 <span class="c">#</span>
 | 
| 
 | 
   367  354 <span class="c">#   Hash code atom identifier deduplication:</span>
 | 
| 
 | 
   368  355 <span class="c">#     . Track/remove the identifier generated at higher neighborhood radius level</span>
 | 
| 
 | 
   369  356 <span class="c">#</span>
 | 
| 
 | 
   370  357 <span class="c">#  Structural atom identifier deduplication:</span>
 | 
| 
 | 
   371  358 <span class="c">#    . For equivalent atoms and bonds corresponding to substructure at a NeighborhoodRadius level,</span>
 | 
| 
 | 
   372  359 <span class="c">#      track/remove the atom identifier with largest value</span>
 | 
| 
 | 
   373  360 <span class="c">#</span>
 | 
| 
 | 
   374  361 <span class="c">#</span>
 | 
| 
 | 
   375 <a name="GenerateFingerprints-"></a> 362 <span class="k">sub </span><span class="m">GenerateFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
   376  363   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   377  364 
 | 
| 
 | 
   378  365   <span class="c"># Cache appropriate molecule data...</span>
 | 
| 
 | 
   379  366   <span class="i">$This</span><span class="i">->_SetupMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   380  367 
 | 
| 
 | 
   381  368   <span class="c"># Assign intial atom identifers...</span>
 | 
| 
 | 
   382  369   <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_AssignInitialAtomIdentifiers</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   383  370     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateFingerprints: $This->{AtomIdentifierType} fingerprints generation didn't succeed: Couldn't assign valid $This->{AtomIdentifierType} to all atoms..."</span><span class="sc">;</span>
 | 
| 
 | 
   384  371     <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   385  372   <span class="s">}</span>
 | 
| 
 | 
   386  373 
 | 
| 
 | 
   387  374   <span class="c"># Identify atom neighborhoods up to specified radius...</span>
 | 
| 
 | 
   388  375   <span class="i">$This</span><span class="i">->_GetAtomNeighborhoods</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   389  376 
 | 
| 
 | 
   390  377   <span class="c"># Assign atom identifiers to central atoms considering atom neighborhoods at each</span>
 | 
| 
 | 
   391  378   <span class="c"># radius level...</span>
 | 
| 
 | 
   392  379   <span class="i">$This</span><span class="i">->_AssignAtomIdentifiersToAtomNeighborhoods</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   393  380 
 | 
| 
 | 
   394  381   <span class="c"># Remove duplicates identifiers...</span>
 | 
| 
 | 
   395  382   <span class="i">$This</span><span class="i">->_RemoveDuplicateAtomIdentifiers</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   396  383 
 | 
| 
 | 
   397  384   <span class="c"># Set final fingerprints...</span>
 | 
| 
 | 
   398  385   <span class="i">$This</span><span class="i">->_SetFinalFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   399  386 
 | 
| 
 | 
   400  387   <span class="c"># Clear cached molecule data...</span>
 | 
| 
 | 
   401  388   <span class="i">$This</span><span class="i">->_ClearMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   402  389 
 | 
| 
 | 
   403  390   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   404  391 <span class="s">}</span>
 | 
| 
 | 
   405  392 
 | 
| 
 | 
   406  393 <span class="c"># Assign appropriate initial atom identifiers...</span>
 | 
| 
 | 
   407  394 <span class="c">#</span>
 | 
| 
 | 
   408  395 <span class="c">#   Generation of initial identifier for a specific atom involves:</span>
 | 
| 
 | 
   409  396 <span class="c">#     . Values of the specified atom attributes are appended in a specific order to</span>
 | 
| 
 | 
   410  397 <span class="c">#       generate an initial atom identifier string</span>
 | 
| 
 | 
   411  398 <span class="c">#     . A 32 bit unsigned integer hash key, using TextUtil::HashCode function,  is</span>
 | 
| 
 | 
   412  399 <span class="c">#       generated for the atom indentifier and assigned to the atom as initial</span>
 | 
| 
 | 
   413  400 <span class="c">#       atom identifier.</span>
 | 
| 
 | 
   414  401 <span class="c">#</span>
 | 
| 
 | 
   415 <a name="_AssignInitialAtomIdentifiers-"></a> 402 <span class="k">sub </span><span class="m">_AssignInitialAtomIdentifiers</span> <span class="s">{</span>
 | 
| 
 | 
   416  403   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   417  404   <span class="k">my</span><span class="s">(</span><span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$Radius</span><span class="cm">,</span> <span class="i">$SpecifiedAtomTypes</span><span class="cm">,</span> <span class="i">$IgnoreHydrogens</span><span class="cm">,</span> <span class="i">$AtomType</span><span class="cm">,</span> <span class="i">$InitialAtomTypeString</span><span class="cm">,</span> <span class="i">$InitialAtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   418  405 
 | 
| 
 | 
   419  406   <span class="c"># Initialize atom identifiers...</span>
 | 
| 
 | 
   420  407   <span class="i">$This</span><span class="i">->_InitializeAtomIdentifiers</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   421  408 
 | 
| 
 | 
   422  409   <span class="c"># Set up atom types...</span>
 | 
| 
 | 
   423  410   <span class="i">$IgnoreHydrogens</span> = <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   424  411   <span class="i">$SpecifiedAtomTypes</span> = <span class="k">undef</span><span class="sc">;</span>
 | 
| 
 | 
   425  412 
 | 
| 
 | 
   426  413   <span class="j">IDENTIFIERTYPE:</span> <span class="s">{</span>
 | 
| 
 | 
   427  414     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   428  415       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::AtomicInvariantsAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="cm">,</span> <span class="q">'AtomicInvariantsToUse'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}<span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   429  416       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   430  417     <span class="s">}</span>
 | 
| 
 | 
   431  418 
 | 
| 
 | 
   432  419     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   433  420       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::FunctionalClassAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="cm">,</span> <span class="q">'FunctionalClassesToUse'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}<span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   434  421       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   435  422     <span class="s">}</span>
 | 
| 
 | 
   436  423 
 | 
| 
 | 
   437  424     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^DREIDINGAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   438  425       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::DREIDINGAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   439  426       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   440  427     <span class="s">}</span>
 | 
| 
 | 
   441  428 
 | 
| 
 | 
   442  429     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^EStateAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   443  430       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::EStateAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   444  431       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   445  432     <span class="s">}</span>
 | 
| 
 | 
   446  433 
 | 
| 
 | 
   447  434     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^MMFF94AtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   448  435       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::MMFF94AtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   449  436       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   450  437     <span class="s">}</span>
 | 
| 
 | 
   451  438 
 | 
| 
 | 
   452  439     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^SLogPAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   453  440       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::SLogPAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   454  441       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   455  442     <span class="s">}</span>
 | 
| 
 | 
   456  443 
 | 
| 
 | 
   457  444     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^SYBYLAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   458  445       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::SYBYLAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   459  446       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   460  447     <span class="s">}</span>
 | 
| 
 | 
   461  448 
 | 
| 
 | 
   462  449     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^TPSAAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   463  450       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::TPSAAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnorePhosphorus'</span> <span class="cm">=></span> <span class="n">0</span><span class="cm">,</span> <span class="q">'IgnoreSulfur'</span> <span class="cm">=></span> <span class="n">0</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   464  451       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   465  452     <span class="s">}</span>
 | 
| 
 | 
   466  453 
 | 
| 
 | 
   467  454     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^UFFAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   468  455       <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::UFFAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   469  456       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   470  457     <span class="s">}</span>
 | 
| 
 | 
   471  458 
 | 
| 
 | 
   472  459     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_AssignInitialAtomIdentifiers: Couldn't assign intial atom identifiers: InitialAtomIdentifierType $This->{AtomIdentifierType} is not supported..."</span><span class="sc">;</span>
 | 
| 
 | 
   473  460   <span class="s">}</span>
 | 
| 
 | 
   474  461 
 | 
| 
 | 
   475  462   <span class="c"># Assign atom types...</span>
 | 
| 
 | 
   476  463   <span class="i">$SpecifiedAtomTypes</span><span class="i">->AssignAtomTypes</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   477  464 
 | 
| 
 | 
   478  465   <span class="c"># Make sure atom types assignment is successful...</span>
 | 
| 
 | 
   479  466   <span class="k">if</span> <span class="s">(</span>!<span class="i">$SpecifiedAtomTypes</span><span class="i">->IsAtomTypesAssignmentSuccessful</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   480  467     <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span>
 | 
| 
 | 
   481  468   <span class="s">}</span>
 | 
| 
 | 
   482  469 
 | 
| 
 | 
   483  470   <span class="c"># Assign atom identifiers at radius 0...</span>
 | 
| 
 | 
   484  471   <span class="i">$Radius</span> = <span class="n">0</span><span class="sc">;</span>
 | 
| 
 | 
   485  472   <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   486  473     <span class="i">$AtomID</span> = <span class="i">$Atom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   487  474 
 | 
| 
 | 
   488  475     <span class="i">$AtomType</span> = <span class="i">$SpecifiedAtomTypes</span><span class="i">->GetAtomType</span><span class="s">(</span><span class="i">$Atom</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   489  476     <span class="i">$InitialAtomTypeString</span> = <span class="i">$AtomType</span> ? <span class="i">$AtomType</span> <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span>
 | 
| 
 | 
   490  477 
 | 
| 
 | 
   491  478     <span class="i">$InitialAtomIdentifier</span> = <span class="i">TextUtil::HashCode</span><span class="s">(</span><span class="i">$InitialAtomTypeString</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   492  479     <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>} = <span class="i">$InitialAtomIdentifier</span><span class="sc">;</span>
 | 
| 
 | 
   493  480   <span class="s">}</span>
 | 
| 
 | 
   494  481 
 | 
| 
 | 
   495  482   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   496  483 <span class="s">}</span>
 | 
| 
 | 
   497  484 
 | 
| 
 | 
   498  485 <span class="c"># Initialize atom identifiers...</span>
 | 
| 
 | 
   499  486 <span class="c">#</span>
 | 
| 
 | 
   500 <a name="_InitializeAtomIdentifiers-"></a> 487 <span class="k">sub </span><span class="m">_InitializeAtomIdentifiers</span> <span class="s">{</span>
 | 
| 
 | 
   501  488   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   502  489   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$CurrentRadius</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   503  490 
 | 
| 
 | 
   504  491   <span class="i">$Radius</span> = <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="sc">;</span>
 | 
| 
 | 
   505  492 
 | 
| 
 | 
   506  493   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   507  494   <span class="k">for</span> <span class="i">$CurrentRadius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$Radius</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   508  495     <span class="c"># Atom idenfiers key and value correspond to AtomID and AtomIdentifier</span>
 | 
| 
 | 
   509  496     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   510  497 
 | 
| 
 | 
   511  498     <span class="c"># Unique and strcuturally unique idenfiers key and value correspond to AtomIdentifier and AtomID</span>
 | 
| 
 | 
   512  499     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   513  500     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   514  501 
 | 
| 
 | 
   515  502     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   516  503     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiersCount</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   517  504   <span class="s">}</span>
 | 
| 
 | 
   518  505 
 | 
| 
 | 
   519  506 <span class="s">}</span>
 | 
| 
 | 
   520  507 
 | 
| 
 | 
   521  508 <span class="c"># Collect atom neighborhoods upto specified neighborhood radius...</span>
 | 
| 
 | 
   522  509 <span class="c">#</span>
 | 
| 
 | 
   523 <a name="_GetAtomNeighborhoods-"></a> 510 <span class="k">sub </span><span class="m">_GetAtomNeighborhoods</span> <span class="s">{</span>
 | 
| 
 | 
   524  511   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   525  512   <span class="k">my</span><span class="s">(</span><span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$Radius</span><span class="cm">,</span> <span class="i">$CurrentRadius</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   526  513 
 | 
| 
 | 
   527  514   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   528  515 
 | 
| 
 | 
   529  516   <span class="i">$Radius</span> = <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="sc">;</span>
 | 
| 
 | 
   530  517   <span class="k">if</span> <span class="s">(</span><span class="i">$Radius</span> < <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   531  518     <span class="c"># At radius level 0, it's just the atoms...</span>
 | 
| 
 | 
   532  519     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
   533  520   <span class="s">}</span>
 | 
| 
 | 
   534  521 
 | 
| 
 | 
   535  522   <span class="c"># Initialize neighborhood at different radii...</span>
 | 
| 
 | 
   536  523   <span class="k">for</span> <span class="i">$CurrentRadius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$Radius</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   537  524     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   538  525   <span class="s">}</span>
 | 
| 
 | 
   539  526 
 | 
| 
 | 
   540  527   <span class="i">$Molecule</span> = <span class="i">$This</span><span class="i">->GetMolecule</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   541  528 
 | 
| 
 | 
   542  529   <span class="c"># Collect available atom neighborhoods at different at different neighborhood level for each atom...</span>
 | 
| 
 | 
   543  530   <span class="k">my</span><span class="s">(</span><span class="i">$AtomsNeighborhoodWithSuccessorAtomsRef</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   544  531 
 | 
| 
 | 
   545  532   <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   546  533     <span class="i">$AtomID</span> = <span class="i">$Atom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   547  534     <span class="i">$CurrentRadius</span> = <span class="n">0</span><span class="sc">;</span>
 | 
| 
 | 
   548  535     <span class="k">for</span> <span class="i">$AtomsNeighborhoodWithSuccessorAtomsRef</span> <span class="s">(</span><span class="i">$Molecule</span><span class="i">->GetAtomNeighborhoodsWithSuccessorAtomsAndRadiusUpto</span><span class="s">(</span><span class="i">$Atom</span><span class="cm">,</span> <span class="i">$Radius</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   549  536       <span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$CurrentRadius</span>}{<span class="i">$AtomID</span>} = <span class="i">$AtomsNeighborhoodWithSuccessorAtomsRef</span><span class="sc">;</span>
 | 
| 
 | 
   550  537       <span class="i">$CurrentRadius</span>++<span class="sc">;</span>
 | 
| 
 | 
   551  538     <span class="s">}</span>
 | 
| 
 | 
   552  539   <span class="s">}</span>
 | 
| 
 | 
   553  540   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   554  541 <span class="s">}</span>
 | 
| 
 | 
   555  542 
 | 
| 
 | 
   556  543 <span class="c"># Assign atom identifiers to central atom at each neighborhood radius level...</span>
 | 
| 
 | 
   557  544 <span class="c">#</span>
 | 
| 
 | 
   558 <a name="_AssignAtomIdentifiersToAtomNeighborhoods-"></a> 545 <span class="k">sub </span><span class="m">_AssignAtomIdentifiersToAtomNeighborhoods</span> <span class="s">{</span>
 | 
| 
 | 
   559  546   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   560  547   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$NextRadius</span><span class="cm">,</span> <span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$NeighborhoodAtom</span><span class="cm">,</span> <span class="i">$SuccessorAtom</span><span class="cm">,</span> <span class="i">$SuccessorAtomID</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomSuccessorAtomsRef</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span><span class="cm">,</span> <span class="i">$Bond</span><span class="cm">,</span> <span class="i">$BondOrder</span><span class="cm">,</span> <span class="i">$SuccessorAtomCount</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   561  548 
 | 
| 
 | 
   562  549   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>} < <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   563  550     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
   564  551   <span class="s">}</span>
 | 
| 
 | 
   565  552 
 | 
| 
 | 
   566  553   <span class="c"># Go over the atom neighborhoods at each radius upto specified radius and assign atom</span>
 | 
| 
 | 
   567  554   <span class="c"># indentifiers using their connected successor atoms and their identifiers.</span>
 | 
| 
 | 
   568  555   <span class="c">#</span>
 | 
| 
 | 
   569  556   <span class="c"># For a neighborhood atom at a specified radius, the successor connected atoms correpond</span>
 | 
| 
 | 
   570  557   <span class="c"># to next radius level and the last set of neighorhood atoms don't have any successor connected</span>
 | 
| 
 | 
   571  558   <span class="c"># atoms. Additionally, radius level 0 just correspond to initial atom identifiers.</span>
 | 
| 
 | 
   572  559   <span class="c">#</span>
 | 
| 
 | 
   573  560   <span class="c"># So in order to process atom neighborhood upto specified radius level, the last atom neighborhood</span>
 | 
| 
 | 
   574  561   <span class="c"># doesn't need to be processed: it gets processed at previous radius level as successor connected</span>
 | 
| 
 | 
   575  562   <span class="c"># atoms.</span>
 | 
| 
 | 
   576  563   <span class="c">#</span>
 | 
| 
 | 
   577  564   <span class="j">RADIUS:</span> <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="s">(</span><span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>} - <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   578  565     <span class="j">ATOM:</span> <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   579  566       <span class="i">$AtomID</span> = <span class="i">$Atom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   580  567 
 | 
| 
 | 
   581  568       <span class="c"># Are there any available atom neighborhoods at this radius?</span>
 | 
| 
 | 
   582  569       <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   583  570         <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span>
 | 
| 
 | 
   584  571       <span class="s">}</span>
 | 
| 
 | 
   585  572       <span class="i">$NextRadius</span> = <span class="i">$Radius</span> + <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   586  573 
 | 
| 
 | 
   587  574       <span class="c"># Go over neighborhood atoms and their successor connected atoms at this radius and collect</span>
 | 
| 
 | 
   588  575       <span class="c"># (BondOrder AtomIdentifier) values for bonded atom pairs. Additionally, keep track of atom and bonds</span>
 | 
| 
 | 
   589  576       <span class="c"># for the neighorhoods to remove identifieres generated from structurally duplicate features.</span>
 | 
| 
 | 
   590  577       <span class="c">#</span>
 | 
| 
 | 
   591  578       <span class="k">my</span><span class="s">(</span><span class="i">%BondOrdersAndAtomIdentifiers</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   592  579 
 | 
| 
 | 
   593  580       <span class="i">%BondOrdersAndAtomIdentifiers</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   594  581       <span class="i">$SuccessorAtomCount</span> = <span class="n">0</span><span class="sc">;</span>
 | 
| 
 | 
   595  582 
 | 
| 
 | 
   596  583       <span class="j">NEIGHBORHOODS:</span> <span class="k">for</span> <span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   597  584         <span class="s">(</span><span class="i">$NeighborhoodAtom</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomSuccessorAtomsRef</span><span class="s">)</span> = <span class="i">@</span>{<span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span>}<span class="sc">;</span>
 | 
| 
 | 
   598  585 
 | 
| 
 | 
   599  586         <span class="c"># Any connected successors for the NeighborhoodAtom?</span>
 | 
| 
 | 
   600  587         <span class="k">if</span> <span class="s">(</span>!<span class="i">@</span>{<span class="i">$NeighborhoodAtomSuccessorAtomsRef</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   601  588           <span class="k">next</span> <span class="j">NEIGHBORHOODS</span><span class="sc">;</span>
 | 
| 
 | 
   602  589         <span class="s">}</span>
 | 
| 
 | 
   603  590         <span class="j">SUCCESSORATOM:</span> <span class="k">for</span> <span class="i">$SuccessorAtom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$NeighborhoodAtomSuccessorAtomsRef</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   604  591           <span class="k">if</span> <span class="s">(</span><span class="i">$SuccessorAtom</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   605  592             <span class="c"># Skip successor hydrogen atom...</span>
 | 
| 
 | 
   606  593             <span class="k">next</span> <span class="j">SUCCESSORATOM</span><span class="sc">;</span>
 | 
| 
 | 
   607  594           <span class="s">}</span>
 | 
| 
 | 
   608  595           <span class="i">$SuccessorAtomID</span> = <span class="i">$SuccessorAtom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   609  596           <span class="i">$SuccessorAtomCount</span>++<span class="sc">;</span>
 | 
| 
 | 
   610  597 
 | 
| 
 | 
   611  598           <span class="i">$Bond</span> = <span class="i">$NeighborhoodAtom</span><span class="i">->GetBondToAtom</span><span class="s">(</span><span class="i">$SuccessorAtom</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   612  599           <span class="i">$BondOrder</span> = <span class="i">$Bond</span><span class="i">->IsAromatic</span><span class="s">(</span><span class="s">)</span> ? <span class="q">"1.5"</span> <span class="co">:</span> <span class="i">$Bond</span><span class="i">->GetBondOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   613  600 
 | 
| 
 | 
   614  601           <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$BondOrdersAndAtomIdentifiers</span>{<span class="i">$BondOrder</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   615  602             <span class="i">@</span>{<span class="i">$BondOrdersAndAtomIdentifiers</span>{<span class="i">$BondOrder</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   616  603           <span class="s">}</span>
 | 
| 
 | 
   617  604           <span class="k">push</span> <span class="i">@</span>{<span class="i">$BondOrdersAndAtomIdentifiers</span>{<span class="i">$BondOrder</span>}}<span class="cm">,</span> <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$SuccessorAtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   618  605         <span class="s">}</span>
 | 
| 
 | 
   619  606       <span class="s">}</span>
 | 
| 
 | 
   620  607       <span class="k">if</span> <span class="s">(</span>!<span class="i">$SuccessorAtomCount</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   621  608         <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span>
 | 
| 
 | 
   622  609       <span class="s">}</span>
 | 
| 
 | 
   623  610       <span class="c"># Assign a new atom identifier at the NextRadius level...</span>
 | 
| 
 | 
   624  611       <span class="i">$This</span><span class="i">->_AssignAtomIdentifierToAtomNeighborhood</span><span class="s">(</span><span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$Radius</span><span class="cm">,</span> \<span class="i">%BondOrdersAndAtomIdentifiers</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   625  612     <span class="s">}</span>
 | 
| 
 | 
   626  613  <span class="s">}</span>
 | 
| 
 | 
   627  614   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   628  615 <span class="s">}</span>
 | 
| 
 | 
   629  616 
 | 
| 
 | 
   630  617 <span class="c"># Generate and assign atom indentifier for AtomID using atom neighborhood at next radius level...</span>
 | 
| 
 | 
   631  618 <span class="c">#</span>
 | 
| 
 | 
   632 <a name="_AssignAtomIdentifierToAtomNeighborhood-"></a> 619 <span class="k">sub </span><span class="m">_AssignAtomIdentifierToAtomNeighborhood</span> <span class="s">{</span>
 | 
| 
 | 
   633  620   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$Radius</span><span class="cm">,</span> <span class="i">$BondOrdersAndAtomIdentifiersRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   634  621   <span class="k">my</span><span class="s">(</span><span class="i">$NextRadius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span>  <span class="i">$SuccessorAtomIdentifier</span><span class="cm">,</span> <span class="i">$BondOrder</span><span class="cm">,</span> <span class="i">$AtomIdentifierString</span><span class="cm">,</span> <span class="i">@AtomIndentifiersInfo</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   635  622 
 | 
| 
 | 
   636  623   <span class="i">$NextRadius</span> = <span class="i">$Radius</span> + <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   637  624 
 | 
| 
 | 
   638  625   <span class="i">@AtomIndentifiersInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   639  626 
 | 
| 
 | 
   640  627   <span class="i">$AtomIdentifier</span> = <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   641  628   <span class="k">push</span> <span class="i">@AtomIndentifiersInfo</span><span class="cm">,</span> <span class="s">(</span><span class="i">$NextRadius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   642  629 
 | 
| 
 | 
   643  630   <span class="c"># Sort out successor atom bond order and identifier pairs by bond order followed by atom identifiers</span>
 | 
| 
 | 
   644  631   <span class="c"># in order to make the final atom identifier graph invariant...</span>
 | 
| 
 | 
   645  632   <span class="c">#</span>
 | 
| 
 | 
   646  633   <span class="k">for</span> <span class="i">$BondOrder</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$BondOrdersAndAtomIdentifiersRef</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   647  634     <span class="k">for</span> <span class="i">$SuccessorAtomIdentifier</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="i">@</span>{<span class="i">$BondOrdersAndAtomIdentifiersRef</span>->{<span class="i">$BondOrder</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   648  635       <span class="k">push</span> <span class="i">@AtomIndentifiersInfo</span><span class="cm">,</span> <span class="s">(</span><span class="i">$BondOrder</span><span class="cm">,</span> <span class="i">$SuccessorAtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   649  636     <span class="s">}</span>
 | 
| 
 | 
   650  637   <span class="s">}</span>
 | 
| 
 | 
   651  638   <span class="i">$AtomIdentifierString</span> = <span class="k">join</span><span class="s">(</span><span class="q">""</span><span class="cm">,</span> <span class="i">@AtomIndentifiersInfo</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   652  639   <span class="i">$AtomIdentifier</span> = <span class="i">TextUtil::HashCode</span><span class="s">(</span><span class="i">$AtomIdentifierString</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   653  640 
 | 
| 
 | 
   654  641   <span class="c"># Assign atom identifier to the atom at next radius level...</span>
 | 
| 
 | 
   655  642   <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$NextRadius</span>}{<span class="i">$AtomID</span>} = <span class="i">$AtomIdentifier</span><span class="sc">;</span>
 | 
| 
 | 
   656  643 
 | 
| 
 | 
   657  644   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   658  645 <span class="s">}</span>
 | 
| 
 | 
   659  646 
 | 
| 
 | 
   660  647 <span class="c"># Remove duplicates atom identifiers...</span>
 | 
| 
 | 
   661  648 <span class="c">#</span>
 | 
| 
 | 
   662 <a name="_RemoveDuplicateAtomIdentifiers-"></a> 649 <span class="k">sub </span><span class="m">_RemoveDuplicateAtomIdentifiers</span> <span class="s">{</span>
 | 
| 
 | 
   663  650   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   664  651 
 | 
| 
 | 
   665  652   <span class="i">$This</span><span class="i">->_RemoveDuplicateIdentifiersByValue</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   666  653   <span class="i">$This</span><span class="i">->_RemoveStructurallyDuplicateIdenfiers</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   667  654 
 | 
| 
 | 
   668  655   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   669  656 <span class="s">}</span>
 | 
| 
 | 
   670  657 
 | 
| 
 | 
   671  658 <span class="c"># Remove duplicate identifiers at each radius level by just using their value...</span>
 | 
| 
 | 
   672  659 <span class="c">#</span>
 | 
| 
 | 
   673 <a name="_RemoveDuplicateIdentifiersByValue-"></a> 660 <span class="k">sub </span><span class="m">_RemoveDuplicateIdentifiersByValue</span> <span class="s">{</span>
 | 
| 
 | 
   674  661   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   675  662   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   676  663 
 | 
| 
 | 
   677  664   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   678  665     <span class="j">ATOM:</span> <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   679  666       <span class="i">$AtomID</span> = <span class="i">$Atom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   680  667       <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   681  668         <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span>
 | 
| 
 | 
   682  669       <span class="s">}</span>
 | 
| 
 | 
   683  670       <span class="i">$AtomIdentifier</span> = <span class="i">$This</span>->{<span class="w">AtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   684  671       <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   685  672         <span class="c"># It's a duplicate atom idenfier at this radius level...</span>
 | 
| 
 | 
   686  673         <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>} += <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   687  674         <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span>
 | 
| 
 | 
   688  675       <span class="s">}</span>
 | 
| 
 | 
   689  676       <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>} = <span class="i">$AtomID</span><span class="sc">;</span>
 | 
| 
 | 
   690  677       <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>} = <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   691  678     <span class="s">}</span>
 | 
| 
 | 
   692  679   <span class="s">}</span>
 | 
| 
 | 
   693  680   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   694  681 <span class="s">}</span>
 | 
| 
 | 
   695  682 
 | 
| 
 | 
   696  683 <span class="c"># Remove structurally duplicate identifiers at each radius level...</span>
 | 
| 
 | 
   697  684 <span class="c">#</span>
 | 
| 
 | 
   698  685 <span class="c"># Methodology:</span>
 | 
| 
 | 
   699  686 <span class="c">#   . For unquie atom identifiers at each radius level, assign complete structure features</span>
 | 
| 
 | 
   700  687 <span class="c">#     in terms all the bonds involved to generate that identifier</span>
 | 
| 
 | 
   701  688 <span class="c">#   . Use the complete structure features to remover atom identifiers which are</span>
 | 
| 
 | 
   702  689 <span class="c">#     structurally equivalent which can also be at earlier radii levels</span>
 | 
| 
 | 
   703  690 <span class="c">#</span>
 | 
| 
 | 
   704  691 <span class="c">#</span>
 | 
| 
 | 
   705 <a name="_RemoveStructurallyDuplicateIdenfiers-"></a> 692 <span class="k">sub </span><span class="m">_RemoveStructurallyDuplicateIdenfiers</span> <span class="s">{</span>
 | 
| 
 | 
   706  693   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   707  694   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">$SimilarAtomIdentifierRadius</span><span class="cm">,</span> <span class="i">$SimilarAtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   708  695 
 | 
| 
 | 
   709  696   <span class="c"># Setup structure features...</span>
 | 
| 
 | 
   710  697   <span class="i">$This</span><span class="i">->_SetupStructureFeaturesForAtomIDsInvolvedInUniqueIdentifiers</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   711  698 
 | 
| 
 | 
   712  699   <span class="c"># Identify structurally unqiue identifiers...</span>
 | 
| 
 | 
   713  700   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   714  701     <span class="j">ATOMIDENTIFIER:</span> <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   715  702       <span class="i">$AtomID</span> = <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   716  703 
 | 
| 
 | 
   717  704       <span class="s">(</span><span class="i">$SimilarAtomIdentifierRadius</span><span class="cm">,</span> <span class="i">$SimilarAtomIdentifier</span><span class="s">)</span> = <span class="i">$This</span><span class="i">->_FindStructurallySimilarAtomIdentifier</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   718  705       <span class="k">if</span> <span class="s">(</span><span class="i">$SimilarAtomIdentifier</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   719  706         <span class="c"># Current atom identifier is similar to an earlier structurally unique atom identifier...</span>
 | 
| 
 | 
   720  707         <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiersCount</span>}{<span class="i">$SimilarAtomIdentifierRadius</span>}{<span class="i">$SimilarAtomIdentifier</span>} += <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   721  708         <span class="k">next</span> <span class="j">ATOMIDENTIFIER</span><span class="sc">;</span>
 | 
| 
 | 
   722  709       <span class="s">}</span>
 | 
| 
 | 
   723  710       <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>} = <span class="i">$AtomID</span><span class="sc">;</span>
 | 
| 
 | 
   724  711 
 | 
| 
 | 
   725  712       <span class="c"># Set structurally unique atom identifier count to the unique atom identifiers count...</span>
 | 
| 
 | 
   726  713       <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>} = <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   727  714     <span class="s">}</span>
 | 
| 
 | 
   728  715   <span class="s">}</span>
 | 
| 
 | 
   729  716   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   730  717 <span class="s">}</span>
 | 
| 
 | 
   731  718 
 | 
| 
 | 
   732  719 <span class="c"># Set final fingerpritns vector...</span>
 | 
| 
 | 
   733  720 <span class="c">#</span>
 | 
| 
 | 
   734 <a name="_SetFinalFingerprints-"></a> 721 <span class="k">sub </span><span class="m">_SetFinalFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
   735  722   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   736  723 
 | 
| 
 | 
   737  724   <span class="c"># Mark successful generation of fingerprints...</span>
 | 
| 
 | 
   738  725   <span class="i">$This</span>->{<span class="w">FingerprintsGenerated</span>} = <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   739  726 
 | 
| 
 | 
   740  727   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivity$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   741  728     <span class="i">$This</span><span class="i">->_SetFinalExtendedConnectivityFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   742  729   <span class="s">}</span>
 | 
| 
 | 
   743  730   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivityCount$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   744  731     <span class="i">$This</span><span class="i">->_SetFinalExtendedConnectivityCountFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   745  732   <span class="s">}</span>
 | 
| 
 | 
   746  733   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivityBits$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   747  734     <span class="i">$This</span><span class="i">->_SetFinalExtendedConnectivityBitsFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   748  735   <span class="s">}</span>
 | 
| 
 | 
   749  736 
 | 
| 
 | 
   750  737   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   751  738 <span class="s">}</span>
 | 
| 
 | 
   752  739 
 | 
| 
 | 
   753  740 <span class="c"># Set final extended connectivity fingerpritns vector...</span>
 | 
| 
 | 
   754  741 <span class="c">#</span>
 | 
| 
 | 
   755 <a name="_SetFinalExtendedConnectivityFingerprints-"></a> 742 <span class="k">sub </span><span class="m">_SetFinalExtendedConnectivityFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
   756  743   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   757  744   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">@AtomIdentifiers</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   758  745 
 | 
| 
 | 
   759  746   <span class="i">@AtomIdentifiers</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   760  747 
 | 
| 
 | 
   761  748   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   762  749     <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   763  750       <span class="k">push</span> <span class="i">@AtomIdentifiers</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="sc">;</span>
 | 
| 
 | 
   764  751     <span class="s">}</span>
 | 
| 
 | 
   765  752   <span class="s">}</span>
 | 
| 
 | 
   766  753   <span class="c"># Add atom identifiers to fingerprint vector...</span>
 | 
| 
 | 
   767  754   <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValues</span><span class="s">(</span>\<span class="i">@AtomIdentifiers</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   768  755 
 | 
| 
 | 
   769  756   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   770  757 <span class="s">}</span>
 | 
| 
 | 
   771  758 
 | 
| 
 | 
   772  759 <span class="c"># Set final extended connectivity count fingerpritns vector...</span>
 | 
| 
 | 
   773  760 <span class="c">#</span>
 | 
| 
 | 
   774 <a name="_SetFinalExtendedConnectivityCountFingerprints-"></a> 761 <span class="k">sub </span><span class="m">_SetFinalExtendedConnectivityCountFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
   775  762   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   776  763   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">$AtomIdentifierCount</span><span class="cm">,</span> <span class="i">@AtomIdentifiers</span><span class="cm">,</span> <span class="i">@AtomIdentifiersCount</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   777  764 
 | 
| 
 | 
   778  765   <span class="i">@AtomIdentifiers</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> <span class="i">@AtomIdentifiersCount</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   779  766 
 | 
| 
 | 
   780  767   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   781  768     <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> <=> <span class="i">$b</span> <span class="s">}</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   782  769       <span class="i">$AtomIdentifierCount</span> = <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiersCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   783  770       <span class="k">push</span> <span class="i">@AtomIdentifiers</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="sc">;</span>
 | 
| 
 | 
   784  771       <span class="k">push</span> <span class="i">@AtomIdentifiersCount</span><span class="cm">,</span> <span class="i">$AtomIdentifierCount</span><span class="sc">;</span>
 | 
| 
 | 
   785  772     <span class="s">}</span>
 | 
| 
 | 
   786  773   <span class="s">}</span>
 | 
| 
 | 
   787  774   <span class="c"># Add atom identifiers to fingerprint vector as value IDs...</span>
 | 
| 
 | 
   788  775   <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValueIDs</span><span class="s">(</span>\<span class="i">@AtomIdentifiers</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   789  776 
 | 
| 
 | 
   790  777   <span class="c"># Add atom identifiers to count to fingerprint vector as values...</span>
 | 
| 
 | 
   791  778   <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValues</span><span class="s">(</span>\<span class="i">@AtomIdentifiersCount</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   792  779 
 | 
| 
 | 
   793  780   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   794  781 <span class="s">}</span>
 | 
| 
 | 
   795  782 
 | 
| 
 | 
   796  783 <span class="c"># Set final extended connectivity bits fingerpritns vector...</span>
 | 
| 
 | 
   797  784 <span class="c">#</span>
 | 
| 
 | 
   798 <a name="_SetFinalExtendedConnectivityBitsFingerprints-"></a> 785 <span class="k">sub </span><span class="m">_SetFinalExtendedConnectivityBitsFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
   799  786   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   800  787   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">$FingerprintsBitVector</span><span class="cm">,</span> <span class="i">$Size</span><span class="cm">,</span> <span class="i">$SkipBitPosCheck</span><span class="cm">,</span> <span class="i">$AtomIdentifierBitPos</span><span class="cm">,</span> <span class="i">$SetBitNum</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   801  788 
 | 
| 
 | 
   802  789   <span class="i">$FingerprintsBitVector</span> = <span class="i">$This</span>->{<span class="w">FingerprintsBitVector</span>}<span class="sc">;</span>
 | 
| 
 | 
   803  790 
 | 
| 
 | 
   804  791   <span class="i">$Size</span> = <span class="i">$This</span>->{<span class="w">Size</span>}<span class="sc">;</span>
 | 
| 
 | 
   805  792 
 | 
| 
 | 
   806  793   <span class="i">$SkipBitPosCheck</span> = <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   807  794 
 | 
| 
 | 
   808  795   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   809  796     <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   810  797       <span class="c"># Set random number seed...</span>
 | 
| 
 | 
   811  798       <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">UsePerlCoreRandom</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   812  799         <span class="i">CORE::</span><span class="k">srand</span><span class="s">(</span><span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   813  800       <span class="s">}</span>
 | 
| 
 | 
   814  801       <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
   815  802         <span class="i">MathUtil::srandom</span><span class="s">(</span><span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   816  803       <span class="s">}</span>
 | 
| 
 | 
   817  804 
 | 
| 
 | 
   818  805       <span class="c"># Set bit position...</span>
 | 
| 
 | 
   819  806       <span class="i">$AtomIdentifierBitPos</span> = <span class="i">$This</span>->{<span class="w">UsePerlCoreRandom</span>} ? <span class="k">int</span><span class="s">(</span><span class="i">CORE::</span><span class="k">rand</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="s">)</span> <span class="co">:</span> <span class="k">int</span><span class="s">(</span><span class="i">MathUtil::random</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   820  807       <span class="i">$FingerprintsBitVector</span><span class="i">->SetBit</span><span class="s">(</span><span class="i">$AtomIdentifierBitPos</span><span class="cm">,</span> <span class="i">$SkipBitPosCheck</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   821  808     <span class="s">}</span>
 | 
| 
 | 
   822  809   <span class="s">}</span>
 | 
| 
 | 
   823  810   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   824  811 <span class="s">}</span>
 | 
| 
 | 
   825  812 
 | 
| 
 | 
   826  813 
 | 
| 
 | 
   827  814 <span class="c"># Identify structurally unique identifiers by comparing structure features involved in</span>
 | 
| 
 | 
   828  815 <span class="c"># generating identifiear by comparing it agains all the previous structurally unique</span>
 | 
| 
 | 
   829  816 <span class="c"># identifiers...</span>
 | 
| 
 | 
   830  817 <span class="c">#</span>
 | 
| 
 | 
   831 <a name="_FindStructurallySimilarAtomIdentifier-"></a> 818 <span class="k">sub </span><span class="m">_FindStructurallySimilarAtomIdentifier</span> <span class="s">{</span>
 | 
| 
 | 
   832  819   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$SpecifiedRadius</span><span class="cm">,</span> <span class="i">$SpecifiedAtomID</span><span class="cm">,</span> <span class="i">$SpecifiedAtomIdentifier</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   833  820   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">$FeatureAtomCount</span><span class="cm">,</span> <span class="i">$FeatureAtomIDsRef</span><span class="cm">,</span>  <span class="i">$SpecifiedFeatureAtomID</span><span class="cm">,</span> <span class="i">$SpecifiedFeatureAtomCount</span><span class="cm">,</span> <span class="i">$SpecifiedFeatureAtomIDsRef</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   834  821 
 | 
| 
 | 
   835  822   <span class="k">if</span> <span class="s">(</span><span class="i">$SpecifiedRadius</span> == <span class="n">0</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   836  823     <span class="c"># After duplicate removal by value, all identifier at radius level 0 would be structurally unique...</span>
 | 
| 
 | 
   837  824     <span class="k">return</span> <span class="s">(</span><span class="k">undef</span><span class="cm">,</span> <span class="k">undef</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   838  825   <span class="s">}</span>
 | 
| 
 | 
   839  826 
 | 
| 
 | 
   840  827   <span class="i">$SpecifiedFeatureAtomCount</span> = <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}{<span class="i">$SpecifiedRadius</span>}{<span class="i">$SpecifiedAtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   841  828   <span class="i">$SpecifiedFeatureAtomIDsRef</span> = <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}{<span class="i">$SpecifiedRadius</span>}{<span class="i">$SpecifiedAtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   842  829 
 | 
| 
 | 
   843  830   <span class="c"># No need to compare features at radius 0...</span>
 | 
| 
 | 
   844  831   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">1</span> .. <span class="i">$SpecifiedRadius</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   845  832     <span class="j">ATOMIDENTIFIER:</span> <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   846  833       <span class="i">$AtomID</span> = <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   847  834 
 | 
| 
 | 
   848  835       <span class="i">$FeatureAtomCount</span> = <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   849  836       <span class="i">$FeatureAtomIDsRef</span> = <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   850  837 
 | 
| 
 | 
   851  838       <span class="k">if</span> <span class="s">(</span><span class="i">$SpecifiedFeatureAtomCount</span> != <span class="i">$FeatureAtomCount</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   852  839         <span class="c"># Couldn't be structurally equivalent...</span>
 | 
| 
 | 
   853  840         <span class="k">next</span> <span class="j">ATOMIDENTIFIER</span><span class="sc">;</span>
 | 
| 
 | 
   854  841       <span class="s">}</span>
 | 
| 
 | 
   855  842       <span class="k">for</span> <span class="i">$SpecifiedFeatureAtomID</span> <span class="s">(</span><span class="k">keys</span> <span class="i">%</span> {<span class="i">$SpecifiedFeatureAtomIDsRef</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   856  843         <span class="k">if</span> <span class="s">(</span>! <span class="k">exists</span> <span class="i">$FeatureAtomIDsRef</span>->{<span class="i">$SpecifiedFeatureAtomID</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   857  844           <span class="c"># For structural equivalency, all atom in specified feature must also be present in a previously</span>
 | 
| 
 | 
   858  845           <span class="c"># identified structurally unique structure feature...</span>
 | 
| 
 | 
   859  846           <span class="k">next</span> <span class="j">ATOMIDENTIFIER</span><span class="sc">;</span>
 | 
| 
 | 
   860  847         <span class="s">}</span>
 | 
| 
 | 
   861  848       <span class="s">}</span>
 | 
| 
 | 
   862  849       <span class="c"># Found structurally equivalent feature...</span>
 | 
| 
 | 
   863  850       <span class="k">return</span> <span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   864  851     <span class="s">}</span>
 | 
| 
 | 
   865  852   <span class="s">}</span>
 | 
| 
 | 
   866  853   <span class="k">return</span> <span class="s">(</span><span class="k">undef</span><span class="cm">,</span> <span class="k">undef</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   867  854 <span class="s">}</span>
 | 
| 
 | 
   868  855 
 | 
| 
 | 
   869  856 <span class="c"># Setup structure features for atom IDs involved in unique atom identifiers at all</span>
 | 
| 
 | 
   870  857 <span class="c"># radii level...</span>
 | 
| 
 | 
   871  858 <span class="c">#</span>
 | 
| 
 | 
   872 <a name="_SetupStructureFeaturesForAtomIDsInvolvedInUniqueIdentifiers-"></a> 859 <span class="k">sub </span><span class="m">_SetupStructureFeaturesForAtomIDsInvolvedInUniqueIdentifiers</span> <span class="s">{</span>
 | 
| 
 | 
   873  860   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   874  861   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$PreviousRadius</span><span class="cm">,</span> <span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$AtomIdentifier</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomID</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span><span class="cm">,</span> <span class="i">$NeighborhoodAtom</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomSuccessorAtomsRef</span><span class="cm">,</span> <span class="i">%AtomIDs</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   875  862 
 | 
| 
 | 
   876  863   <span class="i">$This</span><span class="i">->_InitializeStructureFeatures</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   877  864 
 | 
| 
 | 
   878  865   <span class="c"># Collect atom IDs involved in unique atom identifiers...</span>
 | 
| 
 | 
   879  866   <span class="i">%AtomIDs</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   880  867   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   881  868     <span class="k">for</span> <span class="i">$AtomIdentifier</span> <span class="s">(</span><span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   882  869       <span class="i">$AtomID</span> = <span class="i">$This</span>->{<span class="w">UniqueAtomIdentifiers</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomIdentifier</span>}<span class="sc">;</span>
 | 
| 
 | 
   883  870       <span class="i">$AtomIDs</span>{<span class="i">$AtomID</span>} = <span class="i">$AtomID</span><span class="sc">;</span>
 | 
| 
 | 
   884  871     <span class="s">}</span>
 | 
| 
 | 
   885  872   <span class="s">}</span>
 | 
| 
 | 
   886  873 
 | 
| 
 | 
   887  874   <span class="c"># Setup structure features...</span>
 | 
| 
 | 
   888  875   <span class="k">for</span> <span class="i">$Radius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   889  876     <span class="k">for</span> <span class="i">$AtomID</span> <span class="s">(</span><span class="k">keys</span> <span class="i">%AtomIDs</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   890  877       <span class="k">my</span><span class="s">(</span><span class="i">$StructureFeatureAtomCount</span><span class="cm">,</span> <span class="i">%StructureFeatureAtomIDs</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   891  878 
 | 
| 
 | 
   892  879       <span class="i">$StructureFeatureAtomCount</span> = <span class="n">0</span><span class="sc">;</span>
 | 
| 
 | 
   893  880       <span class="i">%StructureFeatureAtomIDs</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   894  881 
 | 
| 
 | 
   895  882       <span class="c"># Get partial structure features for the atom at previous radius level...</span>
 | 
| 
 | 
   896  883       <span class="i">$PreviousRadius</span> = <span class="i">$Radius</span> - <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   897  884       <span class="k">if</span> <span class="s">(</span><span class="i">$PreviousRadius</span> >= <span class="n">0</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   898  885         <span class="i">$StructureFeatureAtomCount</span> += <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}{<span class="i">$PreviousRadius</span>}{<span class="i">$AtomID</span>}<span class="sc">;</span>
 | 
| 
 | 
   899  886         <span class="i">%StructureFeatureAtomIDs</span> = <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}{<span class="i">$PreviousRadius</span>}{<span class="i">$AtomID</span>}}<span class="sc">;</span>
 | 
| 
 | 
   900  887       <span class="s">}</span>
 | 
| 
 | 
   901  888 
 | 
| 
 | 
   902  889       <span class="c"># Get all neighborhood atom at this radius level...</span>
 | 
| 
 | 
   903  890       <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$Radius</span>}<span class="s">)</span> && <span class="k">exists</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   904  891         <span class="j">NEIGHBORHOODS:</span> <span class="k">for</span> <span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomNeighborhoods</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>}}<span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   905  892           <span class="s">(</span><span class="i">$NeighborhoodAtom</span><span class="cm">,</span> <span class="i">$NeighborhoodAtomSuccessorAtomsRef</span><span class="s">)</span> = <span class="i">@</span>{<span class="i">$NeighborhoodAtomsWithSuccessorAtomsRef</span>}<span class="sc">;</span>
 | 
| 
 | 
   906  893           <span class="k">if</span> <span class="s">(</span><span class="i">$NeighborhoodAtom</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   907  894             <span class="k">next</span> <span class="j">NEIGHBORHOODS</span><span class="sc">;</span>
 | 
| 
 | 
   908  895           <span class="s">}</span>
 | 
| 
 | 
   909  896           <span class="i">$NeighborhoodAtomID</span> = <span class="i">$NeighborhoodAtom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   910  897           <span class="i">$StructureFeatureAtomCount</span>++<span class="sc">;</span>
 | 
| 
 | 
   911  898           <span class="i">$StructureFeatureAtomIDs</span>{<span class="i">$NeighborhoodAtomID</span>} = <span class="i">$NeighborhoodAtomID</span><span class="sc">;</span>
 | 
| 
 | 
   912  899         <span class="s">}</span>
 | 
| 
 | 
   913  900       <span class="s">}</span>
 | 
| 
 | 
   914  901 
 | 
| 
 | 
   915  902       <span class="c"># Assign structure features to atom at this radius level...</span>
 | 
| 
 | 
   916  903       <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>} = <span class="i">$StructureFeatureAtomCount</span><span class="sc">;</span>
 | 
| 
 | 
   917  904       <span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}{<span class="i">$Radius</span>}{<span class="i">$AtomID</span>} = \<span class="i">%StructureFeatureAtomIDs</span><span class="sc">;</span>
 | 
| 
 | 
   918  905     <span class="s">}</span>
 | 
| 
 | 
   919  906   <span class="s">}</span>
 | 
| 
 | 
   920  907   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   921  908 <span class="s">}</span>
 | 
| 
 | 
   922  909 
 | 
| 
 | 
   923  910 <span class="c"># Intialize structure features at each radius level...</span>
 | 
| 
 | 
   924  911 <span class="c">#</span>
 | 
| 
 | 
   925 <a name="_InitializeStructureFeatures-"></a> 912 <span class="k">sub </span><span class="m">_InitializeStructureFeatures</span> <span class="s">{</span>
 | 
| 
 | 
   926  913   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   927  914   <span class="k">my</span><span class="s">(</span><span class="i">$Radius</span><span class="cm">,</span> <span class="i">$CurrentRadius</span><span class="cm">,</span> <span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   928  915 
 | 
| 
 | 
   929  916   <span class="c"># Initialize all structure features...</span>
 | 
| 
 | 
   930  917 
 | 
| 
 | 
   931  918   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   932  919   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   933  920   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   934  921 
 | 
| 
 | 
   935  922   <span class="i">$Radius</span> = <span class="i">$This</span>->{<span class="w">NeighborhoodRadius</span>}<span class="sc">;</span>
 | 
| 
 | 
   936  923   <span class="k">for</span> <span class="i">$CurrentRadius</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$Radius</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   937  924     <span class="c"># Structure features for at specific radii accessed using atom IDs...</span>
 | 
| 
 | 
   938  925     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomCount</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   939  926     <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructureFeatures</span>}{<span class="w">AtomIDs</span>}{<span class="i">$CurrentRadius</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   940  927   <span class="s">}</span>
 | 
| 
 | 
   941  928   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   942  929 <span class="s">}</span>
 | 
| 
 | 
   943  930 
 | 
| 
 | 
   944  931 <span class="c"># Cache  appropriate molecule data...</span>
 | 
| 
 | 
   945  932 <span class="c">#</span>
 | 
| 
 | 
   946 <a name="_SetupMoleculeDataCache-"></a> 933 <span class="k">sub </span><span class="m">_SetupMoleculeDataCache</span> <span class="s">{</span>
 | 
| 
 | 
   947  934   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   948  935 
 | 
| 
 | 
   949  936   <span class="c"># Get all non-hydrogen atoms...</span>
 | 
| 
 | 
   950  937   <span class="k">my</span><span class="s">(</span><span class="i">$NegateAtomCheckMethod</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   951  938   <span class="i">$NegateAtomCheckMethod</span> = <span class="n">1</span><span class="sc">;</span>
 | 
| 
 | 
   952  939   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="i">$This</span><span class="i">->GetMolecule</span><span class="s">(</span><span class="s">)</span><span class="i">->GetAtoms</span><span class="s">(</span><span class="q">"IsHydrogen"</span><span class="cm">,</span> <span class="i">$NegateAtomCheckMethod</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   953  940 
 | 
| 
 | 
   954  941   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   955  942 <span class="s">}</span>
 | 
| 
 | 
   956  943 
 | 
| 
 | 
   957  944 <span class="c"># Clear cached molecule data...</span>
 | 
| 
 | 
   958  945 <span class="c">#</span>
 | 
| 
 | 
   959 <a name="_ClearMoleculeDataCache-"></a> 946 <span class="k">sub </span><span class="m">_ClearMoleculeDataCache</span> <span class="s">{</span>
 | 
| 
 | 
   960  947   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   961  948 
 | 
| 
 | 
   962  949   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   963  950 
 | 
| 
 | 
   964  951   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   965  952 <span class="s">}</span>
 | 
| 
 | 
   966  953 
 | 
| 
 | 
   967  954 <span class="c"># Initialize atom indentifier type information...</span>
 | 
| 
 | 
   968  955 <span class="c">#</span>
 | 
| 
 | 
   969  956 <span class="c"># Current supported values:</span>
 | 
| 
 | 
   970  957 <span class="c">#</span>
 | 
| 
 | 
   971  958 <span class="c"># AtomicInvariantsAtomTypes, FunctionalClassAtomTypes, DREIDINGAtomTypes, EStateAtomTypes,</span>
 | 
| 
 | 
   972  959 <span class="c"># MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes, UFFAtomTypes</span>
 | 
| 
 | 
   973  960 <span class="c">#</span>
 | 
| 
 | 
   974 <a name="_InitializeAtomIdentifierTypeInformation-"></a> 961 <span class="k">sub </span><span class="m">_InitializeAtomIdentifierTypeInformation</span> <span class="s">{</span>
 | 
| 
 | 
   975  962   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
   976  963 
 | 
| 
 | 
   977  964   <span class="j">IDENTIFIERTYPE:</span> <span class="s">{</span>
 | 
| 
 | 
   978  965     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   979  966       <span class="i">$This</span><span class="i">->_InitializeAtomicInvariantsAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   980  967       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   981  968     <span class="s">}</span>
 | 
| 
 | 
   982  969     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   983  970       <span class="i">$This</span><span class="i">->_InitializeFunctionalClassAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
   984  971       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   985  972     <span class="s">}</span>
 | 
| 
 | 
   986  973     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^(DREIDINGAtomTypes|EStateAtomTypes|MMFF94AtomTypes|SLogPAtomTypes|SYBYLAtomTypes|TPSAAtomTypes|UFFAtomTypes)$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
   987  974       <span class="c"># Nothing to do for now...</span>
 | 
| 
 | 
   988  975       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span>
 | 
| 
 | 
   989  976     <span class="s">}</span>
 | 
| 
 | 
   990  977     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->_InitializeAtomIdentifierTypeInformation: Unknown atom indentifier type $This->{AtomIdentifierType}..."</span><span class="sc">;</span>
 | 
| 
 | 
   991  978   <span class="s">}</span>
 | 
| 
 | 
   992  979   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
   993  980 <span class="s">}</span>
 | 
| 
 | 
   994  981 
 | 
| 
 | 
   995  982 <span class="c"># Initialize atomic invariants atom types, generated by AtomTypes::AtomicInvariantsAtomTypes</span>
 | 
| 
 | 
   996  983 <span class="c"># class, to use for generating initial atom identifiers...</span>
 | 
| 
 | 
   997  984 <span class="c">#</span>
 | 
| 
 | 
   998  985 <span class="c"># Let:</span>
 | 
| 
 | 
   999  986 <span class="c">#   AS = Atom symbol corresponding to element symbol</span>
 | 
| 
 | 
  1000  987 <span class="c">#</span>
 | 
| 
 | 
  1001  988 <span class="c">#   X<n>   = Number of non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1002  989 <span class="c">#   BO<n> = Sum of bond orders to non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1003  990 <span class="c">#   LBO<n> = Largest bond order of non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1004  991 <span class="c">#   SB<n> = Number of single bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1005  992 <span class="c">#   DB<n> = Number of double bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1006  993 <span class="c">#   TB<n> = Number of triple bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span>
 | 
| 
 | 
  1007  994 <span class="c">#   H<n>   = Number of implicit and explicit hydrogens for atom</span>
 | 
| 
 | 
  1008  995 <span class="c">#   Ar     = Aromatic annotation indicating whether atom is aromatic</span>
 | 
| 
 | 
  1009  996 <span class="c">#   RA     = Ring atom annotation indicating whether atom is a ring</span>
 | 
| 
 | 
  1010  997 <span class="c">#   FC<+n/-n> = Formal charge assigned to atom</span>
 | 
| 
 | 
  1011  998 <span class="c">#   MN<n> = Mass number indicating isotope other than most abundant isotope</span>
 | 
| 
 | 
  1012  999 <span class="c">#   SM<n> = Spin multiplicity of atom. Possible values: 1 (singlet), 2 (doublet) or 3 (triplet)</span>
 | 
| 
 | 
  1013 1000 <span class="c">#</span>
 | 
| 
 | 
  1014 1001 <span class="c"># Then:</span>
 | 
| 
 | 
  1015 1002 <span class="c">#</span>
 | 
| 
 | 
  1016 1003 <span class="c">#   Atom type generated by AtomTypes::AtomicInvariantsAtomTypes class corresponds to:</span>
 | 
| 
 | 
  1017 1004 <span class="c">#</span>
 | 
| 
 | 
  1018 1005 <span class="c">#     AS.X<n>.BO<n>.LBO<n>.<SB><n>.<DB><n>.<TB><n>.H<n>.Ar.RA.FC<+n/-n>.MN<n>.SM<n></span>
 | 
| 
 | 
  1019 1006 <span class="c">#</span>
 | 
| 
 | 
  1020 1007 <span class="c"># Except for AS which is a required atomic invariant in atom types, all other atomic invariants are</span>
 | 
| 
 | 
  1021 1008 <span class="c"># optional.</span>
 | 
| 
 | 
  1022 1009 <span class="c">#</span>
 | 
| 
 | 
  1023 1010 <span class="c"># Default atomic invariants used for generating inital atom identifiers are [ Ref 24 ]:</span>
 | 
| 
 | 
  1024 1011 <span class="c">#</span>
 | 
| 
 | 
  1025 1012 <span class="c">#   AS, X<n>, BO<n>, H<n>, FC<+n/-n>, MN<n></span>
 | 
| 
 | 
  1026 1013 <span class="c">#</span>
 | 
| 
 | 
  1027 1014 <span class="c"># In addition to usage of abbreviations for specifying atomic invariants, the following descriptive words</span>
 | 
| 
 | 
  1028 1015 <span class="c"># are also allowed:</span>
 | 
| 
 | 
  1029 1016 <span class="c">#</span>
 | 
| 
 | 
  1030 1017 <span class="c"># X : NumOfNonHydrogenAtomNeighbors or NumOfHeavyAtomNeighbors</span>
 | 
| 
 | 
  1031 1018 <span class="c"># BO : SumOfBondOrdersToNonHydrogenAtoms or SumOfBondOrdersToHeavyAtoms</span>
 | 
| 
 | 
  1032 1019 <span class="c"># LBO : LargestBondOrderToNonHydrogenAtoms or LargestBondOrderToHeavyAtoms</span>
 | 
| 
 | 
  1033 1020 <span class="c"># SB :  NumOfSingleBondsToNonHydrogenAtoms or NumOfSingleBondsToHeavyAtoms</span>
 | 
| 
 | 
  1034 1021 <span class="c"># DB : NumOfDoubleBondsToNonHydrogenAtoms or NumOfDoubleBondsToHeavyAtoms</span>
 | 
| 
 | 
  1035 1022 <span class="c"># TB : NumOfTripleBondsToNonHydrogenAtoms or NumOfTripleBondsToHeavyAtoms</span>
 | 
| 
 | 
  1036 1023 <span class="c"># H :  NumOfImplicitAndExplicitHydrogens</span>
 | 
| 
 | 
  1037 1024 <span class="c"># Ar : Aromatic</span>
 | 
| 
 | 
  1038 1025 <span class="c"># RA : RingAtom</span>
 | 
| 
 | 
  1039 1026 <span class="c"># FC : FormalCharge</span>
 | 
| 
 | 
  1040 1027 <span class="c"># MN : MassNumber</span>
 | 
| 
 | 
  1041 1028 <span class="c"># SM : SpinMultiplicity</span>
 | 
| 
 | 
  1042 1029 <span class="c">#</span>
 | 
| 
 | 
  1043 <a name="_InitializeAtomicInvariantsAtomTypesInformation-"></a>1030 <span class="k">sub </span><span class="m">_InitializeAtomicInvariantsAtomTypesInformation</span> <span class="s">{</span>
 | 
| 
 | 
  1044 1031   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
  1045 1032 
 | 
| 
 | 
  1046 1033   <span class="c"># Default atomic invariants to use for generating initial atom identifiers are: AS, X, BO, LBO, H, FC</span>
 | 
| 
 | 
  1047 1034   <span class="c">#</span>
 | 
| 
 | 
  1048 1035   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1049 1036   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="q">'AS'</span><span class="cm">,</span> <span class="q">'X'</span><span class="cm">,</span> <span class="q">'BO'</span><span class="cm">,</span> <span class="q">'H'</span><span class="cm">,</span> <span class="q">'FC'</span><span class="cm">,</span> <span class="q">'MN'</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1050 1037 
 | 
| 
 | 
  1051 1038   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
  1052 1039 <span class="s">}</span>
 | 
| 
 | 
  1053 1040 
 | 
| 
 | 
  1054 1041 <span class="c"># Initialize functional class atom types, generated by AtomTypes::FunctionalClassAtomTypes</span>
 | 
| 
 | 
  1055 1042 <span class="c"># class, to use for generating initial atom identifiers...</span>
 | 
| 
 | 
  1056 1043 <span class="c">#</span>
 | 
| 
 | 
  1057 1044 <span class="c"># Let:</span>
 | 
| 
 | 
  1058 1045 <span class="c">#   HBD: HydrogenBondDonor</span>
 | 
| 
 | 
  1059 1046 <span class="c">#   HBA: HydrogenBondAcceptor</span>
 | 
| 
 | 
  1060 1047 <span class="c">#   PI :  PositivelyIonizable</span>
 | 
| 
 | 
  1061 1048 <span class="c">#   NI : NegativelyIonizable</span>
 | 
| 
 | 
  1062 1049 <span class="c">#   Ar : Aromatic</span>
 | 
| 
 | 
  1063 1050 <span class="c">#   Hal : Halogen</span>
 | 
| 
 | 
  1064 1051 <span class="c">#   H : Hydrophobic</span>
 | 
| 
 | 
  1065 1052 <span class="c">#   RA : RingAtom</span>
 | 
| 
 | 
  1066 1053 <span class="c">#   CA : ChainAtom</span>
 | 
| 
 | 
  1067 1054 <span class="c">#</span>
 | 
| 
 | 
  1068 1055 <span class="c"># Then:</span>
 | 
| 
 | 
  1069 1056 <span class="c">#</span>
 | 
| 
 | 
  1070 1057 <span class="c">#   Functiononal class atom type specification for an atom corresponds to:</span>
 | 
| 
 | 
  1071 1058 <span class="c">#</span>
 | 
| 
 | 
  1072 1059 <span class="c">#     Ar.CA.H.HBA.HBD.Hal.NI.PI.RA</span>
 | 
| 
 | 
  1073 1060 <span class="c">#</span>
 | 
| 
 | 
  1074 1061 <span class="c">#   Default functional classes used are: HBD, HBA, PI, NI, Ar, Hal</span>
 | 
| 
 | 
  1075 1062 <span class="c">#</span>
 | 
| 
 | 
  1076 1063 <span class="c">#   FunctionalAtomTypes are assigned using the following definitions [ Ref 60-61, Ref 65-66 ]:</span>
 | 
| 
 | 
  1077 1064 <span class="c">#</span>
 | 
| 
 | 
  1078 1065 <span class="c">#     HydrogenBondDonor: NH, NH2, OH</span>
 | 
| 
 | 
  1079 1066 <span class="c">#     HydrogenBondAcceptor: N[!H], O</span>
 | 
| 
 | 
  1080 1067 <span class="c">#     PositivelyIonizable: +, NH2</span>
 | 
| 
 | 
  1081 1068 <span class="c">#     NegativelyIonizable: -, C(=O)OH, S(=O)OH, P(=O)OH</span>
 | 
| 
 | 
  1082 1069 <span class="c">#</span>
 | 
| 
 | 
  1083 <a name="_InitializeFunctionalClassAtomTypesInformation-"></a>1070 <span class="k">sub </span><span class="m">_InitializeFunctionalClassAtomTypesInformation</span> <span class="s">{</span>
 | 
| 
 | 
  1084 1071   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
  1085 1072 
 | 
| 
 | 
  1086 1073   <span class="c"># Default functional class atom typess to use for generating initial atom identifiers</span>
 | 
| 
 | 
  1087 1074   <span class="c"># are: HBD, HBA, PI, NI, Ar, Hal</span>
 | 
| 
 | 
  1088 1075   <span class="c">#</span>
 | 
| 
 | 
  1089 1076   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1090 1077   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="q">'HBD'</span><span class="cm">,</span> <span class="q">'HBA'</span><span class="cm">,</span> <span class="q">'PI'</span><span class="cm">,</span> <span class="q">'NI'</span><span class="cm">,</span> <span class="q">'Ar'</span><span class="cm">,</span> <span class="q">'Hal'</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1091 1078 
 | 
| 
 | 
  1092 1079   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
  1093 1080 <span class="s">}</span>
 | 
| 
 | 
  1094 1081 
 | 
| 
 | 
  1095 1082 <span class="c"># Set atomic invariants to use for generation of intial atom indentifiers...</span>
 | 
| 
 | 
  1096 1083 <span class="c">#</span>
 | 
| 
 | 
  1097 <a name="SetAtomicInvariantsToUse-"></a>1084 <span class="k">sub </span><span class="m">SetAtomicInvariantsToUse</span> <span class="s">{</span>
 | 
| 
 | 
  1098 1085   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
  1099 1086   <span class="k">my</span><span class="s">(</span><span class="i">$FirstValue</span><span class="cm">,</span> <span class="i">$TypeOfFirstValue</span><span class="cm">,</span> <span class="i">$AtomicInvariant</span><span class="cm">,</span> <span class="i">$SpecifiedAtomicInvariant</span><span class="cm">,</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@AtomicInvariantsToUse</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1100 1087 
 | 
| 
 | 
  1101 1088   <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1102 1089     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetAtomicInvariantsToUse: No values specified..."</span><span class="sc">;</span>
 | 
| 
 | 
  1103 1090     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
  1104 1091   <span class="s">}</span>
 | 
| 
 | 
  1105 1092 
 | 
| 
 | 
  1106 1093   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} !~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1107 1094     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalAtomTypesToUse: AtomicInvariantsToUse can't be set for InitialAtomIdentifierType of $This->{AtomIdentifierType}..."</span><span class="sc">;</span>
 | 
| 
 | 
  1108 1095     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
  1109 1096   <span class="s">}</span>
 | 
| 
 | 
  1110 1097 
 | 
| 
 | 
  1111 1098   <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span>
 | 
| 
 | 
  1112 1099   <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span>
 | 
| 
 | 
  1113 1100 
 | 
| 
 | 
  1114 1101   <span class="i">@SpecifiedAtomicInvariants</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1115 1102   <span class="i">@AtomicInvariantsToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1116 1103 
 | 
| 
 | 
  1117 1104   <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1118 1105     <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span>
 | 
| 
 | 
  1119 1106   <span class="s">}</span>
 | 
| 
 | 
  1120 1107   <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
  1121 1108     <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span>
 | 
| 
 | 
  1122 1109   <span class="s">}</span>
 | 
| 
 | 
  1123 1110 
 | 
| 
 | 
  1124 1111   <span class="c"># Make sure specified AtomicInvariants are valid...</span>
 | 
| 
 | 
  1125 1112   <span class="k">for</span> <span class="i">$SpecifiedAtomicInvariant</span> <span class="s">(</span><span class="i">@SpecifiedAtomicInvariants</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1126 1113     <span class="k">if</span> <span class="s">(</span>!<span class="i">AtomTypes::AtomicInvariantsAtomTypes::IsAtomicInvariantAvailable</span><span class="s">(</span><span class="i">$SpecifiedAtomicInvariant</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1127 1114       <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomicInvariantsToUse: Specified atomic invariant, $SpecifiedAtomicInvariant, is not supported...\n "</span><span class="sc">;</span>
 | 
| 
 | 
  1128 1115     <span class="s">}</span>
 | 
| 
 | 
  1129 1116     <span class="i">$AtomicInvariant</span> = <span class="i">$SpecifiedAtomicInvariant</span><span class="sc">;</span>
 | 
| 
 | 
  1130 1117     <span class="k">push</span> <span class="i">@AtomicInvariantsToUse</span><span class="cm">,</span> <span class="i">$AtomicInvariant</span><span class="sc">;</span>
 | 
| 
 | 
  1131 1118   <span class="s">}</span>
 | 
| 
 | 
  1132 1119 
 | 
| 
 | 
  1133 1120   <span class="c"># Set atomic invariants to use...</span>
 | 
| 
 | 
  1134 1121   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1135 1122   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}}<span class="cm">,</span> <span class="i">@AtomicInvariantsToUse</span><span class="sc">;</span>
 | 
| 
 | 
  1136 1123 
 | 
| 
 | 
  1137 1124   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
  1138 1125 <span class="s">}</span>
 | 
| 
 | 
  1139 1126 
 | 
| 
 | 
  1140 1127 <span class="c"># Set functional classes to use for generation of intial atom indentifiers...</span>
 | 
| 
 | 
  1141 1128 <span class="c">#</span>
 | 
| 
 | 
  1142 <a name="SetFunctionalClassesToUse-"></a>1129 <span class="k">sub </span><span class="m">SetFunctionalClassesToUse</span> <span class="s">{</span>
 | 
| 
 | 
  1143 1130   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
  1144 1131   <span class="k">my</span><span class="s">(</span><span class="i">$FirstValue</span><span class="cm">,</span> <span class="i">$TypeOfFirstValue</span><span class="cm">,</span> <span class="i">$FunctionalClass</span><span class="cm">,</span> <span class="i">$SpecifiedFunctionalClass</span><span class="cm">,</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@FunctionalClassesToUse</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1145 1132 
 | 
| 
 | 
  1146 1133   <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1147 1134     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: No values specified..."</span><span class="sc">;</span>
 | 
| 
 | 
  1148 1135     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
  1149 1136   <span class="s">}</span>
 | 
| 
 | 
  1150 1137 
 | 
| 
 | 
  1151 1138   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} !~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1152 1139     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: FunctionalClassesToUse can't be set for InitialAtomIdentifierType of $This->{AtomIdentifierType}..."</span><span class="sc">;</span>
 | 
| 
 | 
  1153 1140     <span class="k">return</span><span class="sc">;</span>
 | 
| 
 | 
  1154 1141   <span class="s">}</span>
 | 
| 
 | 
  1155 1142 
 | 
| 
 | 
  1156 1143   <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span>
 | 
| 
 | 
  1157 1144   <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span>
 | 
| 
 | 
  1158 1145 
 | 
| 
 | 
  1159 1146   <span class="i">@SpecifiedFunctionalClasses</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1160 1147   <span class="i">@FunctionalClassesToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1161 1148 
 | 
| 
 | 
  1162 1149   <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1163 1150     <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span>
 | 
| 
 | 
  1164 1151   <span class="s">}</span>
 | 
| 
 | 
  1165 1152   <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
  1166 1153     <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span>
 | 
| 
 | 
  1167 1154   <span class="s">}</span>
 | 
| 
 | 
  1168 1155 
 | 
| 
 | 
  1169 1156   <span class="c"># Make sure specified FunctionalClasses are valid...</span>
 | 
| 
 | 
  1170 1157   <span class="k">for</span> <span class="i">$SpecifiedFunctionalClass</span> <span class="s">(</span><span class="i">@SpecifiedFunctionalClasses</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1171 1158     <span class="k">if</span> <span class="s">(</span>!<span class="i">AtomTypes::FunctionalClassAtomTypes::IsFunctionalClassAvailable</span><span class="s">(</span><span class="i">$SpecifiedFunctionalClass</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1172 1159       <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetFunctionalClassesToUse: Specified functional class, $SpecifiedFunctionalClass, is not supported...\n "</span><span class="sc">;</span>
 | 
| 
 | 
  1173 1160     <span class="s">}</span>
 | 
| 
 | 
  1174 1161     <span class="k">push</span> <span class="i">@FunctionalClassesToUse</span><span class="cm">,</span> <span class="i">$SpecifiedFunctionalClass</span><span class="sc">;</span>
 | 
| 
 | 
  1175 1162   <span class="s">}</span>
 | 
| 
 | 
  1176 1163 
 | 
| 
 | 
  1177 1164   <span class="c"># Set functional classes to use...</span>
 | 
| 
 | 
  1178 1165   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1179 1166   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}}<span class="cm">,</span> <span class="i">@FunctionalClassesToUse</span><span class="sc">;</span>
 | 
| 
 | 
  1180 1167 
 | 
| 
 | 
  1181 1168   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
 | 
| 
 | 
  1182 1169 <span class="s">}</span>
 | 
| 
 | 
  1183 1170 
 | 
| 
 | 
  1184 1171 <span class="c"># Return a string containg data for ExtendedConnectivityFingerprints object...</span>
 | 
| 
 | 
  1185 <a name="StringifyExtendedConnectivityFingerprints-"></a>1172 <span class="k">sub </span><span class="m">StringifyExtendedConnectivityFingerprints</span> <span class="s">{</span>
 | 
| 
 | 
  1186 1173   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 | 
| 
 | 
  1187 1174   <span class="k">my</span><span class="s">(</span><span class="i">$ExtendedConnectivityFingerprintsString</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1188 1175 
 | 
| 
 | 
  1189 1176   <span class="i">$ExtendedConnectivityFingerprintsString</span> = <span class="q">"InitialAtomIdentifierType: $This->{AtomIdentifierType}; NeighborhoodRadius: $This->{NeighborhoodRadius}"</span><span class="sc">;</span>
 | 
| 
 | 
  1190 1177 
 | 
| 
 | 
  1191 1178   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1192 1179     <span class="k">my</span><span class="s">(</span><span class="i">$AtomicInvariant</span><span class="cm">,</span> <span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="i">@AtomicInvariantsOrder</span><span class="cm">,</span> <span class="i">%AvailableAtomicInvariants</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1193 1180 
 | 
| 
 | 
  1194 1181     <span class="i">@AtomicInvariantsOrder</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAtomicInvariantsOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1195 1182     <span class="i">%AvailableAtomicInvariants</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAvailableAtomicInvariants</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1196 1183 
 | 
| 
 | 
  1197 1184     <span class="k">for</span> <span class="i">$AtomicInvariant</span> <span class="s">(</span><span class="i">@AtomicInvariantsOrder</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1198 1185       <span class="k">push</span> <span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="q">"$AtomicInvariant: $AvailableAtomicInvariants{$AtomicInvariant}"</span><span class="sc">;</span>
 | 
| 
 | 
  1199 1186     <span class="s">}</span>
 | 
| 
 | 
  1200 1187 
 | 
| 
 | 
  1201 1188     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; AtomicInvariantsToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}}<span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1202 1189     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; AtomicInvariantsOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@AtomicInvariantsOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1203 1190     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; AvailableAtomicInvariants: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1204 1191   <span class="s">}</span>
 | 
| 
 | 
  1205 1192   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1206 1193     <span class="k">my</span><span class="s">(</span><span class="i">$FunctionalClass</span><span class="cm">,</span> <span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="i">%AvailableFunctionalClasses</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1207 1194 
 | 
| 
 | 
  1208 1195     <span class="i">@FunctionalClassesOrder</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetFunctionalClassesOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1209 1196     <span class="i">%AvailableFunctionalClasses</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetAvailableFunctionalClasses</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1210 1197 
 | 
| 
 | 
  1211 1198     <span class="k">for</span> <span class="i">$FunctionalClass</span> <span class="s">(</span><span class="i">@FunctionalClassesOrder</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1212 1199       <span class="k">push</span> <span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="q">"$FunctionalClass: $AvailableFunctionalClasses{$FunctionalClass}"</span><span class="sc">;</span>
 | 
| 
 | 
  1213 1200     <span class="s">}</span>
 | 
| 
 | 
  1214 1201 
 | 
| 
 | 
  1215 1202     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; FunctionalClassesToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}}<span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1216 1203     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; FunctionalClassesOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1217 1204     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; AvailableFunctionalClasses: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span>
 | 
| 
 | 
  1218 1205   <span class="s">}</span>
 | 
| 
 | 
  1219 1206 
 | 
| 
 | 
  1220 1207   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Type</span>} =~ <span class="q">/^ExtendedConnectivityBits$/i</span><span class="s">)</span> <span class="s">{</span>
 | 
| 
 | 
  1221 1208     <span class="c"># Size...</span>
 | 
| 
 | 
  1222 1209     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; Size: $This->{Size}; MinSize: $This->{MinSize}; MaxSize: $This->{MaxSize}"</span><span class="sc">;</span>
 | 
| 
 | 
  1223 1210 
 | 
| 
 | 
  1224 1211     <span class="c"># Fingerprint bit density and num of bits set...</span>
 | 
| 
 | 
  1225 1212     <span class="k">my</span><span class="s">(</span><span class="i">$NumOfSetBits</span><span class="cm">,</span> <span class="i">$BitDensity</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1226 1213     <span class="i">$NumOfSetBits</span> = <span class="i">$This</span>->{<span class="w">FingerprintsBitVector</span>}<span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1227 1214     <span class="i">$BitDensity</span> = <span class="i">$This</span>->{<span class="w">FingerprintsBitVector</span>}<span class="i">->GetFingerprintsBitDensity</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1228 1215     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; NumOfOnBits: $NumOfSetBits; BitDensity: $BitDensity"</span><span class="sc">;</span>
 | 
| 
 | 
  1229 1216 
 | 
| 
 | 
  1230 1217     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; FingerprintsBitVector: < $This->{FingerprintsBitVector} >"</span><span class="sc">;</span>
 | 
| 
 | 
  1231 1218   <span class="s">}</span>
 | 
| 
 | 
  1232 1219   <span class="k">else</span> <span class="s">{</span>
 | 
| 
 | 
  1233 1220     <span class="c"># Number of identifiers...</span>
 | 
| 
 | 
  1234 1221     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; NumOfIdentifiers: "</span> . <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->GetNumOfValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 | 
| 
 | 
  1235 1222 
 | 
| 
 | 
  1236 1223     <span class="c"># FingerprintsVector...</span>
 | 
| 
 | 
  1237 1224     <span class="i">$ExtendedConnectivityFingerprintsString</span> .= <span class="q">"; FingerprintsVector: < $This->{FingerprintsVector} >"</span><span class="sc">;</span>
 | 
| 
 | 
  1238 1225   <span class="s">}</span>
 | 
| 
 | 
  1239 1226 
 | 
| 
 | 
  1240 1227   <span class="k">return</span> <span class="i">$ExtendedConnectivityFingerprintsString</span><span class="sc">;</span>
 | 
| 
 | 
  1241 1228 <span class="s">}</span>
 | 
| 
 | 
  1242 1229 
 | 
| 
 | 
  1243 <a name="EOF-"></a></pre>
 | 
| 
 | 
  1244 <p> </p>
 | 
| 
 | 
  1245 <br />
 | 
| 
 | 
  1246 <center>
 | 
| 
 | 
  1247 <img src="../../../images/h2o2.png">
 | 
| 
 | 
  1248 </center>
 | 
| 
 | 
  1249 </body>
 | 
| 
 | 
  1250 </html>
 |