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|  | 13 <pre> | 
|  | 14 <a name="package-Fingerprints::TopologicalAtomTorsionsFingerprints-"></a>   1 <span class="k">package </span><span class="i">Fingerprints::TopologicalAtomTorsionsFingerprints</span><span class="sc">;</span> | 
|  | 15    2 <span class="c">#</span> | 
|  | 16    3 <span class="c"># $RCSfile: TopologicalAtomTorsionsFingerprints.pm,v $</span> | 
|  | 17    4 <span class="c"># $Date: 2015/02/28 20:48:54 $</span> | 
|  | 18    5 <span class="c"># $Revision: 1.26 $</span> | 
|  | 19    6 <span class="c">#</span> | 
|  | 20    7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> | 
|  | 21    8 <span class="c">#</span> | 
|  | 22    9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> | 
|  | 23   10 <span class="c">#</span> | 
|  | 24   11 <span class="c"># This file is part of MayaChemTools.</span> | 
|  | 25   12 <span class="c">#</span> | 
|  | 26   13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> | 
|  | 27   14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> | 
|  | 28   15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> | 
|  | 29   16 <span class="c"># later version.</span> | 
|  | 30   17 <span class="c">#</span> | 
|  | 31   18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> | 
|  | 32   19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> | 
|  | 33   20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span> | 
|  | 34   21 <span class="c"># details.</span> | 
|  | 35   22 <span class="c">#</span> | 
|  | 36   23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> | 
|  | 37   24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> | 
|  | 38   25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> | 
|  | 39   26 <span class="c"># Boston, MA, 02111-1307, USA.</span> | 
|  | 40   27 <span class="c">#</span> | 
|  | 41   28 | 
|  | 42   29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> | 
|  | 43   30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span> | 
|  | 44   31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> | 
|  | 45   32 <span class="k">use</span> <span class="w">Fingerprints::Fingerprints</span><span class="sc">;</span> | 
|  | 46   33 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 47   34 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span> | 
|  | 48   35 <span class="k">use</span> <span class="w">AtomTypes::AtomicInvariantsAtomTypes</span><span class="sc">;</span> | 
|  | 49   36 <span class="k">use</span> <span class="w">AtomTypes::DREIDINGAtomTypes</span><span class="sc">;</span> | 
|  | 50   37 <span class="k">use</span> <span class="w">AtomTypes::EStateAtomTypes</span><span class="sc">;</span> | 
|  | 51   38 <span class="k">use</span> <span class="w">AtomTypes::FunctionalClassAtomTypes</span><span class="sc">;</span> | 
|  | 52   39 <span class="k">use</span> <span class="w">AtomTypes::MMFF94AtomTypes</span><span class="sc">;</span> | 
|  | 53   40 <span class="k">use</span> <span class="w">AtomTypes::SLogPAtomTypes</span><span class="sc">;</span> | 
|  | 54   41 <span class="k">use</span> <span class="w">AtomTypes::SYBYLAtomTypes</span><span class="sc">;</span> | 
|  | 55   42 <span class="k">use</span> <span class="w">AtomTypes::TPSAAtomTypes</span><span class="sc">;</span> | 
|  | 56   43 <span class="k">use</span> <span class="w">AtomTypes::UFFAtomTypes</span><span class="sc">;</span> | 
|  | 57   44 | 
|  | 58   45 <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> | 
|  | 59   46 | 
|  | 60   47 <span class="i">@ISA</span> = <span class="q">qw(Fingerprints::Fingerprints Exporter)</span><span class="sc">;</span> | 
|  | 61   48 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> | 
|  | 62   49 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span> | 
|  | 63   50 | 
|  | 64   51 <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> | 
|  | 65   52 | 
|  | 66   53 <span class="c"># Setup class variables...</span> | 
|  | 67   54 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span> | 
|  | 68   55 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 69   56 | 
|  | 70   57 <span class="c"># Overload Perl functions...</span> | 
|  | 71   58 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyTopologicalAtomTorsionsFingerprints'</span><span class="sc">;</span> | 
|  | 72   59 | 
|  | 73   60 <span class="c"># Class constructor...</span> | 
|  | 74 <a name="new-"></a>  61 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | 
|  | 75   62   <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 76   63 | 
|  | 77   64   <span class="c"># Initialize object...</span> | 
|  | 78   65   <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 79   66   <span class="k">bless</span> <span class="i">$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> | 
|  | 80   67   <span class="i">$This</span><span class="i">->_InitializeTopologicalAtomTorsionsFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 81   68 | 
|  | 82   69   <span class="i">$This</span><span class="i">->_InitializeTopologicalAtomTorsionsFingerprintsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> | 
|  | 83   70 | 
|  | 84   71   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 85   72 <span class="s">}</span> | 
|  | 86   73 | 
|  | 87   74 <span class="c"># Initialize object data...</span> | 
|  | 88   75 <span class="c">#</span> | 
|  | 89 <a name="_InitializeTopologicalAtomTorsionsFingerprints-"></a>  76 <span class="k">sub </span><span class="m">_InitializeTopologicalAtomTorsionsFingerprints</span> <span class="s">{</span> | 
|  | 90   77   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 91   78 | 
|  | 92   79   <span class="c"># Type of fingerprint...</span> | 
|  | 93   80   <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'TopologicalAtomTorsions'</span><span class="sc">;</span> | 
|  | 94   81 | 
|  | 95   82   <span class="c"># Type of vector...</span> | 
|  | 96   83   <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="q">'FingerprintsVector'</span><span class="sc">;</span> | 
|  | 97   84 | 
|  | 98   85   <span class="c"># Type of FingerprintsVector...</span> | 
|  | 99   86   <span class="i">$This</span>->{<span class="w">FingerprintsVectorType</span>} = <span class="q">'NumericalValues'</span><span class="sc">;</span> | 
|  | 100   87 | 
|  | 101   88   <span class="c"># Atom identifier type to use for atom IDs in atom torsions...</span> | 
|  | 102   89   <span class="c">#</span> | 
|  | 103   90   <span class="c"># Currently supported values are: AtomicInvariantsAtomTypes, DREIDINGAtomTypes,</span> | 
|  | 104   91   <span class="c"># EStateAtomTypes, FunctionalClassAtomTypes, MMFF94AtomTypes, SLogPAtomTypes,</span> | 
|  | 105   92   <span class="c"># SYBYLAtomTypes, TPSAAtomTypes, UFFAtomTypes</span> | 
|  | 106   93   <span class="c">#</span> | 
|  | 107   94   <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="q">''</span><span class="sc">;</span> | 
|  | 108   95 | 
|  | 109   96   <span class="c"># Atom types assigned to each heavy atom...</span> | 
|  | 110   97   <span class="c">#</span> | 
|  | 111   98   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 112   99 | 
|  | 113  100   <span class="c"># Final unique atom torsions...</span> | 
|  | 114  101   <span class="c">#</span> | 
|  | 115  102   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 116  103   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 117  104 <span class="s">}</span> | 
|  | 118  105 | 
|  | 119  106 <span class="c"># Initialize class ...</span> | 
|  | 120 <a name="_InitializeClass-"></a> 107 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | 
|  | 121  108   <span class="c">#Class name...</span> | 
|  | 122  109   <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | 
|  | 123  110 <span class="s">}</span> | 
|  | 124  111 | 
|  | 125  112 <span class="c"># Initialize object properties....</span> | 
|  | 126 <a name="_InitializeTopologicalAtomTorsionsFingerprintsProperties-"></a> 113 <span class="k">sub </span><span class="m">_InitializeTopologicalAtomTorsionsFingerprintsProperties</span> <span class="s">{</span> | 
|  | 127  114   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 128  115 | 
|  | 129  116   <span class="k">my</span><span class="s">(</span><span class="i">$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> | 
|  | 130  117   <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> | 
|  | 131  118     <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> | 
|  | 132  119     <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | 
|  | 133  120   <span class="s">}</span> | 
|  | 134  121 | 
|  | 135  122   <span class="c"># Make sure molecule object was specified...</span> | 
|  | 136  123   <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Molecule</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 137  124     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying molecule..."</span><span class="sc">;</span> | 
|  | 138  125   <span class="s">}</span> | 
|  | 139  126   <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 140  127     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying AtomIdentifierType..."</span><span class="sc">;</span> | 
|  | 141  128   <span class="s">}</span> | 
|  | 142  129 | 
|  | 143  130   <span class="i">$This</span><span class="i">->_InitializeFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 144  131 | 
|  | 145  132   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 146  133 <span class="s">}</span> | 
|  | 147  134 | 
|  | 148  135 <span class="c"># Set atom identifier type..</span> | 
|  | 149  136 <span class="c">#</span> | 
|  | 150 <a name="SetAtomIdentifierType-"></a> 137 <span class="k">sub </span><span class="m">SetAtomIdentifierType</span> <span class="s">{</span> | 
|  | 151  138   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$IdentifierType</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 152  139 | 
|  | 153  140   <span class="k">if</span> <span class="s">(</span><span class="i">$IdentifierType</span> !~ <span class="q">/^(AtomicInvariantsAtomTypes|DREIDINGAtomTypes|EStateAtomTypes|FunctionalClassAtomTypes|MMFF94AtomTypes|SLogPAtomTypes|SYBYLAtomTypes|TPSAAtomTypes|UFFAtomTypes)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 154  141     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomIdentifierType: Specified value, $IdentifierType, for AtomIdentifierType is not vaild. Supported types in current release of MayaChemTools: AtomicInvariantsAtomTypes, DREIDINGAtomTypes, EStateAtomTypes, FunctionalClassAtomTypes, MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes, and UFFAtomTypes."</span><span class="sc">;</span> | 
|  | 155  142   <span class="s">}</span> | 
|  | 156  143 | 
|  | 157  144   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 158  145     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SeAtomIdentifierType: Can't change intial atom identifier type:  It's already set..."</span><span class="sc">;</span> | 
|  | 159  146   <span class="s">}</span> | 
|  | 160  147 | 
|  | 161  148   <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="i">$IdentifierType</span><span class="sc">;</span> | 
|  | 162  149 | 
|  | 163  150   <span class="c"># Initialize atom identifier type information...</span> | 
|  | 164  151   <span class="i">$This</span><span class="i">->_InitializeAtomIdentifierTypeInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 165  152 | 
|  | 166  153   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 167  154 <span class="s">}</span> | 
|  | 168  155 | 
|  | 169  156 <span class="c"># Generate fingerprints description...</span> | 
|  | 170  157 <span class="c">#</span> | 
|  | 171 <a name="GetDescription-"></a> 158 <span class="k">sub </span><span class="m">GetDescription</span> <span class="s">{</span> | 
|  | 172  159   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 173  160 | 
|  | 174  161   <span class="c"># Is description explicity set?</span> | 
|  | 175  162   <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 176  163     <span class="k">return</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="sc">;</span> | 
|  | 177  164   <span class="s">}</span> | 
|  | 178  165 | 
|  | 179  166   <span class="c"># Generate fingerprints description...</span> | 
|  | 180  167 | 
|  | 181  168   <span class="k">return</span> <span class="q">"$This->{Type}:$This->{AtomIdentifierType}"</span><span class="sc">;</span> | 
|  | 182  169 <span class="s">}</span> | 
|  | 183  170 | 
|  | 184  171 <span class="c"># Generate topological atom torsions [ Ref 58, Ref 72 ] fingerprints...</span> | 
|  | 185  172 <span class="c">#</span> | 
|  | 186  173 <span class="c"># Methodology:</span> | 
|  | 187  174 <span class="c">#   . Assign atom types to all the atoms.</span> | 
|  | 188  175 <span class="c">#   . Generate and count atom torsions.</span> | 
|  | 189  176 <span class="c">#</span> | 
|  | 190  177 <span class="c"># Notes:</span> | 
|  | 191  178 <span class="c">#   . Hydrogen atoms are ignored during the fingerprint generation.</span> | 
|  | 192  179 <span class="c">#</span> | 
|  | 193 <a name="GenerateFingerprints-"></a> 180 <span class="k">sub </span><span class="m">GenerateFingerprints</span> <span class="s">{</span> | 
|  | 194  181   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 195  182 | 
|  | 196  183   <span class="c"># Cache appropriate molecule data...</span> | 
|  | 197  184   <span class="i">$This</span><span class="i">->_SetupMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 198  185 | 
|  | 199  186   <span class="c"># Assign atom types to all heavy atoms...</span> | 
|  | 200  187   <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_AssignAtomTypes</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 201  188     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateFingerprints: $This->{AtomIdentifierType} fingerprints generation didn't succeed: Couldn't assign valid $This->{AtomIdentifierType} to all atoms..."</span><span class="sc">;</span> | 
|  | 202  189     <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 203  190   <span class="s">}</span> | 
|  | 204  191 | 
|  | 205  192   <span class="c"># Count atom torsions...</span> | 
|  | 206  193   <span class="i">$This</span><span class="i">->_GenerateAndCountAtomTorsions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 207  194 | 
|  | 208  195   <span class="c"># Set final fingerprints...</span> | 
|  | 209  196   <span class="i">$This</span><span class="i">->_SetFinalFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 210  197 | 
|  | 211  198   <span class="c"># Clear cached molecule data...</span> | 
|  | 212  199   <span class="i">$This</span><span class="i">->_ClearMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 213  200 | 
|  | 214  201   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 215  202 <span class="s">}</span> | 
|  | 216  203 | 
|  | 217  204 <span class="c"># Assign appropriate atom types to all heavy atoms...</span> | 
|  | 218  205 <span class="c">#</span> | 
|  | 219 <a name="_AssignAtomTypes-"></a> 206 <span class="k">sub </span><span class="m">_AssignAtomTypes</span> <span class="s">{</span> | 
|  | 220  207   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 221  208   <span class="k">my</span><span class="s">(</span><span class="i">$SpecifiedAtomTypes</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">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | 
|  | 222  209 | 
|  | 223  210   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 224  211   <span class="i">$IgnoreHydrogens</span> = <span class="n">1</span><span class="sc">;</span> | 
|  | 225  212 | 
|  | 226  213   <span class="i">$SpecifiedAtomTypes</span> = <span class="k">undef</span><span class="sc">;</span> | 
|  | 227  214 | 
|  | 228  215   <span class="j">IDENTIFIERTYPE:</span> <span class="s">{</span> | 
|  | 229  216     <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> | 
|  | 230  217       <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> | 
|  | 231  218       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 232  219     <span class="s">}</span> | 
|  | 233  220 | 
|  | 234  221     <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> | 
|  | 235  222       <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">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | 
|  | 236  223       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 237  224     <span class="s">}</span> | 
|  | 238  225 | 
|  | 239  226     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^EStateAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 240  227       <span class="i">$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> | 
|  | 241  228       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 242  229     <span class="s">}</span> | 
|  | 243  230 | 
|  | 244  231     <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> | 
|  | 245  232       <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> | 
|  | 246  233       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 247  234     <span class="s">}</span> | 
|  | 248  235 | 
|  | 249  236     <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> | 
|  | 250  237       <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">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | 
|  | 251  238       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 252  239     <span class="s">}</span> | 
|  | 253  240 | 
|  | 254  241     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^SLogPAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 255  242       <span class="i">$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> | 
|  | 256  243       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 257  244     <span class="s">}</span> | 
|  | 258  245     <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> | 
|  | 259  246       <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">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | 
|  | 260  247       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 261  248     <span class="s">}</span> | 
|  | 262  249 | 
|  | 263  250     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^TPSAAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 264  251       <span class="i">$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">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnorePhosphorus'</span> <span class="cm">=></span> <span class="n">0</span><span class="cm">,</span> <span class="q">'IgnoreSulfur'</span> <span class="cm">=></span> <span class="n">0</span><span class="s">)</span><span class="sc">;</span> | 
|  | 265  252       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 266  253     <span class="s">}</span> | 
|  | 267  254 | 
|  | 268  255     <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^UFFAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 269  256       <span class="i">$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> | 
|  | 270  257       <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | 
|  | 271  258     <span class="s">}</span> | 
|  | 272  259 | 
|  | 273  260     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_AssignAtomTypes: Unknown atom indentifier type $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | 
|  | 274  261   <span class="s">}</span> | 
|  | 275  262 | 
|  | 276  263   <span class="c"># Assign atom types...</span> | 
|  | 277  264   <span class="i">$SpecifiedAtomTypes</span><span class="i">->AssignAtomTypes</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 278  265 | 
|  | 279  266   <span class="c"># Make sure atom types assignment is successful...</span> | 
|  | 280  267   <span class="k">if</span> <span class="s">(</span>!<span class="i">$SpecifiedAtomTypes</span><span class="i">->IsAtomTypesAssignmentSuccessful</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 281  268     <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | 
|  | 282  269   <span class="s">}</span> | 
|  | 283  270 | 
|  | 284  271   <span class="c"># Collect assigned atom types...</span> | 
|  | 285  272   <span class="j">ATOM:</span> <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span> | 
|  | 286  273     <span class="k">if</span> <span class="s">(</span><span class="i">$Atom</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 287  274       <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span> | 
|  | 288  275     <span class="s">}</span> | 
|  | 289  276     <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> | 
|  | 290  277     <span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}{<span class="i">$AtomID</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> | 
|  | 291  278   <span class="s">}</span> | 
|  | 292  279 | 
|  | 293  280   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 294  281 <span class="s">}</span> | 
|  | 295  282 | 
|  | 296  283 <span class="c"># Count atom torsions involving non-hydrogen atoms by going over the structurally</span> | 
|  | 297  284 <span class="c"># unique atom torsions...</span> | 
|  | 298  285 <span class="c">#</span> | 
|  | 299 <a name="_GenerateAndCountAtomTorsions-"></a> 286 <span class="k">sub </span><span class="m">_GenerateAndCountAtomTorsions</span> <span class="s">{</span> | 
|  | 300  287   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 301  288   <span class="k">my</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom3</span><span class="cm">,</span> <span class="i">$Atom4</span><span class="cm">,</span> <span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="cm">,</span> <span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">@Atom1Neighbors</span><span class="cm">,</span> <span class="i">@Atom2Neighbors</span><span class="cm">,</span> <span class="i">@Atom3Neighbors</span><span class="s">)</span><span class="sc">;</span> | 
|  | 302  289 | 
|  | 303  290   <span class="c"># Setup a hash to track structurally unique atom torsions by atom IDs...</span> | 
|  | 304  291   <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 305  292 | 
|  | 306  293   <span class="j">ATOM1:</span> <span class="k">for</span> <span class="i">$Atom1</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span> | 
|  | 307  294     <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 308  295       <span class="k">next</span> <span class="j">ATOM1</span><span class="sc">;</span> | 
|  | 309  296     <span class="s">}</span> | 
|  | 310  297     <span class="i">$AtomID1</span> = <span class="i">$Atom1</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 311  298     <span class="c"># Go over Atom1 neighbors other than Atom1...</span> | 
|  | 312  299     <span class="i">@Atom1Neighbors</span> = <span class="i">$Atom1</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="s">)</span><span class="sc">;</span> | 
|  | 313  300     <span class="j">ATOM2:</span> <span class="k">for</span> <span class="i">$Atom2</span> <span class="s">(</span><span class="i">@Atom1Neighbors</span><span class="s">)</span> <span class="s">{</span> | 
|  | 314  301       <span class="k">if</span> <span class="s">(</span><span class="i">$Atom2</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 315  302         <span class="k">next</span> <span class="j">ATOM2</span><span class="sc">;</span> | 
|  | 316  303       <span class="s">}</span> | 
|  | 317  304       <span class="i">$AtomID2</span> = <span class="i">$Atom2</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 318  305       <span class="c"># Go over Atom2 neighbors other than Atom1 and Atom2...</span> | 
|  | 319  306       <span class="i">@Atom2Neighbors</span> = <span class="i">$Atom2</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span><span class="sc">;</span> | 
|  | 320  307       <span class="j">ATOM3:</span> <span class="k">for</span> <span class="i">$Atom3</span> <span class="s">(</span><span class="i">@Atom2Neighbors</span><span class="s">)</span> <span class="s">{</span> | 
|  | 321  308         <span class="k">if</span> <span class="s">(</span><span class="i">$Atom3</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 322  309           <span class="k">next</span> <span class="j">ATOM3</span><span class="sc">;</span> | 
|  | 323  310         <span class="s">}</span> | 
|  | 324  311         <span class="i">$AtomID3</span> = <span class="i">$Atom3</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 325  312         <span class="i">@Atom3Neighbors</span> = <span class="i">$Atom3</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom3</span><span class="s">)</span><span class="sc">;</span> | 
|  | 326  313         <span class="c"># Go over Atom3 neighbors other than Atom1, Atom2 and Atom3...</span> | 
|  | 327  314         <span class="j">ATOM4:</span> <span class="k">for</span> <span class="i">$Atom4</span> <span class="s">(</span><span class="i">@Atom3Neighbors</span><span class="s">)</span> <span class="s">{</span> | 
|  | 328  315           <span class="k">if</span> <span class="s">(</span><span class="i">$Atom4</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 329  316             <span class="k">next</span> <span class="j">ATOM4</span><span class="sc">;</span> | 
|  | 330  317           <span class="s">}</span> | 
|  | 331  318           <span class="i">$AtomID4</span> = <span class="i">$Atom4</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 332  319 | 
|  | 333  320           <span class="c"># Is it a structurally unique torsion?</span> | 
|  | 334  321           <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_IsStructurallyUniqueTorsion</span><span class="s">(</span><span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 335  322             <span class="k">next</span> <span class="j">ATOM4</span><span class="sc">;</span> | 
|  | 336  323           <span class="s">}</span> | 
|  | 337  324 | 
|  | 338  325           <span class="c"># Track structurally unique torsions...</span> | 
|  | 339  326           <span class="i">$AtomTorsionID</span> = <span class="i">$This</span><span class="i">->_GetAtomTorsionID</span><span class="s">(</span><span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="s">)</span><span class="sc">;</span> | 
|  | 340  327           <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 341  328             <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>} += <span class="n">1</span><span class="sc">;</span> | 
|  | 342  329           <span class="s">}</span> | 
|  | 343  330           <span class="k">else</span> <span class="s">{</span> | 
|  | 344  331             <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>} = <span class="n">1</span><span class="sc">;</span> | 
|  | 345  332           <span class="s">}</span> | 
|  | 346  333         <span class="s">}</span> | 
|  | 347  334       <span class="s">}</span> | 
|  | 348  335     <span class="s">}</span> | 
|  | 349  336   <span class="s">}</span> | 
|  | 350  337 | 
|  | 351  338   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 352  339 <span class="s">}</span> | 
|  | 353  340 | 
|  | 354  341 <span class="c"># Is it a structurally unique torsions?</span> | 
|  | 355  342 <span class="c">#</span> | 
|  | 356  343 <span class="c"># Notes:</span> | 
|  | 357  344 <span class="c">#  . For a torsion to be structurally unique which hasn't already been encountered,</span> | 
|  | 358  345 <span class="c">#    all the four atoms involved in the torsion must be new atoms. And this can be</span> | 
|  | 359  346 <span class="c">#    simply implemented by tracking the torsions using atom IDs and maintaining a</span> | 
|  | 360  347 <span class="c">#    hash of already encountered torsions using lexicographically smaller torsion ID</span> | 
|  | 361  348 <span class="c">#    consisting of four atom IDs.</span> | 
|  | 362  349 <span class="c">#</span> | 
|  | 363 <a name="_IsStructurallyUniqueTorsion-"></a> 350 <span class="k">sub </span><span class="m">_IsStructurallyUniqueTorsion</span> <span class="s">{</span> | 
|  | 364  351   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 365  352   <span class="k">my</span><span class="s">(</span><span class="i">$TorsionID</span><span class="cm">,</span> <span class="i">$ReverseTorsionID</span><span class="s">)</span><span class="sc">;</span> | 
|  | 366  353 | 
|  | 367  354   <span class="i">$TorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | 
|  | 368  355   <span class="i">$ReverseTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="k">reverse</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | 
|  | 369  356 | 
|  | 370  357   <span class="c"># Use lexicographically smaller string...</span> | 
|  | 371  358   <span class="k">if</span> <span class="s">(</span><span class="i">$ReverseTorsionID</span> <span class="k">lt</span> <span class="i">$TorsionID</span><span class="s">)</span> <span class="s">{</span> | 
|  | 372  359     <span class="i">$TorsionID</span> = <span class="i">$ReverseTorsionID</span><span class="sc">;</span> | 
|  | 373  360   <span class="s">}</span> | 
|  | 374  361 | 
|  | 375  362   <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}{<span class="i">$TorsionID</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 376  363     <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | 
|  | 377  364   <span class="s">}</span> | 
|  | 378  365 | 
|  | 379  366   <span class="c"># Keep track...</span> | 
|  | 380  367   <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}{<span class="i">$TorsionID</span>} = <span class="n">1</span><span class="sc">;</span> | 
|  | 381  368 | 
|  | 382  369   <span class="k">return</span> <span class="n">1</span><span class="sc">;</span> | 
|  | 383  370 <span class="s">}</span> | 
|  | 384  371 | 
|  | 385  372 <span class="c"># Get atom torsion ID corresponding to atom types involved in torsion...</span> | 
|  | 386  373 <span class="c">#</span> | 
|  | 387  374 <span class="c"># Notes:</span> | 
|  | 388  375 <span class="c">#  . TorsionID corresponds to assigned atom types of all the four torsion atoms</span> | 
|  | 389  376 <span class="c">#    concatenated by hyphen.</span> | 
|  | 390  377 <span class="c">#  . TorsionIDs are generated for both forward and backward sequence of atoms</span> | 
|  | 391  378 <span class="c">#    in the torsion and keeping the lexicographically smaller TorsionID to keep TorsionID</span> | 
|  | 392  379 <span class="c">#    independent of atom ordering.</span> | 
|  | 393  380 <span class="c">#</span> | 
|  | 394 <a name="_GetAtomTorsionID-"></a> 381 <span class="k">sub </span><span class="m">_GetAtomTorsionID</span> <span class="s">{</span> | 
|  | 395  382   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 396  383   <span class="k">my</span><span class="s">(</span><span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">$ReverseAtomTorsionID</span><span class="cm">,</span> <span class="i">@AtomTypes</span><span class="s">)</span><span class="sc">;</span> | 
|  | 397  384 | 
|  | 398  385   <span class="i">@AtomTypes</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 399  386   <span class="i">@AtomTypes</span> = <span class="k">map</span> <span class="s">{</span> <span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}{<span class="i">$_</span>} <span class="s">}</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | 
|  | 400  387 | 
|  | 401  388   <span class="i">$AtomTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="i">@AtomTypes</span><span class="sc">;</span> | 
|  | 402  389   <span class="i">$ReverseAtomTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="k">reverse</span> <span class="i">@AtomTypes</span><span class="sc">;</span> | 
|  | 403  390 | 
|  | 404  391   <span class="c"># Use lexicographically smaller string as ID...</span> | 
|  | 405  392   <span class="k">return</span> <span class="s">(</span><span class="i">$ReverseAtomTorsionID</span> <span class="k">lt</span> <span class="i">$AtomTorsionID</span><span class="s">)</span> ? <span class="i">$ReverseAtomTorsionID</span> <span class="co">:</span> <span class="i">$AtomTorsionID</span><span class="sc">;</span> | 
|  | 406  393 <span class="s">}</span> | 
|  | 407  394 | 
|  | 408  395 <span class="c"># Set final fingerpritns vector...</span> | 
|  | 409  396 <span class="c">#</span> | 
|  | 410 <a name="_SetFinalFingerprints-"></a> 397 <span class="k">sub </span><span class="m">_SetFinalFingerprints</span> <span class="s">{</span> | 
|  | 411  398   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 412  399   <span class="k">my</span><span class="s">(</span><span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span><span class="sc">;</span> | 
|  | 413  400 | 
|  | 414  401   <span class="c"># Mark successful generation of fingerprints...</span> | 
|  | 415  402   <span class="i">$This</span>->{<span class="w">FingerprintsGenerated</span>} = <span class="n">1</span><span class="sc">;</span> | 
|  | 416  403 | 
|  | 417  404   <span class="i">@Values</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 418  405   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 419  406 | 
|  | 420  407   <span class="k">for</span> <span class="i">$AtomTorsionID</span> <span class="s">(</span><span class="k">sort</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}}<span class="s">)</span> <span class="s">{</span> | 
|  | 421  408     <span class="i">$Value</span> = <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>}<span class="sc">;</span> | 
|  | 422  409     <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="cm">,</span> <span class="i">$AtomTorsionID</span><span class="sc">;</span> | 
|  | 423  410     <span class="k">push</span> <span class="i">@Values</span><span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span> | 
|  | 424  411   <span class="s">}</span> | 
|  | 425  412 | 
|  | 426  413   <span class="c"># Add AtomPairsIDs and values to fingerprint vector...</span> | 
|  | 427  414   <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValueIDs</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="s">)</span><span class="sc">;</span> | 
|  | 428  415   <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValues</span><span class="s">(</span>\<span class="i">@Values</span><span class="s">)</span><span class="sc">;</span> | 
|  | 429  416 | 
|  | 430  417   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 431  418 <span class="s">}</span> | 
|  | 432  419 | 
|  | 433  420 <span class="c"># Get atom torsions IDs corresponding to atom torsions count values in fingerprint</span> | 
|  | 434  421 <span class="c"># vector as an array or reference to an array...</span> | 
|  | 435  422 <span class="c">#</span> | 
|  | 436  423 <span class="c"># AtomTorsionsIDs list differes in molecules and is generated during finalization</span> | 
|  | 437  424 <span class="c"># of fingerprints to make sure the fingerprint vector containing count values</span> | 
|  | 438  425 <span class="c"># matches the atom torsions array.</span> | 
|  | 439  426 <span class="c">#</span> | 
|  | 440 <a name="GetAtomTorsionsIDs-"></a> 427 <span class="k">sub </span><span class="m">GetAtomTorsionsIDs</span> <span class="s">{</span> | 
|  | 441  428   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 442  429 | 
|  | 443  430   <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} <span class="co">:</span> \<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="sc">;</span> | 
|  | 444  431 <span class="s">}</span> | 
|  | 445  432 | 
|  | 446  433 <span class="c"># Cache  appropriate molecule data...</span> | 
|  | 447  434 <span class="c">#</span> | 
|  | 448 <a name="_SetupMoleculeDataCache-"></a> 435 <span class="k">sub </span><span class="m">_SetupMoleculeDataCache</span> <span class="s">{</span> | 
|  | 449  436   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 450  437 | 
|  | 451  438   <span class="c"># Get all atoms including hydrogens. The hydrogen atoms are ignored during processing...</span> | 
|  | 452  439   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="i">$This</span><span class="i">->GetMolecule</span><span class="s">(</span><span class="s">)</span><span class="i">->GetAtoms</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 453  440 | 
|  | 454  441   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 455  442 <span class="s">}</span> | 
|  | 456  443 | 
|  | 457  444 <span class="c"># Clear cached molecule data...</span> | 
|  | 458  445 <span class="c">#</span> | 
|  | 459 <a name="_ClearMoleculeDataCache-"></a> 446 <span class="k">sub </span><span class="m">_ClearMoleculeDataCache</span> <span class="s">{</span> | 
|  | 460  447   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 461  448 | 
|  | 462  449   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 463  450 | 
|  | 464  451   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 465  452 <span class="s">}</span> | 
|  | 466  453 | 
|  | 467  454 <span class="c"># Set atomic invariants to use for atom identifiers...</span> | 
|  | 468  455 <span class="c">#</span> | 
|  | 469 <a name="SetAtomicInvariantsToUse-"></a> 456 <span class="k">sub </span><span class="m">SetAtomicInvariantsToUse</span> <span class="s">{</span> | 
|  | 470  457   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 471  458   <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">$AtomicInvariantValue</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> | 
|  | 472  459 | 
|  | 473  460   <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span> | 
|  | 474  461     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetAtomicInvariantsToUse: No values specified..."</span><span class="sc">;</span> | 
|  | 475  462     <span class="k">return</span><span class="sc">;</span> | 
|  | 476  463   <span class="s">}</span> | 
|  | 477  464 | 
|  | 478  465   <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span> | 
|  | 479  466   <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span> | 
|  | 480  467 | 
|  | 481  468   <span class="i">@SpecifiedAtomicInvariants</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 482  469   <span class="i">@AtomicInvariantsToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 483  470 | 
|  | 484  471   <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span> | 
|  | 485  472     <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span> | 
|  | 486  473   <span class="s">}</span> | 
|  | 487  474   <span class="k">else</span> <span class="s">{</span> | 
|  | 488  475     <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span> | 
|  | 489  476   <span class="s">}</span> | 
|  | 490  477 | 
|  | 491  478   <span class="c"># Make sure specified AtomicInvariants are valid...</span> | 
|  | 492  479   <span class="k">for</span> <span class="i">$SpecifiedAtomicInvariant</span> <span class="s">(</span><span class="i">@SpecifiedAtomicInvariants</span><span class="s">)</span> <span class="s">{</span> | 
|  | 493  480     <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> | 
|  | 494  481       <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomicInvariantsToUse: Specified atomic invariant, $SpecifiedAtomicInvariant, is not supported...\n "</span><span class="sc">;</span> | 
|  | 495  482     <span class="s">}</span> | 
|  | 496  483     <span class="i">$AtomicInvariant</span> = <span class="i">$SpecifiedAtomicInvariant</span><span class="sc">;</span> | 
|  | 497  484     <span class="k">push</span> <span class="i">@AtomicInvariantsToUse</span><span class="cm">,</span> <span class="i">$AtomicInvariant</span><span class="sc">;</span> | 
|  | 498  485   <span class="s">}</span> | 
|  | 499  486 | 
|  | 500  487   <span class="c"># Set atomic invariants to use...</span> | 
|  | 501  488   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 502  489   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}}<span class="cm">,</span> <span class="i">@AtomicInvariantsToUse</span><span class="sc">;</span> | 
|  | 503  490 | 
|  | 504  491   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 505  492 <span class="s">}</span> | 
|  | 506  493 | 
|  | 507  494 <span class="c"># Set functional classes to use for atom identifiers...</span> | 
|  | 508  495 <span class="c">#</span> | 
|  | 509 <a name="SetFunctionalClassesToUse-"></a> 496 <span class="k">sub </span><span class="m">SetFunctionalClassesToUse</span> <span class="s">{</span> | 
|  | 510  497   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 511  498   <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> | 
|  | 512  499 | 
|  | 513  500   <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span> | 
|  | 514  501     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: No values specified..."</span><span class="sc">;</span> | 
|  | 515  502     <span class="k">return</span><span class="sc">;</span> | 
|  | 516  503   <span class="s">}</span> | 
|  | 517  504 | 
|  | 518  505   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} !~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 519  506     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: FunctionalClassesToUse can't be set for InitialAtomIdentifierType of $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | 
|  | 520  507     <span class="k">return</span><span class="sc">;</span> | 
|  | 521  508   <span class="s">}</span> | 
|  | 522  509 | 
|  | 523  510   <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span> | 
|  | 524  511   <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span> | 
|  | 525  512 | 
|  | 526  513   <span class="i">@SpecifiedFunctionalClasses</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 527  514   <span class="i">@FunctionalClassesToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 528  515 | 
|  | 529  516   <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span> | 
|  | 530  517     <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span> | 
|  | 531  518   <span class="s">}</span> | 
|  | 532  519   <span class="k">else</span> <span class="s">{</span> | 
|  | 533  520     <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span> | 
|  | 534  521   <span class="s">}</span> | 
|  | 535  522 | 
|  | 536  523   <span class="c"># Make sure specified FunctionalClasses are valid...</span> | 
|  | 537  524   <span class="k">for</span> <span class="i">$SpecifiedFunctionalClass</span> <span class="s">(</span><span class="i">@SpecifiedFunctionalClasses</span><span class="s">)</span> <span class="s">{</span> | 
|  | 538  525     <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> | 
|  | 539  526       <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetFunctionalClassesToUse: Specified functional class, $SpecifiedFunctionalClass, is not supported...\n "</span><span class="sc">;</span> | 
|  | 540  527     <span class="s">}</span> | 
|  | 541  528     <span class="k">push</span> <span class="i">@FunctionalClassesToUse</span><span class="cm">,</span> <span class="i">$SpecifiedFunctionalClass</span><span class="sc">;</span> | 
|  | 542  529   <span class="s">}</span> | 
|  | 543  530 | 
|  | 544  531   <span class="c"># Set functional classes to use...</span> | 
|  | 545  532   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 546  533   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}}<span class="cm">,</span> <span class="i">@FunctionalClassesToUse</span><span class="sc">;</span> | 
|  | 547  534 | 
|  | 548  535   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 549  536 <span class="s">}</span> | 
|  | 550  537 | 
|  | 551  538 <span class="c"># Initialize atom indentifier type information...</span> | 
|  | 552  539 <span class="c">#</span> | 
|  | 553  540 <span class="c"># Current supported values:</span> | 
|  | 554  541 <span class="c">#</span> | 
|  | 555  542 <span class="c"># AtomicInvariantsAtomTypes, DREIDINGAtomTypes, EStateAtomTypes, FunctionalClassAtomTypes,</span> | 
|  | 556  543 <span class="c"># MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes, UFFAtomTypes</span> | 
|  | 557  544 <span class="c">#</span> | 
|  | 558 <a name="_InitializeAtomIdentifierTypeInformation-"></a> 545 <span class="k">sub </span><span class="m">_InitializeAtomIdentifierTypeInformation</span> <span class="s">{</span> | 
|  | 559  546   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 560  547 | 
|  | 561  548   <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> | 
|  | 562  549     <span class="i">$This</span><span class="i">->_InitializeAtomicInvariantsAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 563  550   <span class="s">}</span> | 
|  | 564  551   <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 565  552     <span class="i">$This</span><span class="i">->_InitializeFunctionalClassAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 566  553   <span class="s">}</span> | 
|  | 567  554   <span class="k">elsif</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> | 
|  | 568  555     <span class="c"># Nothing to do for now...</span> | 
|  | 569  556   <span class="s">}</span> | 
|  | 570  557   <span class="k">else</span> <span class="s">{</span> | 
|  | 571  558     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_InitializeAtomIdentifierTypeInformation: Unknown atom indentifier type $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | 
|  | 572  559   <span class="s">}</span> | 
|  | 573  560 | 
|  | 574  561   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 575  562 <span class="s">}</span> | 
|  | 576  563 | 
|  | 577  564 <span class="c"># Initialize atomic invariants to use for generating atom IDs in atom torsions...</span> | 
|  | 578  565 <span class="c">#</span> | 
|  | 579  566 <span class="c"># Let:</span> | 
|  | 580  567 <span class="c">#   AS = Atom symbol corresponding to element symbol</span> | 
|  | 581  568 <span class="c">#</span> | 
|  | 582  569 <span class="c">#   X<n>   = Number of non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 583  570 <span class="c">#   BO<n> = Sum of bond orders to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 584  571 <span class="c">#   LBO<n> = Largest bond order of non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 585  572 <span class="c">#   SB<n> = Number of single bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 586  573 <span class="c">#   DB<n> = Number of double bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 587  574 <span class="c">#   TB<n> = Number of triple bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | 
|  | 588  575 <span class="c">#   H<n>   = Number of implicit and explicit hydrogens for atom</span> | 
|  | 589  576 <span class="c">#   Ar     = Aromatic annotation indicating whether atom is aromatic</span> | 
|  | 590  577 <span class="c">#   RA     = Ring atom annotation indicating whether atom is a ring</span> | 
|  | 591  578 <span class="c">#   FC<+n/-n> = Formal charge assigned to atom</span> | 
|  | 592  579 <span class="c">#   MN<n> = Mass number indicating isotope other than most abundant isotope</span> | 
|  | 593  580 <span class="c">#   SM<n> = Spin multiplicity of atom. Possible values: 1 (singlet), 2 (doublet) or 3 (triplet)</span> | 
|  | 594  581 <span class="c">#</span> | 
|  | 595  582 <span class="c">#   AtomTypeIDx = Atomic invariants atom type for atom x</span> | 
|  | 596  583 <span class="c">#   AtomTypeIDy = Atomic invariants atom type for atom y</span> | 
|  | 597  584 <span class="c">#   AtomTypeIDz = Atomic invariants atom type for atom z</span> | 
|  | 598  585 <span class="c">#   AtomTypeIDw = Atomic invariants atom type for atom w</span> | 
|  | 599  586 <span class="c">#</span> | 
|  | 600  587 <span class="c"># Then:</span> | 
|  | 601  588 <span class="c">#</span> | 
|  | 602  589 <span class="c">#   Atom torsion AtomID generated by AtomTypes::AtomicInvariantsAtomTypes class corresponds to:</span> | 
|  | 603  590 <span class="c">#</span> | 
|  | 604  591 <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> | 
|  | 605  592 <span class="c">#</span> | 
|  | 606  593 <span class="c">#  AtomTorsion ID corresponds to:</span> | 
|  | 607  594 <span class="c">#</span> | 
|  | 608  595 <span class="c">#    AtomTypeIDx-AtomTypeIDy-AtomTypeIDz-AtomTypeIDw</span> | 
|  | 609  596 <span class="c">#</span> | 
|  | 610  597 <span class="c"># Except for AS which is a required atomic invariant in atom torsions AtomIDs, all other atomic invariants are</span> | 
|  | 611  598 <span class="c"># optional. Default atomic invariants used for AtomID are: AS, X<n>, BO<n>, H<n>, FC<+n/-n>.</span> | 
|  | 612  599 <span class="c"># AtomID specification doesn't include atomic invariants with zero or undefined values.</span> | 
|  | 613  600 <span class="c">#</span> | 
|  | 614  601 <span class="c"># Examples of atom torsion AtomIDs in Aspirin using default atomic invariants:</span> | 
|  | 615  602 <span class="c">#</span> | 
|  | 616  603 <span class="c">#  C.X1.BO1.H3-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | 
|  | 617  604 <span class="c">#  C.X2.BO3.H1-C.X2.BO3.H1-C.X2.BO3.H1-C.X2.BO3.H1</span> | 
|  | 618  605 <span class="c">#  C.X3.BO4-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | 
|  | 619  606 <span class="c">#  C.X3.BO4-O.X2.BO2-C.X3.BO4-O.X1.BO2</span> | 
|  | 620  607 <span class="c">#</span> | 
|  | 621  608 <span class="c"># Examples of atom torsion AtomIDs in Aspirin using AS, X and BO atomic invariants:</span> | 
|  | 622  609 <span class="c">#</span> | 
|  | 623  610 <span class="c">#  C.X1.BO1-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | 
|  | 624  611 <span class="c">#  C.X2.BO3-C.X2.BO3-C.X2.BO3-C.X2.BO3</span> | 
|  | 625  612 <span class="c">#  C.X3.BO4-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | 
|  | 626  613 <span class="c">#  C.X3.BO4-O.X2.BO2-C.X3.BO4-O.X1.BO2</span> | 
|  | 627  614 <span class="c">#</span> | 
|  | 628 <a name="_InitializeAtomicInvariantsAtomTypesInformation-"></a> 615 <span class="k">sub </span><span class="m">_InitializeAtomicInvariantsAtomTypesInformation</span> <span class="s">{</span> | 
|  | 629  616   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 630  617 | 
|  | 631  618   <span class="c"># Default atomic invariants to use for generating atom torsions atom IDs: AS, X, BO, H, FC</span> | 
|  | 632  619   <span class="c">#</span> | 
|  | 633  620   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 634  621   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="q">'AS'</span><span class="cm">,</span> <span class="q">'X'</span><span class="cm">,</span> <span class="q">'BO'</span><span class="cm">,</span> <span class="q">'H'</span><span class="cm">,</span> <span class="q">'FC'</span><span class="s">)</span><span class="sc">;</span> | 
|  | 635  622 | 
|  | 636  623   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 637  624 <span class="s">}</span> | 
|  | 638  625 | 
|  | 639  626 <span class="c"># Initialize functional class atom types, generated by AtomTypes::FunctionalClassAtomTypes</span> | 
|  | 640  627 <span class="c"># class, to use for generating atom identifiers...</span> | 
|  | 641  628 <span class="c">#</span> | 
|  | 642  629 <span class="c"># Let:</span> | 
|  | 643  630 <span class="c">#   HBD: HydrogenBondDonor</span> | 
|  | 644  631 <span class="c">#   HBA: HydrogenBondAcceptor</span> | 
|  | 645  632 <span class="c">#   PI :  PositivelyIonizable</span> | 
|  | 646  633 <span class="c">#   NI : NegativelyIonizable</span> | 
|  | 647  634 <span class="c">#   Ar : Aromatic</span> | 
|  | 648  635 <span class="c">#   Hal : Halogen</span> | 
|  | 649  636 <span class="c">#   H : Hydrophobic</span> | 
|  | 650  637 <span class="c">#   RA : RingAtom</span> | 
|  | 651  638 <span class="c">#   CA : ChainAtom</span> | 
|  | 652  639 <span class="c">#</span> | 
|  | 653  640 <span class="c"># Then:</span> | 
|  | 654  641 <span class="c">#</span> | 
|  | 655  642 <span class="c">#   Functiononal class atom type specification for an atom corresponds to:</span> | 
|  | 656  643 <span class="c">#</span> | 
|  | 657  644 <span class="c">#     Ar.CA.H.HBA.HBD.Hal.NI.PI.RA</span> | 
|  | 658  645 <span class="c">#</span> | 
|  | 659  646 <span class="c">#   Default functional classes used are: HBD, HBA, PI, NI, Ar, Hal</span> | 
|  | 660  647 <span class="c">#</span> | 
|  | 661  648 <span class="c">#   FunctionalAtomTypes are assigned using the following definitions [ Ref 60-61, Ref 65-66 ]:</span> | 
|  | 662  649 <span class="c">#</span> | 
|  | 663  650 <span class="c">#     HydrogenBondDonor: NH, NH2, OH</span> | 
|  | 664  651 <span class="c">#     HydrogenBondAcceptor: N[!H], O</span> | 
|  | 665  652 <span class="c">#     PositivelyIonizable: +, NH2</span> | 
|  | 666  653 <span class="c">#     NegativelyIonizable: -, C(=O)OH, S(=O)OH, P(=O)OH</span> | 
|  | 667  654 <span class="c">#</span> | 
|  | 668 <a name="_InitializeFunctionalClassAtomTypesInformation-"></a> 655 <span class="k">sub </span><span class="m">_InitializeFunctionalClassAtomTypesInformation</span> <span class="s">{</span> | 
|  | 669  656   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 670  657 | 
|  | 671  658   <span class="c"># Default functional class atom typess to use for generating atom identifiers</span> | 
|  | 672  659   <span class="c"># are: HBD, HBA, PI, NI, Ar, Hal</span> | 
|  | 673  660   <span class="c">#</span> | 
|  | 674  661   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 675  662   <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="q">'HBD'</span><span class="cm">,</span> <span class="q">'HBA'</span><span class="cm">,</span> <span class="q">'PI'</span><span class="cm">,</span> <span class="q">'NI'</span><span class="cm">,</span> <span class="q">'Ar'</span><span class="cm">,</span> <span class="q">'Hal'</span><span class="s">)</span><span class="sc">;</span> | 
|  | 676  663 | 
|  | 677  664   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 678  665 <span class="s">}</span> | 
|  | 679  666 | 
|  | 680  667 <span class="c"># Return a string containg data for TopologicalAtomTorsionsFingerprints object...</span> | 
|  | 681  668 <span class="c">#</span> | 
|  | 682 <a name="StringifyTopologicalAtomTorsionsFingerprints-"></a> 669 <span class="k">sub </span><span class="m">StringifyTopologicalAtomTorsionsFingerprints</span> <span class="s">{</span> | 
|  | 683  670   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 684  671   <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsString</span><span class="s">)</span><span class="sc">;</span> | 
|  | 685  672 | 
|  | 686  673   <span class="c"># Type of fingerprint...</span> | 
|  | 687  674   <span class="i">$FingerprintsString</span> = <span class="q">"Fingerprint type: $This->{Type}; AtomIdentifierType: $This->{AtomIdentifierType}"</span><span class="sc">;</span> | 
|  | 688  675 | 
|  | 689  676   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 690  677     <span class="k">my</span><span class="s">(</span><span class="i">$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> | 
|  | 691  678 | 
|  | 692  679     <span class="i">@AtomicInvariantsOrder</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAtomicInvariantsOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 693  680     <span class="i">%AvailableAtomicInvariants</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAvailableAtomicInvariants</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 694  681 | 
|  | 695  682     <span class="k">for</span> <span class="i">$AtomicInvariant</span> <span class="s">(</span><span class="i">@AtomicInvariantsOrder</span><span class="s">)</span> <span class="s">{</span> | 
|  | 696  683       <span class="k">push</span> <span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="q">"$AtomicInvariant: $AvailableAtomicInvariants{$AtomicInvariant}"</span><span class="sc">;</span> | 
|  | 697  684     <span class="s">}</span> | 
|  | 698  685 | 
|  | 699  686     <span class="i">$FingerprintsString</span> .= <span class="q">"; AtomicInvariantsToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$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> | 
|  | 700  687     <span class="i">$FingerprintsString</span> .= <span class="q">"; AtomicInvariantsOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@AtomicInvariantsOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | 
|  | 701  688     <span class="i">$FingerprintsString</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> | 
|  | 702  689   <span class="s">}</span> | 
|  | 703  690   <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> | 
|  | 704  691     <span class="k">my</span><span class="s">(</span><span class="i">$FunctionalClass</span><span class="cm">,</span> <span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="i">%AvailableFunctionalClasses</span><span class="s">)</span><span class="sc">;</span> | 
|  | 705  692 | 
|  | 706  693     <span class="i">@FunctionalClassesOrder</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetFunctionalClassesOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 707  694     <span class="i">%AvailableFunctionalClasses</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetAvailableFunctionalClasses</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 708  695 | 
|  | 709  696     <span class="k">for</span> <span class="i">$FunctionalClass</span> <span class="s">(</span><span class="i">@FunctionalClassesOrder</span><span class="s">)</span> <span class="s">{</span> | 
|  | 710  697       <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> | 
|  | 711  698     <span class="s">}</span> | 
|  | 712  699 | 
|  | 713  700     <span class="i">$FingerprintsString</span> .= <span class="q">"; FunctionalClassesToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$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> | 
|  | 714  701     <span class="i">$FingerprintsString</span> .= <span class="q">"; FunctionalClassesOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | 
|  | 715  702     <span class="i">$FingerprintsString</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> | 
|  | 716  703   <span class="s">}</span> | 
|  | 717  704 | 
|  | 718  705   <span class="c"># Total number of atom torsions...</span> | 
|  | 719  706   <span class="i">$FingerprintsString</span> .= <span class="q">"; NumOfAtomTorsions: "</span> . <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->GetNumOfValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 720  707 | 
|  | 721  708   <span class="c"># FingerprintsVector...</span> | 
|  | 722  709   <span class="i">$FingerprintsString</span> .= <span class="q">"; FingerprintsVector: < $This->{FingerprintsVector} >"</span><span class="sc">;</span> | 
|  | 723  710 | 
|  | 724  711   <span class="k">return</span> <span class="i">$FingerprintsString</span><span class="sc">;</span> | 
|  | 725  712 <span class="s">}</span> | 
|  | 726  713 | 
|  | 727 <a name="EOF-"></a></pre> | 
|  | 728 <p> </p> | 
|  | 729 <br /> | 
|  | 730 <center> | 
|  | 731 <img src="../../../images/h2o2.png"> | 
|  | 732 </center> | 
|  | 733 </body> | 
|  | 734 </html> |