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|  | 13 <pre> | 
|  | 14 <a name="package-MolecularDescriptors::WeightAndMassDescriptors-"></a>   1 <span class="k">package </span><span class="i">MolecularDescriptors::WeightAndMassDescriptors</span><span class="sc">;</span> | 
|  | 15    2 <span class="c">#</span> | 
|  | 16    3 <span class="c"># $RCSfile: WeightAndMassDescriptors.pm,v $</span> | 
|  | 17    4 <span class="c"># $Date: 2015/02/28 20:49:20 $</span> | 
|  | 18    5 <span class="c"># $Revision: 1.10 $</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">Scalar::Util</span> <span class="s">(</span><span class="s">)</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">MathUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 48   35 <span class="k">use</span> <span class="w">Atom</span><span class="sc">;</span> | 
|  | 49   36 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span> | 
|  | 50   37 <span class="k">use</span> <span class="w">MolecularDescriptors::MolecularDescriptors</span><span class="sc">;</span> | 
|  | 51   38 | 
|  | 52   39 <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> | 
|  | 53   40 | 
|  | 54   41 <span class="i">@ISA</span> = <span class="q">qw(MolecularDescriptors::MolecularDescriptors Exporter)</span><span class="sc">;</span> | 
|  | 55   42 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> | 
|  | 56   43 <span class="i">@EXPORT_OK</span> = <span class="q">qw(GetDescriptorNames)</span><span class="sc">;</span> | 
|  | 57   44 | 
|  | 58   45 <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> | 
|  | 59   46 | 
|  | 60   47 <span class="c"># Setup class variables...</span> | 
|  | 61   48 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="cm">,</span> <span class="i">@DescriptorNames</span><span class="s">)</span><span class="sc">;</span> | 
|  | 62   49 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 63   50 | 
|  | 64   51 <span class="c"># Overload Perl functions...</span> | 
|  | 65   52 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyWeightAndMassDescriptors'</span><span class="sc">;</span> | 
|  | 66   53 | 
|  | 67   54 <span class="c"># Class constructor...</span> | 
|  | 68 <a name="new-"></a>  55 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | 
|  | 69   56   <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 70   57 | 
|  | 71   58   <span class="c"># Initialize object...</span> | 
|  | 72   59   <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 73   60   <span class="k">bless</span> <span class="i">$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> | 
|  | 74   61   <span class="i">$This</span><span class="i">->_InitializeWeightAndMassDescriptors</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 75   62 | 
|  | 76   63   <span class="i">$This</span><span class="i">->_InitializeWeightAndMassDescriptorsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> | 
|  | 77   64 | 
|  | 78   65   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 79   66 <span class="s">}</span> | 
|  | 80   67 | 
|  | 81   68 <span class="c"># Initialize class ...</span> | 
|  | 82 <a name="_InitializeClass-"></a>  69 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | 
|  | 83   70   <span class="c">#Class name...</span> | 
|  | 84   71   <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | 
|  | 85   72 | 
|  | 86   73   <span class="c"># Descriptor names...</span> | 
|  | 87   74   <span class="i">@DescriptorNames</span> = <span class="s">(</span><span class="q">'MolecularWeight'</span><span class="cm">,</span> <span class="q">'ExactMass'</span><span class="s">)</span><span class="sc">;</span> | 
|  | 88   75 | 
|  | 89   76 <span class="s">}</span> | 
|  | 90   77 | 
|  | 91   78 <span class="c"># Get descriptor names as an array.</span> | 
|  | 92   79 <span class="c">#</span> | 
|  | 93   80 <span class="c"># This functionality can be either invoked as a class function or an</span> | 
|  | 94   81 <span class="c"># object method.</span> | 
|  | 95   82 <span class="c">#</span> | 
|  | 96 <a name="GetDescriptorNames-"></a>  83 <span class="k">sub </span><span class="m">GetDescriptorNames</span> <span class="s">{</span> | 
|  | 97   84   <span class="k">return</span> <span class="i">@DescriptorNames</span><span class="sc">;</span> | 
|  | 98   85 <span class="s">}</span> | 
|  | 99   86 | 
|  | 100   87 <span class="c"># Initialize object data...</span> | 
|  | 101   88 <span class="c">#</span> | 
|  | 102 <a name="_InitializeWeightAndMassDescriptors-"></a>  89 <span class="k">sub </span><span class="m">_InitializeWeightAndMassDescriptors</span> <span class="s">{</span> | 
|  | 103   90   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 104   91 | 
|  | 105   92   <span class="c"># Type of MolecularDescriptor...</span> | 
|  | 106   93   <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'WeightAndMass'</span><span class="sc">;</span> | 
|  | 107   94 | 
|  | 108   95   <span class="c"># Precision for molecular weight and exact mass values...</span> | 
|  | 109   96   <span class="i">$This</span>->{<span class="w">WeightPrecision</span>} = <span class="n">2</span><span class="sc">;</span> | 
|  | 110   97   <span class="i">$This</span>->{<span class="w">MassPrecision</span>} = <span class="n">4</span><span class="sc">;</span> | 
|  | 111   98 | 
|  | 112   99   <span class="c"># Intialize descriptor names and values...</span> | 
|  | 113  100   <span class="i">$This</span><span class="i">->_InitializeDescriptorNamesAndValues</span><span class="s">(</span><span class="i">@DescriptorNames</span><span class="s">)</span><span class="sc">;</span> | 
|  | 114  101 | 
|  | 115  102   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 116  103 <span class="s">}</span> | 
|  | 117  104 | 
|  | 118  105 <span class="c"># Initialize object properties...</span> | 
|  | 119  106 <span class="c">#</span> | 
|  | 120 <a name="_InitializeWeightAndMassDescriptorsProperties-"></a> 107 <span class="k">sub </span><span class="m">_InitializeWeightAndMassDescriptorsProperties</span> <span class="s">{</span> | 
|  | 121  108   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 122  109 | 
|  | 123  110   <span class="k">my</span><span class="s">(</span><span class="i">$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> | 
|  | 124  111   <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> | 
|  | 125  112     <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> | 
|  | 126  113     <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | 
|  | 127  114   <span class="s">}</span> | 
|  | 128  115 | 
|  | 129  116   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 130  117 <span class="s">}</span> | 
|  | 131  118 | 
|  | 132  119 <span class="c"># Set weight precision for moelcular weight...</span> | 
|  | 133  120 <span class="c">#</span> | 
|  | 134 <a name="SetWeightPrecision-"></a> 121 <span class="k">sub </span><span class="m">SetWeightPrecision</span> <span class="s">{</span> | 
|  | 135  122   <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> | 
|  | 136  123 | 
|  | 137  124   <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> | 
|  | 138  125     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetWeightPrecision: WeightPrecision value, $Value, is not valid:  It must be a an integer..."</span><span class="sc">;</span> | 
|  | 139  126   <span class="s">}</span> | 
|  | 140  127   <span class="i">$This</span>->{<span class="w">WeightPrecision</span>} = <span class="i">$Value</span><span class="sc">;</span> | 
|  | 141  128 | 
|  | 142  129   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 143  130 <span class="s">}</span> | 
|  | 144  131 | 
|  | 145  132 <span class="c"># Set mass precision for exact weight...</span> | 
|  | 146  133 <span class="c">#</span> | 
|  | 147 <a name="SetMassPrecision-"></a> 134 <span class="k">sub </span><span class="m">SetMassPrecision</span> <span class="s">{</span> | 
|  | 148  135   <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> | 
|  | 149  136 | 
|  | 150  137   <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> | 
|  | 151  138     <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetMassPrecision: MassPrecision value, $Value, is not valid:  It must be a an integer..."</span><span class="sc">;</span> | 
|  | 152  139   <span class="s">}</span> | 
|  | 153  140   <span class="i">$This</span>->{<span class="w">MassPrecision</span>} = <span class="i">$Value</span><span class="sc">;</span> | 
|  | 154  141 | 
|  | 155  142   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 156  143 <span class="s">}</span> | 
|  | 157  144 | 
|  | 158  145 <span class="c"># Generate molecular weight and exact mass values...</span> | 
|  | 159  146 <span class="c">#</span> | 
|  | 160 <a name="GenerateDescriptors-"></a> 147 <span class="k">sub </span><span class="m">GenerateDescriptors</span> <span class="s">{</span> | 
|  | 161  148   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 162  149 | 
|  | 163  150   <span class="c"># Initialize descriptor values...</span> | 
|  | 164  151   <span class="i">$This</span><span class="i">->_InitializeDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 165  152 | 
|  | 166  153   <span class="c"># Check availability of molecule...</span> | 
|  | 167  154   <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 168  155     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateDescriptors: $This->{Type} molecular descriptors generation didn't succeed: Molecule data is not available: Molecule object hasn't been set..."</span><span class="sc">;</span> | 
|  | 169  156     <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | 
|  | 170  157   <span class="s">}</span> | 
|  | 171  158 | 
|  | 172  159   <span class="c"># Calculate descriptor values...</span> | 
|  | 173  160   <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_CalculateDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 174  161     <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateDescriptors: $This->{Type} molecular descriptors generation didn't succeed..."</span><span class="sc">;</span> | 
|  | 175  162     <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | 
|  | 176  163   <span class="s">}</span> | 
|  | 177  164 | 
|  | 178  165   <span class="c"># Set final descriptor values...</span> | 
|  | 179  166   <span class="i">$This</span><span class="i">->_SetFinalDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 180  167 | 
|  | 181  168   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 182  169 <span class="s">}</span> | 
|  | 183  170 | 
|  | 184  171 <span class="c"># Calculate molecular weight and exact mass values..</span> | 
|  | 185  172 <span class="c">#</span> | 
|  | 186 <a name="_CalculateDescriptorValues-"></a> 173 <span class="k">sub </span><span class="m">_CalculateDescriptorValues</span> <span class="s">{</span> | 
|  | 187  174   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 188  175   <span class="k">my</span><span class="s">(</span><span class="i">$MolecularWeight</span><span class="cm">,</span> <span class="i">$ExactMass</span><span class="s">)</span><span class="sc">;</span> | 
|  | 189  176 | 
|  | 190  177   <span class="i">$MolecularWeight</span> = <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="i">->GetMolecularWeight</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 191  178   <span class="i">$ExactMass</span> = <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="i">->GetExactMass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 192  179 | 
|  | 193  180   <span class="c"># Track values...</span> | 
|  | 194  181   <span class="i">$This</span>->{<span class="w">MolecularWeight</span>} = <span class="i">MathUtil::round</span><span class="s">(</span><span class="i">$MolecularWeight</span><span class="cm">,</span> <span class="i">$This</span>->{<span class="w">WeightPrecision</span>}<span class="s">)</span><span class="sc">;</span> | 
|  | 195  182   <span class="i">$This</span>->{<span class="w">ExactMass</span>} = <span class="i">MathUtil::round</span><span class="s">(</span><span class="i">$ExactMass</span><span class="cm">,</span> <span class="i">$This</span>->{<span class="w">MassPrecision</span>}<span class="s">)</span><span class="sc">;</span> | 
|  | 196  183 | 
|  | 197  184   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 198  185 <span class="s">}</span> | 
|  | 199  186 | 
|  | 200  187 <span class="c"># Setup final descriptor values...</span> | 
|  | 201  188 <span class="c">#</span> | 
|  | 202 <a name="_SetFinalDescriptorValues-"></a> 189 <span class="k">sub </span><span class="m">_SetFinalDescriptorValues</span> <span class="s">{</span> | 
|  | 203  190   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 204  191 | 
|  | 205  192   <span class="i">$This</span>->{<span class="w">DescriptorsGenerated</span>} = <span class="n">1</span><span class="sc">;</span> | 
|  | 206  193 | 
|  | 207  194   <span class="i">$This</span><span class="i">->SetDescriptorValues</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">MolecularWeight</span>}<span class="cm">,</span> <span class="i">$This</span>->{<span class="w">ExactMass</span>}<span class="s">)</span><span class="sc">;</span> | 
|  | 208  195 | 
|  | 209  196   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | 
|  | 210  197 <span class="s">}</span> | 
|  | 211  198 | 
|  | 212  199 <span class="c"># Return a string containg data for WeightAndMassDescriptors object...</span> | 
|  | 213  200 <span class="c">#</span> | 
|  | 214 <a name="StringifyWeightAndMassDescriptors-"></a> 201 <span class="k">sub </span><span class="m">StringifyWeightAndMassDescriptors</span> <span class="s">{</span> | 
|  | 215  202   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 216  203   <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span> | 
|  | 217  204 | 
|  | 218  205   <span class="i">$TheString</span> = <span class="q">"MolecularDescriptorType: $This->{Type}; "</span> . <span class="i">$This</span><span class="i">->_StringifyDescriptorNamesAndValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 219  206 | 
|  | 220  207   <span class="k">return</span> <span class="i">$TheString</span><span class="sc">;</span> | 
|  | 221  208 <span class="s">}</span> | 
|  | 222  209 | 
|  | 223  210 <span class="c"># Is it a WeightAndMassDescriptors object?</span> | 
|  | 224 <a name="_IsWeightAndMassDescriptors-"></a> 211 <span class="k">sub </span><span class="m">_IsWeightAndMassDescriptors</span> <span class="s">{</span> | 
|  | 225  212   <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | 
|  | 226  213 | 
|  | 227  214   <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> && <span class="i">$Object</span><span class="i">->isa</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | 
|  | 228  215 <span class="s">}</span> | 
|  | 229  216 | 
|  | 230 <a name="EOF-"></a></pre> | 
|  | 231 <p> </p> | 
|  | 232 <br /> | 
|  | 233 <center> | 
|  | 234 <img src="../../../images/h2o2.png"> | 
|  | 235 </center> | 
|  | 236 </body> | 
|  | 237 </html> |