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Comparing trunk/src/applications/staticProps/GofXyz.cpp (file contents):
Revision 360 by tim, Thu Feb 17 16:21:07 2005 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   #include <algorithm>
44   #include <fstream>
45   #include "applications/staticProps/GofXyz.hpp"
46   #include "utils/simError.h"
47 + #include "primitives/Molecule.hpp"
48 + #include "types/MultipoleAdapter.hpp"
49  
50 < namespace oopse {
51 <
52 < GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, double len, int nrbins)
53 <    : RadialDistrFunc(info, filename, sele1, sele2), len_(len), nRBins_(nrbins) {
50 > namespace OpenMD {
51 >  
52 >  GofXyz::GofXyz(SimInfo* info, const std::string& filename,
53 >                 const std::string& sele1, const std::string& sele2,
54 >                 const std::string& sele3, RealType len, int nrbins)
55 >    : RadialDistrFunc(info, filename, sele1, sele2), len_(len),
56 >      halfLen_(len/2), nRBins_(nrbins), evaluator3_(info), seleMan3_(info) {
57 >    
58      setOutputName(getPrefix(filename) + ".gxyz");
52
53    deltaR_ = len_ / nRBins_;
59      
60 +    evaluator3_.loadScriptString(sele3);
61 +    if (!evaluator3_.isDynamic()) {
62 +      seleMan3_.setSelectionSet(evaluator3_.evaluate());
63 +    }    
64 +    
65 +    deltaR_ =  len_ / nRBins_;
66 +    
67      histogram_.resize(nRBins_);
68      for (int i = 0 ; i < nRBins_; ++i) {
69 <        histogram_[i].resize(nRBins_);
70 <        for(int j = 0; j < nRBins_; ++j) {
71 <            histogram_[i][j].resize(nRBins_);
72 <        }
69 >      histogram_[i].resize(nRBins_);
70 >      for(int j = 0; j < nRBins_; ++j) {
71 >        histogram_[i][j].resize(nRBins_);
72 >      }
73 >    }    
74 >  }
75 >  
76 >  void GofXyz::preProcess() {
77 >    for (int i = 0 ; i < nRBins_; ++i) {
78 >      histogram_[i].resize(nRBins_);
79 >      for(int j = 0; j < nRBins_; ++j) {
80 >        std::fill(histogram_[i][j].begin(), histogram_[i][j].end(), 0);
81 >      }
82      }  
83 < }
83 >  }
84 >  
85 >  
86 >  void GofXyz::initializeHistogram() {
87 >    // Calculate the center of mass of the molecule of selected
88 >    // StuntDouble in selection1
89 >    
90 >    if (!evaluator3_.isDynamic()) {
91 >      seleMan3_.setSelectionSet(evaluator3_.evaluate());
92 >    }    
93  
94 +    assert(seleMan1_.getSelectionCount() == seleMan3_.getSelectionCount());
95 +    
96 +    // The Dipole direction of selection3 and position of selection3 will
97 +    // be used to determine the y-z plane
98 +    // v1 = s3 -s1,
99 +    // z = origin.dipole
100 +    // x = v1 X z
101 +    // y = z X x
102 +    rotMats_.clear();
103  
104 < void GofXyz::preProcess() {
105 <    /*
106 <    for (int i = 0; i < avgGofr_.size(); ++i) {
107 <        std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0);
108 <    }
109 <    */
110 < }
104 >    int i;
105 >    int j;
106 >    StuntDouble* sd1;
107 >    StuntDouble* sd3;
108 >    
109 >    for (sd1 = seleMan1_.beginSelected(i), sd3 = seleMan3_.beginSelected(j);
110 >         sd1 != NULL || sd3 != NULL;
111 >         sd1 = seleMan1_.nextSelected(i), sd3 = seleMan3_.nextSelected(j)) {
112  
113 < void GofXyz::initalizeHistogram() {
114 <    /*
115 <    npairs_ = 0;
116 <    for (int i = 0; i < histogram_.size(); ++i)
117 <        std::fill(histogram_[i].begin(), histogram_[i].end(), 0);
78 <    */
79 < }
113 >      Vector3d r3 = sd3->getPos();
114 >      Vector3d r1 = sd1->getPos();
115 >      Vector3d v1 =  r3 - r1;
116 >      if (usePeriodicBoundaryConditions_)
117 >        info_->getSnapshotManager()->getCurrentSnapshot()->wrapVector(v1);
118  
119 +      AtomType* atype1 = static_cast<Atom*>(sd1)->getAtomType();
120 +      MultipoleAdapter ma1 = MultipoleAdapter(atype1);
121  
122 < void GofXyz::processHistogram() {
122 >      Vector3d zaxis;
123 >      if (ma1.isDipole())
124 >        zaxis = sd1->getDipole();
125 >      else
126 >        zaxis = sd1->getA().transpose() * V3Z;
127  
128 <    /*
129 <    double volume = info_->getSnapshotManager()->getCurrentSnapshot()->getVolume();
86 <    double pairDensity = npairs_ /volume;
87 <    double pairConstant = ( 4.0 * NumericConstant::PI * pairDensity ) / 3.0;
128 >      Vector3d xaxis = cross(v1, zaxis);
129 >      Vector3d yaxis = cross(zaxis, xaxis);
130  
131 <    for(int i = 0 ; i < histogram_.size(); ++i){
131 >      xaxis.normalize();
132 >      yaxis.normalize();
133 >      zaxis.normalize();
134  
135 <        double rLower = i * deltaR_;
136 <        double rUpper = rLower + deltaR_;
137 <        double volSlice = ( rUpper * rUpper * rUpper ) - ( rLower * rLower * rLower );
138 <        double nIdeal = volSlice * pairConstant;
139 <
140 <        for (int j = 0; j < histogram_[i].size(); ++j){
97 <            avgGofr_[i][j] += histogram_[i][j] / nIdeal;    
98 <        }
135 >      RotMat3x3d rotMat;
136 >      rotMat.setRow(0, xaxis);
137 >      rotMat.setRow(1, yaxis);
138 >      rotMat.setRow(2, zaxis);
139 >        
140 >      rotMats_.insert(std::map<int, RotMat3x3d>::value_type(sd1->getGlobalIndex(), rotMat));
141      }
100    */
101 }
142  
143 < void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
143 >  }
144  
145 <    /*
146 <    if (sd1 == sd2) {
107 <        return;
108 <    }
109 <    
145 >  void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
146 >
147      Vector3d pos1 = sd1->getPos();
148      Vector3d pos2 = sd2->getPos();
149 <    Vector3d r12 = pos1 - pos2;
150 <    currentSnapshot_->wrapVector(r12);
149 >    Vector3d r12 = pos2 - pos1;
150 >    if (usePeriodicBoundaryConditions_)
151 >      currentSnapshot_->wrapVector(r12);
152  
153 <    double distance = r12.length();
154 <    int whichRBin = distance / deltaR_;
153 >    std::map<int, RotMat3x3d>::iterator i = rotMats_.find(sd1->getGlobalIndex());
154 >    assert(i != rotMats_.end());
155 >    
156 >    Vector3d newR12 = i->second * r12;
157 >    // x, y and z's possible values range -halfLen_ to halfLen_
158 >    int xbin = int( (newR12.x() + halfLen_) / deltaR_);
159 >    int ybin = int( (newR12.y() + halfLen_) / deltaR_);
160 >    int zbin = int( (newR12.z() + halfLen_) / deltaR_);
161  
162 +    if (xbin < nRBins_ && xbin >=0 &&
163 +        ybin < nRBins_ && ybin >= 0 &&
164 +        zbin < nRBins_ && zbin >=0 ) {
165 +      ++histogram_[xbin][ybin][zbin];
166 +    }
167      
168 <    double cosAngle = evaluateAngle(sd1, sd2);
120 <    double halfBin = (nAngleBins_ - 1) * 0.5;
121 <    int whichThetaBin = halfBin * (cosAngle + 1.0)
122 <    ++histogram_[whichRBin][whichThetaBin];
123 <    
124 <    ++npairs_;
125 <    */
126 < }
168 >  }
169  
170 < void GofXyz::writeRdf() {
171 <    std::ofstream rdfStream(outputFilename_.c_str());
170 >  void GofXyz::writeRdf() {
171 >    std::ofstream rdfStream(outputFilename_.c_str(), std::ios::binary);
172      if (rdfStream.is_open()) {
173 <        rdfStream << "#radial distribution function\n";
174 <        rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
175 <        rdfStream << "selection2: (" << selectionScript2_ << ")\n";
176 <        rdfStream << "#r\tcorrValue\n";
177 <        for (int i = 0; i < histogram_.size(); ++i) {
178 <            double x = deltaR_ * (i + 0.5);
179 <
180 <            for(int j = 0; j < histogram_[i].size(); ++j) {
181 <                double y = deltaR_ * (j+ 0.5);
182 <
183 <                for(int k = 0;k < histogram_[i].size(); ++k) {
184 <                    double z = deltaR_ * (k + 0.5);
185 <                    rdfStream << x << "\t" << y << "\t" <<  z << "\t" << histogram_[i][j][k]/nProcessed_ << "\n";
144 <                }
145 <            }
146 <        }
173 >      //rdfStream << "#g(x, y, z)\n";
174 >      //rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
175 >      //rdfStream << "selection2: (" << selectionScript2_ << ")\n";
176 >      //rdfStream << "#nRBins = " << nRBins_ << "\t maxLen = "
177 >      //          << len_ << "deltaR = " << deltaR_ <<"\n";
178 >      for (unsigned int i = 0; i < histogram_.size(); ++i) {
179 >        for(unsigned int j = 0; j < histogram_[i].size(); ++j) {
180 >          for(unsigned int k = 0;k < histogram_[i][j].size(); ++k) {
181 >            rdfStream.write(reinterpret_cast<char *>( &histogram_[i][j][k] ),
182 >                            sizeof( histogram_[i][j][k] ));
183 >          }
184 >        }
185 >      }
186          
187      } else {
188  
189 <        sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str());
190 <        painCave.isFatal = 1;
191 <        simError();  
189 >      sprintf(painCave.errMsg, "GofXyz: unable to open %s\n",
190 >              outputFilename_.c_str());
191 >      painCave.isFatal = 1;
192 >      simError();  
193      }
194  
195      rdfStream.close();
196 < }
196 >  }
197  
198   }
159
160
161

Comparing trunk/src/applications/staticProps/GofXyz.cpp (property svn:keywords):
Revision 360 by tim, Thu Feb 17 16:21:07 2005 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

# Line 0 | Line 1
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