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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 1879 by gezelter, Sun Jun 16 15:15:42 2013 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 {
50 > namespace OpenMD {
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) {
54 <    setOutputName(getPrefix(filename) + ".gxyz");
52 >  GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, const std::string& sele3, RealType len, int nrbins)
53 >    : RadialDistrFunc(info, filename, sele1, sele2), evaluator3_(info), seleMan3_(info), len_(len), halfLen_(len/2), nRBins_(nrbins) {
54 >      setOutputName(getPrefix(filename) + ".gxyz");
55  
56 <    deltaR_ = len_ / nRBins_;
56 >      evaluator3_.loadScriptString(sele3);
57 >      if (!evaluator3_.isDynamic()) {
58 >        seleMan3_.setSelectionSet(evaluator3_.evaluate());
59 >      }    
60 >
61 >      deltaR_ =  len_ / nRBins_;
62      
63 <    histogram_.resize(nRBins_);
64 <    for (int i = 0 ; i < nRBins_; ++i) {
63 >      histogram_.resize(nRBins_);
64 >      for (int i = 0 ; i < nRBins_; ++i) {
65          histogram_[i].resize(nRBins_);
66          for(int j = 0; j < nRBins_; ++j) {
67 <            histogram_[i][j].resize(nRBins_);
67 >          histogram_[i][j].resize(nRBins_);
68          }
69 +      }  
70 +  
71 +    }
72 +
73 +
74 +  void GofXyz::preProcess() {
75 +    for (int i = 0 ; i < nRBins_; ++i) {
76 +      histogram_[i].resize(nRBins_);
77 +      for(int j = 0; j < nRBins_; ++j) {
78 +        std::fill(histogram_[i][j].begin(), histogram_[i][j].end(), 0);
79 +      }
80      }  
81 < }
81 >  }
82  
83  
84 < void GofXyz::preProcess() {
85 <    /*
67 <    for (int i = 0; i < avgGofr_.size(); ++i) {
68 <        std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0);
69 <    }
70 <    */
71 < }
84 >  void GofXyz::initializeHistogram() {
85 >    //calculate the center of mass of the molecule of selected stuntdouble in selection1
86  
87 < void GofXyz::initalizeHistogram() {
88 <    /*
89 <    npairs_ = 0;
76 <    for (int i = 0; i < histogram_.size(); ++i)
77 <        std::fill(histogram_[i].begin(), histogram_[i].end(), 0);
78 <    */
79 < }
87 >    if (!evaluator3_.isDynamic()) {
88 >      seleMan3_.setSelectionSet(evaluator3_.evaluate());
89 >    }    
90  
91 +    assert(seleMan1_.getSelectionCount() == seleMan3_.getSelectionCount());
92 +    
93 +    //dipole direction of selection3 and position of selection3 will be used to determine the y-z plane
94 +    //v1 = s3 -s1,
95 +    //z = origin.dipole
96 +    //x = v1 X z
97 +    //y = z X x
98 +    rotMats_.clear();
99  
100 < void GofXyz::processHistogram() {
100 >    int i;
101 >    int j;
102 >    StuntDouble* sd1;
103 >    StuntDouble* sd3;
104 >    
105 >    for (sd1 = seleMan1_.beginSelected(i), sd3 = seleMan3_.beginSelected(j);
106 >         sd1 != NULL || sd3 != NULL;
107 >         sd1 = seleMan1_.nextSelected(i), sd3 = seleMan3_.nextSelected(j)) {
108  
109 <    /*
110 <    double volume = info_->getSnapshotManager()->getCurrentSnapshot()->getVolume();
111 <    double pairDensity = npairs_ /volume;
112 <    double pairConstant = ( 4.0 * NumericConstant::PI * pairDensity ) / 3.0;
109 >      Vector3d r3 = sd3->getPos();
110 >      Vector3d r1 = sd1->getPos();
111 >      Vector3d v1 =  r3 - r1;
112 >      if (usePeriodicBoundaryConditions_)
113 >        info_->getSnapshotManager()->getCurrentSnapshot()->wrapVector(v1);
114  
115 <    for(int i = 0 ; i < histogram_.size(); ++i){
115 >      AtomType* atype1 = static_cast<Atom*>(sd1)->getAtomType();
116 >      MultipoleAdapter ma1 = MultipoleAdapter(atype1);
117  
118 <        double rLower = i * deltaR_;
119 <        double rUpper = rLower + deltaR_;
120 <        double volSlice = ( rUpper * rUpper * rUpper ) - ( rLower * rLower * rLower );
121 <        double nIdeal = volSlice * pairConstant;
118 >      Vector3d zaxis;
119 >      if (ma1.isDipole())
120 >        zaxis = sd1->getDipole();
121 >      else
122 >        zaxis = sd1->getA().transpose() * V3Z;
123  
124 <        for (int j = 0; j < histogram_[i].size(); ++j){
125 <            avgGofr_[i][j] += histogram_[i][j] / nIdeal;    
98 <        }
99 <    }
100 <    */
101 < }
124 >      Vector3d xaxis = cross(v1, zaxis);
125 >      Vector3d yaxis = cross(zaxis, xaxis);
126  
127 < void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
127 >      xaxis.normalize();
128 >      yaxis.normalize();
129 >      zaxis.normalize();
130  
131 <    /*
132 <    if (sd1 == sd2) {
133 <        return;
131 >      RotMat3x3d rotMat;
132 >      rotMat.setRow(0, xaxis);
133 >      rotMat.setRow(1, yaxis);
134 >      rotMat.setRow(2, zaxis);
135 >        
136 >      rotMats_.insert(std::map<int, RotMat3x3d>::value_type(sd1->getGlobalIndex(), rotMat));
137      }
138 <    
138 >
139 >  }
140 >
141 >  void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
142 >
143      Vector3d pos1 = sd1->getPos();
144      Vector3d pos2 = sd2->getPos();
145 <    Vector3d r12 = pos1 - pos2;
146 <    currentSnapshot_->wrapVector(r12);
145 >    Vector3d r12 = pos2 - pos1;
146 >    if (usePeriodicBoundaryConditions_)
147 >      currentSnapshot_->wrapVector(r12);
148  
149 <    double distance = r12.length();
150 <    int whichRBin = distance / deltaR_;
149 >    std::map<int, RotMat3x3d>::iterator i = rotMats_.find(sd1->getGlobalIndex());
150 >    assert(i != rotMats_.end());
151 >    
152 >    Vector3d newR12 = i->second * r12;
153 >    // x, y and z's possible values range -halfLen_ to halfLen_
154 >    int xbin = int( (newR12.x() + halfLen_) / deltaR_);
155 >    int ybin = int( (newR12.y() + halfLen_) / deltaR_);
156 >    int zbin = int( (newR12.z() + halfLen_) / deltaR_);
157  
158 +    if (xbin < nRBins_ && xbin >=0 &&
159 +        ybin < nRBins_ && ybin >= 0 &&
160 +        zbin < nRBins_ && zbin >=0 ) {
161 +      ++histogram_[xbin][ybin][zbin];
162 +    }
163      
164 <    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 < }
164 >  }
165  
166 < void GofXyz::writeRdf() {
167 <    std::ofstream rdfStream(outputFilename_.c_str());
166 >  void GofXyz::writeRdf() {
167 >    std::ofstream rdfStream(outputFilename_.c_str(), std::ios::binary);
168      if (rdfStream.is_open()) {
169 <        rdfStream << "#radial distribution function\n";
170 <        rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
171 <        rdfStream << "selection2: (" << selectionScript2_ << ")\n";
172 <        rdfStream << "#r\tcorrValue\n";
173 <        for (int i = 0; i < histogram_.size(); ++i) {
174 <            double x = deltaR_ * (i + 0.5);
175 <
176 <            for(int j = 0; j < histogram_[i].size(); ++j) {
177 <                double y = deltaR_ * (j+ 0.5);
178 <
179 <                for(int k = 0;k < histogram_[i].size(); ++k) {
180 <                    double z = deltaR_ * (k + 0.5);
143 <                    rdfStream << x << "\t" << y << "\t" <<  z << "\t" << histogram_[i][j][k]/nProcessed_ << "\n";
144 <                }
145 <            }
146 <        }
169 >      //rdfStream << "#g(x, y, z)\n";
170 >      //rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
171 >      //rdfStream << "selection2: (" << selectionScript2_ << ")\n";
172 >      //rdfStream << "#nRBins = " << nRBins_ << "\t maxLen = " << len_ << "deltaR = " << deltaR_ <<"\n";
173 >      for (unsigned int i = 0; i < histogram_.size(); ++i) {
174 >        for(unsigned int j = 0; j < histogram_[i].size(); ++j) {
175 >          for(unsigned int k = 0;k < histogram_[i][j].size(); ++k) {
176 >            rdfStream.write(reinterpret_cast<char *>(&histogram_[i][j][k] ),
177 >                            sizeof(histogram_[i][j][k] ));
178 >          }
179 >        }
180 >      }
181          
182      } else {
183  
184 <        sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str());
185 <        painCave.isFatal = 1;
186 <        simError();  
184 >      sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str());
185 >      painCave.isFatal = 1;
186 >      simError();  
187      }
188  
189      rdfStream.close();
190 < }
190 >  }
191  
192   }
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 1879 by gezelter, Sun Jun 16 15:15:42 2013 UTC

# Line 0 | Line 1
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