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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 1785 by jmichalk, Wed Aug 22 18:43:27 2012 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, 24107 (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 + namespace OpenMD {
49  
50 < namespace oopse {
50 >  GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, const std::string& sele3, RealType len, int nrbins)
51 >    : RadialDistrFunc(info, filename, sele1, sele2), evaluator3_(info), seleMan3_(info), len_(len), halfLen_(len/2), nRBins_(nrbins) {
52 >      setOutputName(getPrefix(filename) + ".gxyz");
53  
54 < GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, double len, int nrbins)
55 <    : RadialDistrFunc(info, filename, sele1, sele2), len_(len), nRBins_(nrbins) {
56 <    setOutputName(getPrefix(filename) + ".gxyz");
54 >      evaluator3_.loadScriptString(sele3);
55 >      if (!evaluator3_.isDynamic()) {
56 >        seleMan3_.setSelectionSet(evaluator3_.evaluate());
57 >      }    
58  
59 <    deltaR_ = len_ / nRBins_;
59 >      deltaR_ =  len_ / nRBins_;
60      
61 <    histogram_.resize(nRBins_);
62 <    for (int i = 0 ; i < nRBins_; ++i) {
61 >      histogram_.resize(nRBins_);
62 >      for (int i = 0 ; i < nRBins_; ++i) {
63          histogram_[i].resize(nRBins_);
64          for(int j = 0; j < nRBins_; ++j) {
65 <            histogram_[i][j].resize(nRBins_);
65 >          histogram_[i][j].resize(nRBins_);
66          }
67 <    }  
68 < }
67 >      }  
68 >  
69 >    }
70  
71  
72 < void GofXyz::preProcess() {
73 <    /*
74 <    for (int i = 0; i < avgGofr_.size(); ++i) {
75 <        std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0);
76 <    }
77 <    */
78 < }
72 >  void GofXyz::preProcess() {
73 >    for (int i = 0 ; i < nRBins_; ++i) {
74 >      histogram_[i].resize(nRBins_);
75 >      for(int j = 0; j < nRBins_; ++j) {
76 >        std::fill(histogram_[i][j].begin(), histogram_[i][j].end(), 0);
77 >      }
78 >    }  
79 >  }
80  
73 void GofXyz::initalizeHistogram() {
74    /*
75    npairs_ = 0;
76    for (int i = 0; i < histogram_.size(); ++i)
77        std::fill(histogram_[i].begin(), histogram_[i].end(), 0);
78    */
79 }
81  
82 +  void GofXyz::initializeHistogram() {
83 +    //calculate the center of mass of the molecule of selected stuntdouble in selection1
84  
85 < void GofXyz::processHistogram() {
85 >    if (!evaluator3_.isDynamic()) {
86 >      seleMan3_.setSelectionSet(evaluator3_.evaluate());
87 >    }    
88  
89 <    /*
90 <    double volume = info_->getSnapshotManager()->getCurrentSnapshot()->getVolume();
91 <    double pairDensity = npairs_ /volume;
92 <    double pairConstant = ( 4.0 * NumericConstant::PI * pairDensity ) / 3.0;
89 >    assert(seleMan1_.getSelectionCount() == seleMan3_.getSelectionCount());
90 >    
91 >    //dipole direction of selection3 and position of selection3 will be used to determine the y-z plane
92 >    //v1 = s3 -s1,
93 >    //z = origin.dipole
94 >    //x = v1 X z
95 >    //y = z X x
96 >    rotMats_.clear();
97  
98 <    for(int i = 0 ; i < histogram_.size(); ++i){
98 >    int i;
99 >    int j;
100 >    StuntDouble* sd1;
101 >    StuntDouble* sd3;
102 >    
103 >    for (sd1 = seleMan1_.beginSelected(i), sd3 = seleMan3_.beginSelected(j);
104 >         sd1 != NULL || sd3 != NULL;
105 >         sd1 = seleMan1_.nextSelected(i), sd3 = seleMan3_.nextSelected(j)) {
106  
107 <        double rLower = i * deltaR_;
108 <        double rUpper = rLower + deltaR_;
109 <        double volSlice = ( rUpper * rUpper * rUpper ) - ( rLower * rLower * rLower );
110 <        double nIdeal = volSlice * pairConstant;
107 >      Vector3d r3 =sd3->getPos();
108 >      Vector3d r1 = sd1->getPos();
109 >      Vector3d v1 =  r3 - r1;
110 >      if (usePeriodicBoundaryConditions_)
111 >        info_->getSnapshotManager()->getCurrentSnapshot()->wrapVector(v1);
112 >      Vector3d zaxis = sd1->getElectroFrame().getColumn(2);
113 >      Vector3d xaxis = cross(v1, zaxis);
114 >      Vector3d yaxis = cross(zaxis, xaxis);
115  
116 <        for (int j = 0; j < histogram_[i].size(); ++j){
117 <            avgGofr_[i][j] += histogram_[i][j] / nIdeal;    
118 <        }
116 >      xaxis.normalize();
117 >      yaxis.normalize();
118 >      zaxis.normalize();
119 >
120 >      RotMat3x3d rotMat;
121 >      rotMat.setRow(0, xaxis);
122 >      rotMat.setRow(1, yaxis);
123 >      rotMat.setRow(2, zaxis);
124 >        
125 >      rotMats_.insert(std::map<int, RotMat3x3d>::value_type(sd1->getGlobalIndex(), rotMat));
126      }
100    */
101 }
127  
128 < void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
128 >  }
129  
130 <    /*
131 <    if (sd1 == sd2) {
107 <        return;
108 <    }
109 <    
130 >  void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
131 >
132      Vector3d pos1 = sd1->getPos();
133      Vector3d pos2 = sd2->getPos();
134 <    Vector3d r12 = pos1 - pos2;
135 <    currentSnapshot_->wrapVector(r12);
134 >    Vector3d r12 = pos2 - pos1;
135 >    if (usePeriodicBoundaryConditions_)
136 >      currentSnapshot_->wrapVector(r12);
137  
138 <    double distance = r12.length();
139 <    int whichRBin = distance / deltaR_;
138 >    std::map<int, RotMat3x3d>::iterator i = rotMats_.find(sd1->getGlobalIndex());
139 >    assert(i != rotMats_.end());
140 >    
141 >    Vector3d newR12 = i->second * r12;
142 >    // x, y and z's possible values range -halfLen_ to halfLen_
143 >    int xbin = (newR12.x() + halfLen_) / deltaR_;
144 >    int ybin = (newR12.y() + halfLen_) / deltaR_;
145 >    int zbin = (newR12.z() + halfLen_) / deltaR_;
146  
147 +    if (xbin < nRBins_ && xbin >=0 &&
148 +        ybin < nRBins_ && ybin >= 0 &&
149 +        zbin < nRBins_ && zbin >=0 ) {
150 +      ++histogram_[xbin][ybin][zbin];
151 +    }
152      
153 <    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 < }
153 >  }
154  
155 < void GofXyz::writeRdf() {
156 <    std::ofstream rdfStream(outputFilename_.c_str());
155 >  void GofXyz::writeRdf() {
156 >    std::ofstream rdfStream(outputFilename_.c_str(), std::ios::binary);
157      if (rdfStream.is_open()) {
158 <        rdfStream << "#radial distribution function\n";
159 <        rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
160 <        rdfStream << "selection2: (" << selectionScript2_ << ")\n";
161 <        rdfStream << "#r\tcorrValue\n";
162 <        for (int i = 0; i < histogram_.size(); ++i) {
163 <            double x = deltaR_ * (i + 0.5);
164 <
165 <            for(int j = 0; j < histogram_[i].size(); ++j) {
166 <                double y = deltaR_ * (j+ 0.5);
167 <
168 <                for(int k = 0;k < histogram_[i].size(); ++k) {
169 <                    double z = deltaR_ * (k + 0.5);
143 <                    rdfStream << x << "\t" << y << "\t" <<  z << "\t" << histogram_[i][j][k]/nProcessed_ << "\n";
144 <                }
145 <            }
146 <        }
158 >      //rdfStream << "#g(x, y, z)\n";
159 >      //rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
160 >      //rdfStream << "selection2: (" << selectionScript2_ << ")\n";
161 >      //rdfStream << "#nRBins = " << nRBins_ << "\t maxLen = " << len_ << "deltaR = " << deltaR_ <<"\n";
162 >      for (unsigned int i = 0; i < histogram_.size(); ++i) {
163 >        for(unsigned int j = 0; j < histogram_[i].size(); ++j) {
164 >          for(unsigned int k = 0;k < histogram_[i][j].size(); ++k) {
165 >            rdfStream.write(reinterpret_cast<char *>(&histogram_[i][j][k] ),
166 >                            sizeof(histogram_[i][j][k] ));
167 >          }
168 >        }
169 >      }
170          
171      } else {
172  
173 <        sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str());
174 <        painCave.isFatal = 1;
175 <        simError();  
173 >      sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str());
174 >      painCave.isFatal = 1;
175 >      simError();  
176      }
177  
178      rdfStream.close();
179 < }
179 >  }
180  
181   }
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 1785 by jmichalk, Wed Aug 22 18:43:27 2012 UTC

# Line 0 | Line 1
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