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Comparing trunk/src/applications/staticProps/DensityPlot.cpp (file contents):
Revision 545 by tim, Fri May 27 21:11:24 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 <functional>
45   #include "applications/staticProps/DensityPlot.hpp"
46   #include "utils/simError.h"
47   #include "io/DumpReader.hpp"
48   #include "primitives/Molecule.hpp"
49   #include "utils/NumericConstant.hpp"
50 < namespace oopse {
50 > #include "types/LennardJonesAdapter.hpp"
51  
52 + namespace OpenMD {
53  
51 DensityPlot::DensityPlot(SimInfo* info, const std::string& filename, const std::string& sele, double len, int nrbins)
52  : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info),
53    len_(len), nRBins_(nrbins), halfLen_(len/2)     {
54  
55 +  DensityPlot::DensityPlot(SimInfo* info, const std::string& filename, const std::string& sele, const std::string& cmSele, RealType len, int nrbins)
56 +    : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info),
57 +      cmSelectionScript_(cmSele), cmEvaluator_(info), cmSeleMan_(info),    
58 +      len_(len), nRBins_(nrbins), halfLen_(len/2)     {
59 +
60      setOutputName(getPrefix(filename) + ".density");
61  
62      deltaR_ = len_ /nRBins_;  
# Line 65 | Line 70 | DensityPlot::DensityPlot(SimInfo* info, const std::str
70      if (!evaluator_.isDynamic()) {
71        seleMan_.setSelectionSet(evaluator_.evaluate());
72      }
73 +
74 +    cmEvaluator_.loadScriptString(cmSele);
75 +    if (!cmEvaluator_.isDynamic()) {
76 +      cmSeleMan_.setSelectionSet(cmEvaluator_.evaluate());
77 +    }
78      
79 +    
80    }
81  
82 < void DensityPlot::process() {
83 <  Molecule* mol;
84 <  RigidBody* rb;
85 <  SimInfo::MoleculeIterator mi;
86 <  Molecule::RigidBodyIterator rbIter;
76 <  
77 <  DumpReader reader(info_, dumpFilename_);    
78 <  int nFrames = reader.getNFrames();
82 >  void DensityPlot::process() {
83 >    Molecule* mol;
84 >    RigidBody* rb;
85 >    SimInfo::MoleculeIterator mi;
86 >    Molecule::RigidBodyIterator rbIter;
87  
88 <  for (int i = 0; i < nFrames; i += step_) {
89 <    reader.readFrame(i);
90 <    currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
88 >    DumpReader reader(info_, dumpFilename_);    
89 >    int nFrames = reader.getNFrames();
90 >    for (int i = 0; i < nFrames; i += step_) {
91 >      reader.readFrame(i);
92 >      currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
93  
94 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
94 >      for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
95          //change the positions of atoms which belong to the rigidbodies
96          for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
97 <            rb->updateAtoms();
97 >          rb->updateAtoms();
98          }
99          
100 <    }
100 >      }
101      
102 <    Vector3d cm = info_->getCom();
93 <
94 <    if (evaluator_.isDynamic()) {
102 >      if (evaluator_.isDynamic()) {
103          seleMan_.setSelectionSet(evaluator_.evaluate());
104 <    }
104 >      }
105  
106 <    int i;        
107 <    for (StuntDouble* sd = seleMan_.beginSelected(i); sd != NULL; sd = seleMan_.nextSelected(i)) {
108 <        Vector3d pos = sd->getPos() - cm;
101 <        currentSnapshot_->wrapVector(pos);
106 >      if (cmEvaluator_.isDynamic()) {
107 >        cmSeleMan_.setSelectionSet(cmEvaluator_.evaluate());
108 >      }
109  
110 <        int which = (pos.z() + halfLen_) / deltaR_;        
111 <        if (which < nRBins_ && which >=0 ) {
112 <          ++histogram_[which];
113 <        }        
110 >      Vector3d origin = calcNewOrigin();
111 >
112 >      Mat3x3d hmat = currentSnapshot_->getHmat();
113 >      RealType slabVolume = deltaR_ * hmat(0, 0) * hmat(1, 1);
114 >      int k;
115 >      for (StuntDouble* sd = seleMan_.beginSelected(k); sd != NULL; sd = seleMan_.nextSelected(k)) {
116 >
117 >
118 >        if (!sd->isAtom()) {
119 >          sprintf( painCave.errMsg, "Can not calculate electron density if it is not atom\n");
120 >          painCave.severity = OPENMD_ERROR;
121 >          painCave.isFatal = 1;
122 >          simError();
123 >        }
124 >            
125 >        Atom* atom = static_cast<Atom*>(sd);
126 >        GenericData* data = atom->getAtomType()->getPropertyByName("nelectron");
127 >        if (data == NULL) {
128 >          sprintf( painCave.errMsg, "Can not find Parameters for nelectron\n");
129 >          painCave.severity = OPENMD_ERROR;
130 >          painCave.isFatal = 1;
131 >          simError();
132 >        }
133 >            
134 >        DoubleGenericData* doubleData = dynamic_cast<DoubleGenericData*>(data);
135 >        if (doubleData == NULL) {
136 >          sprintf( painCave.errMsg,
137 >                   "Can not cast GenericData to DoubleGenericData\n");
138 >          painCave.severity = OPENMD_ERROR;
139 >          painCave.isFatal = 1;
140 >          simError();  
141 >        }
142 >            
143 >        RealType nelectron = doubleData->getData();
144 >        LennardJonesAdapter lja = LennardJonesAdapter(atom->getAtomType());
145 >        RealType sigma = lja.getSigma() * 0.5;
146 >        RealType sigma2 = sigma * sigma;
147 >            
148 >        Vector3d pos = sd->getPos() - origin;
149 >        for (int j =0; j < nRBins_; ++j) {
150 >          Vector3d tmp(pos);
151 >          RealType zdist =j * deltaR_ - halfLen_;
152 >          tmp[2] += zdist;
153 >          if (usePeriodicBoundaryConditions_)
154 >            currentSnapshot_->wrapVector(tmp);
155 >              
156 >          RealType wrappedZdist = tmp.z() + halfLen_;
157 >          if (wrappedZdist < 0.0 || wrappedZdist > len_) {
158 >            continue;
159 >          }
160 >              
161 >          int which = int(wrappedZdist / deltaR_);
162 >          density_[which] += nelectron * exp(-zdist*zdist/(sigma2*2.0)) /(slabVolume* sqrt(2*NumericConstant::PI*sigma*sigma));
163 >              
164 >        }            
165 >      }        
166      }
108        
109  }
167    
168 <  //std::vector<int>::iterator it = std::max_element(histogram_.begin(), histogram_.end());
169 <  //int maxnum = *it;
168 >    int nProcessed = nFrames /step_;
169 >    std::transform(density_.begin(), density_.end(), density_.begin(), std::bind2nd(std::divides<RealType>(), nProcessed));  
170 >    writeDensity();
171 >        
172  
114  int nProcessed = nFrames / step_;
115  int ntot = info_->getNGlobalAtoms();
116  int maxnum = ntot * nProcessed;
117  std::transform(histogram_.begin(), histogram_.end(), density_.begin(), std::bind2nd(std::divides<double>(), maxnum));
118  writeDensity();
173    
174 < }
174 >  }
175  
176 < void DensityPlot::writeDensity() {
176 >  Vector3d DensityPlot::calcNewOrigin() {
177 >
178 >    int i;
179 >    Vector3d newOrigin(0.0);
180 >    RealType totalMass = 0.0;
181 >    for (StuntDouble* sd = seleMan_.beginSelected(i); sd != NULL; sd = seleMan_.nextSelected(i)) {
182 >      RealType mass = sd->getMass();
183 >      totalMass += mass;
184 >      newOrigin += sd->getPos() * mass;        
185 >    }
186 >    newOrigin /= totalMass;
187 >    return newOrigin;
188 >  }
189 >
190 >  void DensityPlot::writeDensity() {
191      std::ofstream ofs(outputFilename_.c_str(), std::ios::binary);
192      if (ofs.is_open()) {
193        ofs << "#g(x, y, z)\n";
194 <      ofs << "#selection: (" << selectionScript_ << ")\t";
195 <      ofs << "#nRBins = " << nRBins_ << "\t maxLen = " << len_ << "deltaR = " << deltaR_ <<"\n";
196 <      for (int i = 0; i < histogram_.size(); ++i) {
197 <          ofs << i*deltaR_ - halfLen_ <<"\t" << density_[i]<< std::endl;
194 >      ofs << "#selection: (" << selectionScript_ << ")\n";
195 >      ofs << "#cmSelection:(" << cmSelectionScript_ << ")\n";
196 >      ofs << "#nRBins = " << nRBins_ << "\t maxLen = " << len_ << "\tdeltaR = " << deltaR_ <<"\n";
197 >      for (unsigned int i = 0; i < histogram_.size(); ++i) {
198 >        ofs << i*deltaR_ - halfLen_ <<"\t" << density_[i]<< std::endl;
199        }        
200      } else {
201  
# Line 138 | Line 207 | void DensityPlot::writeDensity() {
207      ofs.close();
208  
209  
210 < }
210 >  }
211  
212   }
213  

Comparing trunk/src/applications/staticProps/DensityPlot.cpp (property svn:keywords):
Revision 545 by tim, Fri May 27 21:11:24 2005 UTC vs.
Revision 1879 by gezelter, Sun Jun 16 15:15:42 2013 UTC

# Line 0 | Line 1
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