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Comparing trunk/OOPSE-4/src/applications/staticProps/P2OrderParameter.cpp (file contents):
Revision 2759 by tim, Wed May 17 21:51:42 2006 UTC vs.
Revision 3054 by gezelter, Wed Oct 18 21:58:48 2006 UTC

# Line 1 | Line 1
1 < /*
2 < * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 < *
4 < * The University of Notre Dame grants you ("Licensee") a
5 < * non-exclusive, royalty free, license to use, modify and
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
19 < *    notice, this list of conditions and the following disclaimer.
20 < *
21 < * 3. Redistributions in binary form must reproduce the above copyright
22 < *    notice, this list of conditions and the following disclaimer in the
23 < *    documentation and/or other materials provided with the
24 < *    distribution.
25 < *
26 < * This software is provided "AS IS," without a warranty of any
27 < * kind. All express or implied conditions, representations and
28 < * warranties, including any implied warranty of merchantability,
29 < * fitness for a particular purpose or non-infringement, are hereby
30 < * excluded.  The University of Notre Dame and its licensors shall not
31 < * be liable for any damages suffered by licensee as a result of
32 < * using, modifying or distributing the software or its
33 < * derivatives. In no event will the University of Notre Dame or its
34 < * licensors be liable for any lost revenue, profit or data, or for
35 < * direct, indirect, special, consequential, incidental or punitive
36 < * damages, however caused and regardless of the theory of liability,
37 < * arising out of the use of or inability to use software, even if the
38 < * University of Notre Dame has been advised of the possibility of
39 < * such damages.
40 < */
41 <
42 < #include "applications/staticProps/P2OrderParameter.hpp"
43 < #include "utils/simError.h"
44 < #include "io/DumpReader.hpp"
45 < #include "primitives/Molecule.hpp"
46 < #include "utils/NumericConstant.hpp"
47 < namespace oopse {
48 <
49 <
50 < P2OrderParameter::P2OrderParameter(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2)
51 <  : StaticAnalyser(info, filename),
52 <    selectionScript1_(sele1), selectionScript2_(sele2), evaluator1_(info), evaluator2_(info),
53 <    seleMan1_(info), seleMan2_(info){
54 <
55 <    setOutputName(getPrefix(filename) + ".p2");
56 <        
57 <    evaluator1_.loadScriptString(sele1);
58 <    evaluator2_.loadScriptString(sele2);
59 <
60 <    if (!evaluator1_.isDynamic()) {
61 <      seleMan1_.setSelectionSet(evaluator1_.evaluate());
62 <    }else {
63 <        sprintf( painCave.errMsg,
64 <                 "--sele1 must be static selection\n");
65 <        painCave.severity = OOPSE_ERROR;
66 <        painCave.isFatal = 1;
67 <        simError();  
68 <    }
69 <
70 <    if (!evaluator2_.isDynamic()) {
71 <      seleMan2_.setSelectionSet(evaluator2_.evaluate());
72 <    }else {
73 <        sprintf( painCave.errMsg,
74 <                 "--sele2 must be static selection\n");
75 <        painCave.severity = OOPSE_ERROR;
76 <        painCave.isFatal = 1;
77 <        simError();  
78 <    }
79 <
80 <    if (seleMan1_.getSelectionCount() != seleMan2_.getSelectionCount() ) {
81 <        sprintf( painCave.errMsg,
82 <                 "The number of selected Stuntdoubles are not the same in --sele1 and sele2\n");
83 <        painCave.severity = OOPSE_ERROR;
84 <        painCave.isFatal = 1;
85 <        simError();  
86 <
87 <    }
88 <
89 <  int i;
90 <  int j;
91 <  StuntDouble* sd1;
92 <  StuntDouble* sd2;
93 <  for (sd1 = seleMan1_.beginSelected(i), sd2 = seleMan2_.beginSelected(j);
94 <     sd1 != NULL && sd2 != NULL;
95 <     sd1 = seleMan1_.nextSelected(i), sd2 = seleMan2_.nextSelected(j)) {
96 <
97 <     sdPairs_.push_back(std::make_pair(sd1, sd2));
98 <  }
99 <
100 <    
101 <  }
102 <
103 < void P2OrderParameter::process() {
104 <  Molecule* mol;
105 <  RigidBody* rb;
106 <  SimInfo::MoleculeIterator mi;
107 <  Molecule::RigidBodyIterator rbIter;
108 <  
109 <  DumpReader reader(info_, dumpFilename_);    
110 <  int nFrames = reader.getNFrames();
111 <
112 <  for (int i = 0; i < nFrames; i += step_) {
113 <    reader.readFrame(i);
114 <    currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
115 <
116 <    
117 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
118 <        //change the positions of atoms which belong to the rigidbodies
119 <        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
120 <            rb->updateAtoms();
121 <        }
122 <        
123 <    }      
124 <
125 <      Mat3x3d orderTensor(0.0);
126 <      for (std::vector<std::pair<StuntDouble*, StuntDouble*> >::iterator j = sdPairs_.begin(); j != sdPairs_.end(); ++j) {
127 <          Vector3d vec = j->first->getPos() - j->second->getPos();
128 <          currentSnapshot_->wrapVector(vec);
129 <          vec.normalize();
130 <          orderTensor +=outProduct(vec, vec);
131 <      }
132 <      
133 <      orderTensor /= sdPairs_.size();
134 <      orderTensor -= (RealType)(1.0/3.0) * Mat3x3d::identity();  
135 <      
136 <      Vector3d eigenvalues;
137 <      Mat3x3d eigenvectors;    
138 <      Mat3x3d::diagonalize(orderTensor, eigenvalues, eigenvectors);
139 <      
140 <      int which;
141 <      RealType maxEval = 0.0;
142 <      for(int k = 0; k< 3; k++){
143 <        if(fabs(eigenvalues[k]) > maxEval){
144 <          which = k;
145 <          maxEval = fabs(eigenvalues[k]);
146 <        }
147 <      }
148 <      RealType p2 = 1.5 * maxEval;
149 <      
150 <      //the eigen vector is already normalized in SquareMatrix3::diagonalize
151 <      Vector3d director = eigenvectors.getColumn(which);
152 <      if (director[0] < 0) {
153 <          director.negate();
154 <      }  
155 <
156 <      RealType angle = 0.0;
157 <      for (std::vector<std::pair<StuntDouble*, StuntDouble*> >::iterator j = sdPairs_.begin(); j != sdPairs_.end(); ++j) {
158 <          Vector3d vec = j->first->getPos() - j->second->getPos();
159 <          currentSnapshot_->wrapVector(vec);
160 <          vec.normalize();
161 <
162 <          angle += acos(dot(vec, director)) ;
163 <      }
164 <      angle = angle / (sdPairs_.size() * NumericConstant::PI) * 180.0;
165 <
166 <       OrderParam param;
167 <       param.p2 = p2;
168 <       param.director = director;
169 <       param.angle = angle;
170 <
171 <        orderParams_.push_back(param);      
172 <    
173 <  }
174 <
175 <  writeP2();
176 <  
177 < }
178 <
179 < void P2OrderParameter::writeP2() {
180 <
181 <    std::ofstream os(getOutputFileName().c_str());
182 <    os << "#radial distribution function\n";
183 <    os<< "#selection1: (" << selectionScript1_ << ")\t";
184 <    os << "selection2: (" << selectionScript2_ << ")\n";
185 <    os << "#p2\tdirector_x\tdirector_y\tdiretor_z\tangle(degree)\n";    
186 <
187 <    for (std::size_t i = 0; i < orderParams_.size(); ++i) {
188 <        os <<  orderParams_[i].p2 << "\t"
189 <            <<  orderParams_[i].director[0] << "\t"
190 <            <<  orderParams_[i].director[1] << "\t"
191 <            <<  orderParams_[i].director[2] << "\t"
192 <            <<  orderParams_[i].angle << "\n";
193 <
194 <    }
195 <
196 < }
197 <
198 < }
199 <
1 > /*
2 > * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 > *
4 > * The University of Notre Dame grants you ("Licensee") a
5 > * non-exclusive, royalty free, license to use, modify and
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
19 > *    notice, this list of conditions and the following disclaimer.
20 > *
21 > * 3. Redistributions in binary form must reproduce the above copyright
22 > *    notice, this list of conditions and the following disclaimer in the
23 > *    documentation and/or other materials provided with the
24 > *    distribution.
25 > *
26 > * This software is provided "AS IS," without a warranty of any
27 > * kind. All express or implied conditions, representations and
28 > * warranties, including any implied warranty of merchantability,
29 > * fitness for a particular purpose or non-infringement, are hereby
30 > * excluded.  The University of Notre Dame and its licensors shall not
31 > * be liable for any damages suffered by licensee as a result of
32 > * using, modifying or distributing the software or its
33 > * derivatives. In no event will the University of Notre Dame or its
34 > * licensors be liable for any lost revenue, profit or data, or for
35 > * direct, indirect, special, consequential, incidental or punitive
36 > * damages, however caused and regardless of the theory of liability,
37 > * arising out of the use of or inability to use software, even if the
38 > * University of Notre Dame has been advised of the possibility of
39 > * such damages.
40 > */
41 >
42 > #include "applications/staticProps/P2OrderParameter.hpp"
43 > #include "utils/simError.h"
44 > #include "io/DumpReader.hpp"
45 > #include "primitives/Molecule.hpp"
46 > #include "utils/NumericConstant.hpp"
47 > namespace oopse {
48 >
49 >
50 >  P2OrderParameter::P2OrderParameter(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2)
51 >    : StaticAnalyser(info, filename),
52 >      selectionScript1_(sele1), selectionScript2_(sele2), evaluator1_(info), evaluator2_(info),
53 >      seleMan1_(info), seleMan2_(info){
54 >
55 >    setOutputName(getPrefix(filename) + ".p2");
56 >        
57 >    evaluator1_.loadScriptString(sele1);
58 >    evaluator2_.loadScriptString(sele2);
59 >
60 >    if (!evaluator1_.isDynamic()) {
61 >      seleMan1_.setSelectionSet(evaluator1_.evaluate());
62 >    }else {
63 >      sprintf( painCave.errMsg,
64 >               "--sele1 must be static selection\n");
65 >      painCave.severity = OOPSE_ERROR;
66 >      painCave.isFatal = 1;
67 >      simError();  
68 >    }
69 >
70 >    if (!evaluator2_.isDynamic()) {
71 >      seleMan2_.setSelectionSet(evaluator2_.evaluate());
72 >    }else {
73 >      sprintf( painCave.errMsg,
74 >               "--sele2 must be static selection\n");
75 >      painCave.severity = OOPSE_ERROR;
76 >      painCave.isFatal = 1;
77 >      simError();  
78 >    }
79 >
80 >    if (seleMan1_.getSelectionCount() != seleMan2_.getSelectionCount() ) {
81 >      sprintf( painCave.errMsg,
82 >               "The number of selected Stuntdoubles are not the same in --sele1 and sele2\n");
83 >      painCave.severity = OOPSE_ERROR;
84 >      painCave.isFatal = 1;
85 >      simError();  
86 >
87 >    }
88 >
89 >    int i;
90 >    int j;
91 >    StuntDouble* sd1;
92 >    StuntDouble* sd2;
93 >    for (sd1 = seleMan1_.beginSelected(i), sd2 = seleMan2_.beginSelected(j);
94 >         sd1 != NULL && sd2 != NULL;
95 >         sd1 = seleMan1_.nextSelected(i), sd2 = seleMan2_.nextSelected(j)) {
96 >
97 >      sdPairs_.push_back(std::make_pair(sd1, sd2));
98 >    }
99 >
100 >    
101 >  }
102 >
103 >  void P2OrderParameter::process() {
104 >    Molecule* mol;
105 >    RigidBody* rb;
106 >    SimInfo::MoleculeIterator mi;
107 >    Molecule::RigidBodyIterator rbIter;
108 >  
109 >    DumpReader reader(info_, dumpFilename_);    
110 >    int nFrames = reader.getNFrames();
111 >
112 >    for (int i = 0; i < nFrames; i += step_) {
113 >      reader.readFrame(i);
114 >      currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
115 >
116 >    
117 >      for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
118 >        //change the positions of atoms which belong to the rigidbodies
119 >        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
120 >          rb->updateAtoms();
121 >        }
122 >        
123 >      }      
124 >
125 >      Mat3x3d orderTensor(0.0);
126 >      for (std::vector<std::pair<StuntDouble*, StuntDouble*> >::iterator j = sdPairs_.begin(); j != sdPairs_.end(); ++j) {
127 >        Vector3d vec = j->first->getPos() - j->second->getPos();
128 >        if (usePeriodicBoundaryConditions_)
129 >          currentSnapshot_->wrapVector(vec);
130 >        vec.normalize();
131 >        orderTensor +=outProduct(vec, vec);
132 >      }
133 >      
134 >      orderTensor /= sdPairs_.size();
135 >      orderTensor -= (RealType)(1.0/3.0) * Mat3x3d::identity();  
136 >      
137 >      Vector3d eigenvalues;
138 >      Mat3x3d eigenvectors;    
139 >      Mat3x3d::diagonalize(orderTensor, eigenvalues, eigenvectors);
140 >      
141 >      int which;
142 >      RealType maxEval = 0.0;
143 >      for(int k = 0; k< 3; k++){
144 >        if(fabs(eigenvalues[k]) > maxEval){
145 >          which = k;
146 >          maxEval = fabs(eigenvalues[k]);
147 >        }
148 >      }
149 >      RealType p2 = 1.5 * maxEval;
150 >      
151 >      //the eigen vector is already normalized in SquareMatrix3::diagonalize
152 >      Vector3d director = eigenvectors.getColumn(which);
153 >      if (director[0] < 0) {
154 >        director.negate();
155 >      }  
156 >
157 >      RealType angle = 0.0;
158 >      for (std::vector<std::pair<StuntDouble*, StuntDouble*> >::iterator j = sdPairs_.begin(); j != sdPairs_.end(); ++j) {
159 >        Vector3d vec = j->first->getPos() - j->second->getPos();
160 >        if (usePeriodicBoundaryConditions_)
161 >          currentSnapshot_->wrapVector(vec);
162 >        vec.normalize();
163 >
164 >        angle += acos(dot(vec, director)) ;
165 >      }
166 >      angle = angle / (sdPairs_.size() * NumericConstant::PI) * 180.0;
167 >
168 >      OrderParam param;
169 >      param.p2 = p2;
170 >      param.director = director;
171 >      param.angle = angle;
172 >
173 >      orderParams_.push_back(param);      
174 >    
175 >    }
176 >
177 >    writeP2();
178 >  
179 >  }
180 >
181 >  void P2OrderParameter::writeP2() {
182 >
183 >    std::ofstream os(getOutputFileName().c_str());
184 >    os << "#radial distribution function\n";
185 >    os<< "#selection1: (" << selectionScript1_ << ")\t";
186 >    os << "selection2: (" << selectionScript2_ << ")\n";
187 >    os << "#p2\tdirector_x\tdirector_y\tdiretor_z\tangle(degree)\n";    
188 >
189 >    for (std::size_t i = 0; i < orderParams_.size(); ++i) {
190 >      os <<  orderParams_[i].p2 << "\t"
191 >         <<  orderParams_[i].director[0] << "\t"
192 >         <<  orderParams_[i].director[1] << "\t"
193 >         <<  orderParams_[i].director[2] << "\t"
194 >         <<  orderParams_[i].angle << "\n";
195 >
196 >    }
197 >
198 >  }
199 >
200 > }
201 >

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