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root/OpenMD/trunk/src/applications/staticProps/GofXyz.cpp

Comparing trunk/src/applications/staticProps/GofXyz.cpp (file contents):
Revision 311 by tim, Thu Feb 10 22:37:21 2005 UTC vs.
Revision 1782 by gezelter, Wed Aug 22 02:28:28 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)
55	<	: RadialDistrFunc(info, filename, sele1, sele2){
56	<	setOutputName(getPrefix(filename) + ".gxyz");
54	>	evaluator3_.loadScriptString(sele3);
55	>	if (!evaluator3_.isDynamic()) {
56	>	seleMan3_.setSelectionSet(evaluator3_.evaluate());
57	>	}
58
59	<	}
59	>	deltaR_ =  len_ / nRBins_;
60	>
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_);
66	>	}
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
64	–	void GofXyz::initalizeHistogram() {
65	–	/*
66	–	npairs_ = 0;
67	–	for (int i = 0; i < histogram_.size(); ++i)
68	–	std::fill(histogram_[i].begin(), histogram_[i].end(), 0);
69	–	*/
70	–	}
81
82	+	void GofXyz::initalizeHistogram() {
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		}
91	–	*/
92	–	}
127
128	<	void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) {
128	>	}
129
130	<	/*
131	<	if (sd1 == sd2) {
98	<	return;
99	<	}
100	<
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);
111	<	double halfBin = (nAngleBins_ - 1) * 0.5;
112	<	int whichThetaBin = halfBin * (cosAngle + 1.0)
113	<	++histogram_[whichRBin][whichThetaBin];
114	<
115	<	++npairs_;
116	<	*/
117	<	}
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);
134	<	rdfStream << x << "\t" << y << "\t" <<  z << "\t" << histogram_[i][j][k]/nProcessed_ << "\n";
135	<	}
136	<	}
137	<	}
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	<
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		}
148	–
149	–
150	–

Comparing trunk/src/applications/staticProps/GofXyz.cpp (property svn:keywords):
Revision 311 by tim, Thu Feb 10 22:37:21 2005 UTC vs.
Revision 1782 by gezelter, Wed Aug 22 02:28:28 2012 UTC

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