applications/dynamicProps/TimeCorrFunc.cpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Acknowledgement of the program authors must be made in any
 *    publication of scientific results based in part on use of the
 *    program.  An acceptable form of acknowledgement is citation of
 *    the article in which the program was described (Matthew
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
 *    Parallel Simulation Engine for Molecular Dynamics,"
 *    J. Comput. Chem. 26, pp. 252-271 (2005))
 *
 * 2. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 3. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 */

#include "applications/dynamicProps/TimeCorrFunc.hpp"
#include "utils/simError.h"
#include "primitives/Molecule.hpp"
namespace oopse {

TimeCorrFunc::TimeCorrFunc(SimInfo* info, const std::string& filename, 
    const std::string& sele1, const std::string& sele2, int storageLayout)
    : info_(info), storageLayout_(storageLayout), dumpFilename_(filename), selectionScript1_(sele1),
      selectionScript2_(sele2), evaluator1_(info), evaluator2_(info), seleMan1_(info), seleMan2_(info){

    int nAtoms = info->getNGlobalAtoms();
    int nRigidBodies = info->getNGlobalRigidBodies();
    int nStuntDoubles =   nAtoms + nRigidBodies;

    std::set<AtomType*> atomTypes = info->getUniqueAtomTypes();
    std::set<AtomType*>::iterator i;
    bool hasDirectionalAtom = false;
    bool hasMultipole = false;    
    for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
        if ((*i)->isDirectional()){
            hasDirectionalAtom = true;
        }
        if ((*i)->isMultipole()){
            hasMultipole = true;
        }
    }
    
    if (nRigidBodies > 0 || hasDirectionalAtom) {
        storageLayout_ |= DataStorage::dslAmat;
    }
    if (hasMultipole) {
        storageLayout_ |= DataStorage::dslElectroFrame;
        if (nRigidBodies > 0) { 
            storageLayout_ |= DataStorage::dslAngularMomentum;        
        }
    }
    if(nRigidBodies > 0 && storageLayout_ & DataStorage::dslVelocity) {
        storageLayout_ |= DataStorage::dslAngularMomentum;
    }
        
    bsMan_ = new BlockSnapshotManager(info, dumpFilename_, storageLayout_);
    info_->setSnapshotManager(bsMan_);

    evaluator1_.loadScriptString(selectionScript1_);
    evaluator2_.loadScriptString(selectionScript2_);
    
    //if selection is static, we only need to evaluate it once
    if (!evaluator1_.isDynamic()) {
        seleMan1_.setSelectionSet(evaluator1_.evaluate());
        validateSelection(seleMan1_);
    } else {
            sprintf(painCave.errMsg,
                "TimeCorrFunc Error: dynamic selection is not supported\n");
            painCave.isFatal = 1;
            simError();  
    }
    
    if (!evaluator2_.isDynamic()) {
        seleMan2_.setSelectionSet(evaluator2_.evaluate());
        validateSelection(seleMan2_);
    } else {
            sprintf(painCave.errMsg,
                "TimeCorrFunc Error: dynamic selection is not supported\n");
            painCave.isFatal = 1;
            simError();  
    }
    

    /**@todo Fix Me */
    Globals* simParams = info_->getSimParams();
    if (simParams->haveSampleTime()){
        deltaTime_ = simParams->getSampleTime();
    } else {
            sprintf(painCave.errMsg,
                "TimeCorrFunc::writeCorrelate Error: can not figure out deltaTime\n");
            painCave.isFatal = 1;
            simError();  
    }

    int nframes =  bsMan_->getNFrames();
    nTimeBins_ = nframes;
    histogram_.resize(nTimeBins_);
    count_.resize(nTimeBins_);
    time_.resize(nTimeBins_);

    for (int i = 0; i < nTimeBins_; ++i) {
        time_[i] = i * deltaTime_;
    }
    
}


void TimeCorrFunc::doCorrelate() {
    preCorrelate();

    int nblocks = bsMan_->getNBlocks();

    for (int i = 0; i < nblocks; ++i) {
        bsMan_->loadBlock(i);

        for (int j = i; j < nblocks; ++j) {
            bsMan_->loadBlock(j);
            correlateBlocks(i, j);
            bsMan_->unloadBlock(j);
        }
        
        bsMan_->unloadBlock(i);
    }
    
    postCorrelate();

    writeCorrelate();
}

void TimeCorrFunc::correlateBlocks(int block1, int block2) {

    int jstart, jend;

    assert(bsMan_->isBlockActive(block1) && bsMan_->isBlockActive(block2));

    SnapshotBlock snapshotBlock1 = bsMan_->getSnapshotBlock(block1);
    SnapshotBlock snapshotBlock2 = bsMan_->getSnapshotBlock(block2);

    jend = snapshotBlock2.second;

    for (int i = snapshotBlock1.first; i < snapshotBlock1.second; ++i) {

        //update the position or velocity of the atoms belong to rigid bodies
        updateFrame(i);

        // if the two blocks are the same, we don't want to correlate
        // backwards in time, so start j at the same frame as i
        if (block1 == block2) {
        jstart = i;
        } else {
            jstart = snapshotBlock2.first;
        }
        
        for(int j  = jstart; j < jend; ++j) {
            //update the position or velocity of the atoms belong to rigid bodies
            updateFrame(j);

            correlateFrames(i, j);
        }
    }
}

void TimeCorrFunc::updateFrame(int frame){
    Molecule* mol;
    RigidBody* rb;
    SimInfo::MoleculeIterator mi;
    Molecule::RigidBodyIterator rbIter;

    /** @todo need improvement */    
    if (storageLayout_ & DataStorage::dslPosition) {
        for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {

            //change the positions of atoms which belong to the rigidbodies
            for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
                rb->updateAtoms(frame);
            }
        }        
    }

    if (storageLayout_ & DataStorage::dslVelocity) {
        for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {

            //change the positions of atoms which belong to the rigidbodies
            for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
                rb->updateAtomVel(frame);
            }
        }
        
    }
    
}


void TimeCorrFunc::preCorrelate() {
    std::fill(histogram_.begin(), histogram_.end(), 0.0);
    std::fill(count_.begin(), count_.end(), 0);
}

void TimeCorrFunc::postCorrelate() {
    for (int i =0 ; i < nTimeBins_; ++i) {
        if (count_[i] > 0) {
            histogram_[i] /= count_[i];
        }
    }
}


void TimeCorrFunc::writeCorrelate() {
    std::ofstream ofs(outputFilename_.c_str());

    if (ofs.is_open()) {

        ofs << "#" << getCorrFuncType() << "\n";
        ofs << "#selection script1: \"" << selectionScript1_ <<"\"\tselection script2: \"" << selectionScript2_ << "\"\n";
        ofs << "#extra information: " << extra_ << "\n";
        ofs << "#time\tcorrVal\n";

        for (int i = 0; i < nTimeBins_; ++i) {
            ofs << time_[i] << "\t" << histogram_[i] << "\n";
        }
            
    } else {
            sprintf(painCave.errMsg,
                "TimeCorrFunc::writeCorrelate Error: fail to open %s\n", outputFilename_.c_str());
            painCave.isFatal = 1;
            simError();        
    }

    ofs.close();    
}

}
Revision:	2037
Committed:	Wed Feb 16 19:36:30 2005 UTC (19 years, 5 months ago) by tim
File size:	8632 byte(s)
Log Message:	change the suffix of output files;fix the problem of counting in staticProps
#	User	Rev	Content
1	tim	2017	/*
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/dynamicProps/TimeCorrFunc.hpp"
43			#include "utils/simError.h"
44			#include "primitives/Molecule.hpp"
45			namespace oopse {
46
47			TimeCorrFunc::TimeCorrFunc(SimInfo* info, const std::string& filename,
48			const std::string& sele1, const std::string& sele2, int storageLayout)
49			: info_(info), storageLayout_(storageLayout), dumpFilename_(filename), selectionScript1_(sele1),
50			selectionScript2_(sele2), evaluator1_(info), evaluator2_(info), seleMan1_(info), seleMan2_(info){
51
52			int nAtoms = info->getNGlobalAtoms();
53			int nRigidBodies = info->getNGlobalRigidBodies();
54			int nStuntDoubles = nAtoms + nRigidBodies;
55
56			std::set<AtomType*> atomTypes = info->getUniqueAtomTypes();
57			std::set<AtomType*>::iterator i;
58			bool hasDirectionalAtom = false;
59			bool hasMultipole = false;
60			for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
61			if ((*i)->isDirectional()){
62			hasDirectionalAtom = true;
63			}
64			if ((*i)->isMultipole()){
65			hasMultipole = true;
66			}
67			}
68
69			if (nRigidBodies > 0 \|\| hasDirectionalAtom) {
70			storageLayout_ \|= DataStorage::dslAmat;
71			}
72			if (hasMultipole) {
73			storageLayout_ \|= DataStorage::dslElectroFrame;
74			if (nRigidBodies > 0) {
75			storageLayout_ \|= DataStorage::dslAngularMomentum;
76			}
77			}
78	tim	2037	if(nRigidBodies > 0 && storageLayout_ & DataStorage::dslVelocity) {
79			storageLayout_ \|= DataStorage::dslAngularMomentum;
80			}
81	tim	2017
82			bsMan_ = new BlockSnapshotManager(info, dumpFilename_, storageLayout_);
83			info_->setSnapshotManager(bsMan_);
84
85	tim	2018	evaluator1_.loadScriptString(selectionScript1_);
86			evaluator2_.loadScriptString(selectionScript2_);
87
88	tim	2017	//if selection is static, we only need to evaluate it once
89			if (!evaluator1_.isDynamic()) {
90			seleMan1_.setSelectionSet(evaluator1_.evaluate());
91			validateSelection(seleMan1_);
92			} else {
93			sprintf(painCave.errMsg,
94			"TimeCorrFunc Error: dynamic selection is not supported\n");
95			painCave.isFatal = 1;
96			simError();
97			}
98
99			if (!evaluator2_.isDynamic()) {
100			seleMan2_.setSelectionSet(evaluator2_.evaluate());
101			validateSelection(seleMan2_);
102			} else {
103			sprintf(painCave.errMsg,
104			"TimeCorrFunc Error: dynamic selection is not supported\n");
105			painCave.isFatal = 1;
106			simError();
107			}
108
109
110
111	tim	2018	/*@todo Fix Me /
112	tim	2017	Globals* simParams = info_->getSimParams();
113			if (simParams->haveSampleTime()){
114			deltaTime_ = simParams->getSampleTime();
115			} else {
116			sprintf(painCave.errMsg,
117			"TimeCorrFunc::writeCorrelate Error: can not figure out deltaTime\n");
118			painCave.isFatal = 1;
119			simError();
120			}
121
122			int nframes = bsMan_->getNFrames();
123			nTimeBins_ = nframes;
124			histogram_.resize(nTimeBins_);
125			count_.resize(nTimeBins_);
126			time_.resize(nTimeBins_);
127
128			for (int i = 0; i < nTimeBins_; ++i) {
129			time_[i] = i * deltaTime_;
130			}
131
132			}
133
134
135			void TimeCorrFunc::doCorrelate() {
136			preCorrelate();
137
138			int nblocks = bsMan_->getNBlocks();
139
140			for (int i = 0; i < nblocks; ++i) {
141			bsMan_->loadBlock(i);
142	tim	2035
143	tim	2017	for (int j = i; j < nblocks; ++j) {
144			bsMan_->loadBlock(j);
145			correlateBlocks(i, j);
146	tim	2035	bsMan_->unloadBlock(j);
147	tim	2017	}
148	tim	2035
149	tim	2017	bsMan_->unloadBlock(i);
150			}
151
152			postCorrelate();
153
154			writeCorrelate();
155			}
156
157			void TimeCorrFunc::correlateBlocks(int block1, int block2) {
158
159	tim	2018	int jstart, jend;
160	tim	2017
161	tim	2018	assert(bsMan_->isBlockActive(block1) && bsMan_->isBlockActive(block2));
162	tim	2017
163	tim	2018	SnapshotBlock snapshotBlock1 = bsMan_->getSnapshotBlock(block1);
164			SnapshotBlock snapshotBlock2 = bsMan_->getSnapshotBlock(block2);
165	tim	2017
166	tim	2018	jend = snapshotBlock2.second;
167
168			for (int i = snapshotBlock1.first; i < snapshotBlock1.second; ++i) {
169
170			//update the position or velocity of the atoms belong to rigid bodies
171			updateFrame(i);
172
173			// if the two blocks are the same, we don't want to correlate
174			// backwards in time, so start j at the same frame as i
175			if (block1 == block2) {
176			jstart = i;
177			} else {
178			jstart = snapshotBlock2.first;
179			}
180
181			for(int j = jstart; j < jend; ++j) {
182			//update the position or velocity of the atoms belong to rigid bodies
183			updateFrame(j);
184
185			correlateFrames(i, j);
186			}
187	tim	2017	}
188			}
189
190			void TimeCorrFunc::updateFrame(int frame){
191			Molecule* mol;
192			RigidBody* rb;
193			SimInfo::MoleculeIterator mi;
194			Molecule::RigidBodyIterator rbIter;
195
196			/** @todo need improvement */
197			if (storageLayout_ & DataStorage::dslPosition) {
198			for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
199
200			//change the positions of atoms which belong to the rigidbodies
201			for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
202			rb->updateAtoms(frame);
203			}
204			}
205			}
206
207			if (storageLayout_ & DataStorage::dslVelocity) {
208			for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
209
210			//change the positions of atoms which belong to the rigidbodies
211			for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
212			rb->updateAtomVel(frame);
213			}
214			}
215
216			}
217
218			}
219
220
221			void TimeCorrFunc::preCorrelate() {
222			std::fill(histogram_.begin(), histogram_.end(), 0.0);
223			std::fill(count_.begin(), count_.end(), 0);
224			}
225
226			void TimeCorrFunc::postCorrelate() {
227			for (int i =0 ; i < nTimeBins_; ++i) {
228			if (count_[i] > 0) {
229			histogram_[i] /= count_[i];
230			}
231			}
232			}
233
234
235			void TimeCorrFunc::writeCorrelate() {
236			std::ofstream ofs(outputFilename_.c_str());
237
238			if (ofs.is_open()) {
239
240			ofs << "#" << getCorrFuncType() << "\n";
241			ofs << "#selection script1: \"" << selectionScript1_ <<"\"\tselection script2: \"" << selectionScript2_ << "\"\n";
242			ofs << "#extra information: " << extra_ << "\n";
243			ofs << "#time\tcorrVal\n";
244
245			for (int i = 0; i < nTimeBins_; ++i) {
246			ofs << time_[i] << "\t" << histogram_[i] << "\n";
247			}
248
249			} else {
250			sprintf(painCave.errMsg,
251			"TimeCorrFunc::writeCorrelate Error: fail to open %s\n", outputFilename_.c_str());
252			painCave.isFatal = 1;
253			simError();
254			}
255
256			ofs.close();
257			}
258
259			}