applications/staticProps/NanoVolume.cpp

/* Copyright (c) 2006 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.
 *
 *
 *  NanoVolume.cpp
 *
 *  Purpose: To calculate convexhull, hull volume and radius
 *  using the CGAL library.
 *
 *  Created by Charles F. Vardeman II on 14 Dec 2006.
 *  @author  Charles F. Vardeman II
 *  @version $Id: NanoVolume.cpp,v 1.7 2008-09-14 01:32:23 chuckv Exp $
 *
 */

#include "applications/staticProps/NanoVolume.hpp"
#include "math/ConvexHull.hpp"
//#include "math/AlphaShape.hpp"
#include "utils/simError.h"
#include "io/DumpReader.hpp"
#include "primitives/Molecule.hpp"
#include "utils/NumericConstant.hpp"

using namespace oopse;

NanoVolume::NanoVolume(SimInfo* info,
                       const std::string& filename,
                       const std::string& sele)
  : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info) {
  setOutputName(getPrefix(filename) + ".avol");
  
  evaluator_.loadScriptString(sele);
  if (!evaluator_.isDynamic()) {
    seleMan_.setSelectionSet(evaluator_.evaluate());
  }
  frameCounter_ = 0;
  totalVolume_ = 0.0;
}

void NanoVolume::process() {
#if defined(HAVE_CGAL) || defined(HAVE_QHULL)
  Molecule* mol;
  Atom* atom;
  RigidBody* rb;
  int myIndex;
  SimInfo::MoleculeIterator mi;
  Molecule::RigidBodyIterator rbIter;
  Molecule::AtomIterator ai;
  StuntDouble* sd;
  Vector3d vec;
  int i,j;

#ifdef HAVE_QHULL
  ConvexHull* thishull = new ConvexHull();
#endif
#ifdef HAVE_CGAL
  //  AlphaShape* hull = new AlphaShape();
  ConvexHull* thishull = new ConvexHull();
#endif

  DumpReader reader(info_, dumpFilename_);
  int nFrames = reader.getNFrames();
  frameCounter_ = 0;

  theAtoms_.reserve(info_->getNGlobalAtoms());

  for (int istep = 0; istep < nFrames; istep += step_) {
    reader.readFrame(istep);
    frameCounter_++;
    currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
    
    // Clear pos vector between each frame.
    theAtoms_.clear();
    
    if (evaluator_.isDynamic()) {
      seleMan_.setSelectionSet(evaluator_.evaluate());
    }
    
    // update the positions of atoms which belong to the rigidbodies
    
    for (mol = info_->beginMolecule(mi); mol != NULL;
         mol = info_->nextMolecule(mi)) {
      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
           rb = mol->nextRigidBody(rbIter)) {   
        rb->updateAtoms();
      }
    }
    
    // outer loop is over the selected StuntDoubles:
    /*
    for (sd = seleMan_.beginSelected(i); sd != NULL;
            sd = seleMan_.nextSelected(i)) {
      
      pos_.push_back(sd->getPos());
      myIndex = sd->getGlobalIndex();
      
    }
    */
    for (mol = info_->beginMolecule(mi); mol != NULL; 
                 mol = info_->nextMolecule(mi)) {
              for (atom = mol->beginAtom(ai); atom != NULL; 
                   atom = mol->nextAtom(ai)) {
                     theAtoms_.push_back(atom);
              }
            }
    
    // Generate convex hull for this frame.
    thishull->computeHull(theAtoms_);
  //  totalVolume_ += hull->getVolume();                
  }
  //RealType avgVolume = totalVolume_/(RealType) frameCounter_;
  //std::cout.precision(7);
  //std::cout  << avgVolume << std::endl;
/*
  std::ofstream osq(getOutputFileName().c_str());
  osq.precision(7);
  if (osq.is_open()){
      osq << avgVolume << std::endl;

  }
  osq.close();
*/
#else
  sprintf(painCave.errMsg, "NanoVolume: Neither CGAL nor qhull support was compiled in!\n");
  painCave.isFatal = 1;
  simError();  

#endif

}
Revision:	1293
Committed:	Sun Sep 14 01:32:26 2008 UTC (17 years, 1 month ago) by chuckv
File size:	5469 byte(s)
Log Message:	Added large quantities of code for convex hull and constant pressure langevin dynamics.
#	User	Rev	Content
1	chuckv	1181	/* Copyright (c) 2006 The University of Notre Dame. All Rights Reserved.
2			*
3			* The University of Notre Dame grants you ("Licensee") a
4			* non-exclusive, royalty free, license to use, modify and
5			* redistribute this software in source and binary code form, provided
6			* that the following conditions are met:
7			*
8			* 1. Acknowledgement of the program authors must be made in any
9			* publication of scientific results based in part on use of the
10			* program. An acceptable form of acknowledgement is citation of
11			* the article in which the program was described (Matthew
12			* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
13			* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
14			* Parallel Simulation Engine for Molecular Dynamics,"
15			* J. Comput. Chem. 26, pp. 252-271 (2005))
16			*
17			* 2. Redistributions of source code must retain the above copyright
18			* notice, this list of conditions and the following disclaimer.
19			*
20			* 3. Redistributions in binary form must reproduce the above copyright
21			* notice, this list of conditions and the following disclaimer in the
22			* documentation and/or other materials provided with the
23			* distribution.
24			*
25			* This software is provided "AS IS," without a warranty of any
26			* kind. All express or implied conditions, representations and
27			* warranties, including any implied warranty of merchantability,
28			* fitness for a particular purpose or non-infringement, are hereby
29			* excluded. The University of Notre Dame and its licensors shall not
30			* be liable for any damages suffered by licensee as a result of
31			* using, modifying or distributing the software or its
32			* derivatives. In no event will the University of Notre Dame or its
33			* licensors be liable for any lost revenue, profit or data, or for
34			* direct, indirect, special, consequential, incidental or punitive
35			* damages, however caused and regardless of the theory of liability,
36			* arising out of the use of or inability to use software, even if the
37			* University of Notre Dame has been advised of the possibility of
38			* such damages.
39			*
40			*
41			* NanoVolume.cpp
42			*
43			* Purpose: To calculate convexhull, hull volume and radius
44			* using the CGAL library.
45			*
46			* Created by Charles F. Vardeman II on 14 Dec 2006.
47			* @author Charles F. Vardeman II
48	chuckv	1293	* @version $Id: NanoVolume.cpp,v 1.7 2008-09-14 01:32:23 chuckv Exp $
49	chuckv	1181	*
50			*/
51
52			#include "applications/staticProps/NanoVolume.hpp"
53			#include "math/ConvexHull.hpp"
54	chuckv	1293	//#include "math/AlphaShape.hpp"
55	chuckv	1181	#include "utils/simError.h"
56			#include "io/DumpReader.hpp"
57			#include "primitives/Molecule.hpp"
58			#include "utils/NumericConstant.hpp"
59
60			using namespace oopse;
61
62			NanoVolume::NanoVolume(SimInfo* info,
63			const std::string& filename,
64			const std::string& sele)
65			: StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info) {
66	chuckv	1194	setOutputName(getPrefix(filename) + ".avol");
67	chuckv	1181
68			evaluator_.loadScriptString(sele);
69			if (!evaluator_.isDynamic()) {
70			seleMan_.setSelectionSet(evaluator_.evaluate());
71			}
72	chuckv	1188	frameCounter_ = 0;
73			totalVolume_ = 0.0;
74	chuckv	1181	}
75
76			void NanoVolume::process() {
77	chuckv	1199	#if defined(HAVE_CGAL) \|\| defined(HAVE_QHULL)
78	chuckv	1181	Molecule* mol;
79			Atom* atom;
80			RigidBody* rb;
81			int myIndex;
82			SimInfo::MoleculeIterator mi;
83			Molecule::RigidBodyIterator rbIter;
84			Molecule::AtomIterator ai;
85			StuntDouble* sd;
86			Vector3d vec;
87			int i,j;
88
89	chuckv	1199	#ifdef HAVE_QHULL
90	chuckv	1293	ConvexHull* thishull = new ConvexHull();
91	chuckv	1199	#endif
92			#ifdef HAVE_CGAL
93	chuckv	1293	// AlphaShape* hull = new AlphaShape();
94			ConvexHull* thishull = new ConvexHull();
95	chuckv	1199	#endif
96	chuckv	1181
97			DumpReader reader(info_, dumpFilename_);
98			int nFrames = reader.getNFrames();
99			frameCounter_ = 0;
100
101	chuckv	1293	theAtoms_.reserve(info_->getNGlobalAtoms());
102	chuckv	1181
103			for (int istep = 0; istep < nFrames; istep += step_) {
104			reader.readFrame(istep);
105			frameCounter_++;
106			currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
107
108			// Clear pos vector between each frame.
109	chuckv	1293	theAtoms_.clear();
110	chuckv	1181
111			if (evaluator_.isDynamic()) {
112			seleMan_.setSelectionSet(evaluator_.evaluate());
113			}
114
115			// update the positions of atoms which belong to the rigidbodies
116
117			for (mol = info_->beginMolecule(mi); mol != NULL;
118			mol = info_->nextMolecule(mi)) {
119			for (rb = mol->beginRigidBody(rbIter); rb != NULL;
120			rb = mol->nextRigidBody(rbIter)) {
121			rb->updateAtoms();
122			}
123			}
124
125			// outer loop is over the selected StuntDoubles:
126	chuckv	1293	/*
127	chuckv	1181	for (sd = seleMan_.beginSelected(i); sd != NULL;
128	chuckv	1293	sd = seleMan_.nextSelected(i)) {
129	chuckv	1181
130			pos_.push_back(sd->getPos());
131			myIndex = sd->getGlobalIndex();
132
133			}
134	chuckv	1293	*/
135			for (mol = info_->beginMolecule(mi); mol != NULL;
136			mol = info_->nextMolecule(mi)) {
137			for (atom = mol->beginAtom(ai); atom != NULL;
138			atom = mol->nextAtom(ai)) {
139			theAtoms_.push_back(atom);
140			}
141			}
142
143	chuckv	1181	// Generate convex hull for this frame.
144	chuckv	1293	thishull->computeHull(theAtoms_);
145	chuckv	1207	// totalVolume_ += hull->getVolume();
146	chuckv	1181	}
147	chuckv	1207	//RealType avgVolume = totalVolume_/(RealType) frameCounter_;
148	chuckv	1194	//std::cout.precision(7);
149			//std::cout << avgVolume << std::endl;
150	chuckv	1207	/*
151	chuckv	1194	std::ofstream osq(getOutputFileName().c_str());
152			osq.precision(7);
153			if (osq.is_open()){
154			osq << avgVolume << std::endl;
155
156			}
157			osq.close();
158	chuckv	1207	*/
159	cpuglis	1195	#else
160	chuckv	1199	sprintf(painCave.errMsg, "NanoVolume: Neither CGAL nor qhull support was compiled in!\n");
161	cpuglis	1195	painCave.isFatal = 1;
162			simError();
163	chuckv	1207
164	cpuglis	1195	#endif
165	chuckv	1207
166	chuckv	1181	}