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root/OpenMD/trunk/src/applications/staticProps/NanoVolume.cpp
Revision: 1181
Committed: Mon Sep 17 20:11:47 2007 UTC (17 years, 7 months ago) by chuckv
File size: 4524 byte(s)
Log Message:
Testing files for NPT Langevin dynamics convex hull calculation.

File Contents

# 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     * @version $Id: NanoVolume.cpp,v 1.1 2007-09-17 20:11:47 chuckv Exp $
49     *
50     */
51    
52     #include "applications/staticProps/NanoVolume.hpp"
53     #include "math/ConvexHull.hpp"
54     #include "utils/simError.h"
55     #include "io/DumpReader.hpp"
56     #include "primitives/Molecule.hpp"
57     #include "utils/NumericConstant.hpp"
58    
59     using namespace oopse;
60    
61     NanoVolume::NanoVolume(SimInfo* info,
62     const std::string& filename,
63     const std::string& sele)
64     : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info) {
65     setOutputName(getPrefix(filename) + ".off");
66    
67     evaluator_.loadScriptString(sele);
68     if (!evaluator_.isDynamic()) {
69     seleMan_.setSelectionSet(evaluator_.evaluate());
70     }
71     }
72    
73     void NanoVolume::process() {
74    
75     Molecule* mol;
76     Atom* atom;
77     RigidBody* rb;
78     int myIndex;
79     SimInfo::MoleculeIterator mi;
80     Molecule::RigidBodyIterator rbIter;
81     Molecule::AtomIterator ai;
82     StuntDouble* sd;
83     Vector3d vec;
84     int i,j;
85    
86     ConvexHull* hull = new ConvexHull();
87    
88     DumpReader reader(info_, dumpFilename_);
89     int nFrames = reader.getNFrames();
90     frameCounter_ = 0;
91    
92     pos_.reserve(info_->getNGlobalAtoms());
93    
94     for (int istep = 0; istep < nFrames; istep += step_) {
95     reader.readFrame(istep);
96     frameCounter_++;
97     currentSnapshot_ = info_->getSnapshotManager()->getCurrentSnapshot();
98    
99     // Clear pos vector between each frame.
100     pos_.clear();
101    
102     if (evaluator_.isDynamic()) {
103     seleMan_.setSelectionSet(evaluator_.evaluate());
104     }
105    
106     // update the positions of atoms which belong to the rigidbodies
107    
108     for (mol = info_->beginMolecule(mi); mol != NULL;
109     mol = info_->nextMolecule(mi)) {
110     for (rb = mol->beginRigidBody(rbIter); rb != NULL;
111     rb = mol->nextRigidBody(rbIter)) {
112     rb->updateAtoms();
113     }
114     }
115    
116     // outer loop is over the selected StuntDoubles:
117    
118     for (sd = seleMan_.beginSelected(i); sd != NULL;
119     sd = seleMan_.nextSelected(i)) {
120    
121     pos_.push_back(sd->getPos());
122     myIndex = sd->getGlobalIndex();
123    
124     }
125     // Generate convex hull for this frame.
126     hull->genHull(pos_);
127     // RealType hullVolume = hull->getVolume();
128     //std::cout <<"The volume for this hull is: "<< hullVolume << std::endl;
129    
130     }
131     }