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root/OpenMD/branches/development/src/brains/Snapshot.hpp
Revision: 1302
Committed: Tue Oct 7 17:12:48 2008 UTC (16 years, 7 months ago) by chuckv
Original Path: trunk/src/brains/Snapshot.hpp
File size: 6450 byte(s)
Log Message:
Work continues on constant pressure langevin dynamics.

File Contents

# Content
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 /**
43 * @file Snapshot.hpp
44 * @author tlin
45 * @date 10/20/2004
46 * @time 23:56am
47 * @version 1.0
48 */
49
50 #ifndef BRAINS_SNAPSHOT_HPP
51 #define BRAINS_SNAPSHOT_HPP
52
53 #include <vector>
54
55 #include "brains/DataStorage.hpp"
56 #include "brains/Stats.hpp"
57 #include "UseTheForce/DarkSide/simulation_interface.h"
58
59
60 namespace oopse{
61
62 /**
63 * @class Snapshot Snapshot.hpp "brains/Snapshot.hpp"
64 * @brief Snapshot class is a repository class for storing dynamic data during
65 * Simulation
66 * Every snapshot class will contain one DataStorage for atoms and one DataStorage
67 * for rigid bodies.
68 */
69 class Snapshot {
70 public:
71
72 Snapshot(int nAtoms, int nRigidbodies) : atomData(nAtoms),
73 rigidbodyData(nRigidbodies),
74 currentTime_(0),
75 orthoTolerance_(1e-6),
76 orthoRhombic_(0),
77 chi_(0.0),
78 integralOfChiDt_(0.0),
79 eta_(0.0), id_(-1),
80 hasCOM_(false), hasVolume_(false), volume_(0.0) {
81
82 }
83
84 Snapshot(int nAtoms, int nRigidbodies, int storageLayout)
85 : atomData(nAtoms, storageLayout),
86 rigidbodyData(nRigidbodies, storageLayout),
87 currentTime_(0), orthoTolerance_(1e-6), orthoRhombic_(0), chi_(0.0),
88 integralOfChiDt_(0.0), eta_(0.0), id_(-1), hasCOM_(false), hasVolume_(false),volume_(0.0) {
89
90 }
91
92 /** Returns the id of this Snapshot */
93 int getID() {
94 return id_;
95 }
96
97 /** Sets the id of this Snapshot */
98 void setID(int id) {
99 id_ = id;
100 }
101
102 int getSize() {
103 return atomData.getSize() + rigidbodyData.getSize();
104 }
105
106 /** Returns the number of atoms */
107 int getNumberOfAtoms() {
108 return atomData.getSize();
109 }
110
111 /** Returns the number of rigid bodies */
112 int getNumberOfRigidBodies() {
113 return rigidbodyData.getSize();
114 }
115
116 /** Returns the H-Matrix */
117 Mat3x3d getHmat() {
118 return hmat_;
119 }
120
121 /** Sets the H-Matrix */
122 void setHmat(const Mat3x3d& m);
123
124 RealType getVolume() {
125 if (hasVolume_){
126 return volume_;
127 }else{
128 return hmat_.determinant();
129 }
130 }
131
132 void setVolume(RealType volume){
133 hasVolume_=true;
134 volume_ = volume;
135 }
136
137 /** Returns the inverse H-Matrix */
138 Mat3x3d getInvHmat() {
139 return invHmat_;
140 }
141
142 /** Wrapping the vector according to periodic boundary condition*/
143 void wrapVector(Vector3d& v);
144 Vector3d getCOM();
145 Vector3d getCOMvel();
146 Vector3d getCOMw();
147
148 RealType getTime() {
149 return currentTime_;
150 }
151
152 void increaseTime(RealType dt) {
153 setTime(getTime() + dt);
154 }
155
156 void setTime(RealType time) {
157 currentTime_ =time;
158 //time at statData is redundant
159 statData[Stats::TIME] = currentTime_;
160 }
161
162 RealType getChi() {
163 return chi_;
164 }
165
166 void setChi(RealType chi) {
167 chi_ = chi;
168 }
169
170 RealType getIntegralOfChiDt() {
171 return integralOfChiDt_;
172 }
173
174 void setIntegralOfChiDt(RealType integralOfChiDt) {
175 integralOfChiDt_ = integralOfChiDt;
176 }
177
178
179 void setOrthoTolerance(RealType orthoTolerance) {
180 orthoTolerance_ = orthoTolerance;
181 }
182
183 Mat3x3d getEta() {
184 return eta_;
185 }
186
187 void setEta(const Mat3x3d& eta) {
188 eta_ = eta;
189 }
190
191 bool hasCOM() {
192 return hasCOM_;
193 }
194
195 void setCOMprops(const Vector3d& COM, const Vector3d& COMvel, const Vector3d& COMw) {
196 COM_ = COM;
197 COMvel_ = COMvel;
198 COMw_ = COMw;
199 hasCOM_ = true;
200 }
201
202 DataStorage atomData;
203 DataStorage rigidbodyData;
204 Stats statData;
205
206 private:
207 RealType currentTime_;
208
209 Mat3x3d hmat_;
210 Mat3x3d invHmat_;
211 RealType orthoTolerance_;
212 int orthoRhombic_;
213 RealType volume_;
214
215 RealType chi_;
216 RealType integralOfChiDt_;
217 Mat3x3d eta_;
218 Vector3d COM_;
219 Vector3d COMvel_;
220 Vector3d COMw_;
221 int id_; /**< identification number of the snapshot */
222 bool hasCOM_;
223 bool hasVolume_;
224
225 };
226
227 typedef DataStorage (Snapshot::*DataStoragePointer);
228 }
229 #endif //BRAINS_SNAPSHOT_HPP