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root/OpenMD/branches/development/src/brains/Snapshot.hpp
Revision: 1541
Committed: Fri Feb 4 20:04:56 2011 UTC (14 years, 3 months ago) by gezelter
File size: 7626 byte(s)
Log Message:
working on communicators

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# 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. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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.
16 *
17 * This software is provided "AS IS," without a warranty of any
18 * kind. All express or implied conditions, representations and
19 * warranties, including any implied warranty of merchantability,
20 * fitness for a particular purpose or non-infringement, are hereby
21 * excluded. The University of Notre Dame and its licensors shall not
22 * be liable for any damages suffered by licensee as a result of
23 * using, modifying or distributing the software or its
24 * derivatives. In no event will the University of Notre Dame or its
25 * licensors be liable for any lost revenue, profit or data, or for
26 * direct, indirect, special, consequential, incidental or punitive
27 * damages, however caused and regardless of the theory of liability,
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] Vardeman & Gezelter, in progress (2009).
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 OpenMD{
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,
73 int nCutoffGroups) : atomData(nAtoms),
74 rigidbodyData(nRigidbodies),
75 cgData(nCutoffGroups, DataStorage::dslPosition),
76 currentTime_(0),
77 orthoTolerance_(1e-6),
78 orthoRhombic_(0),
79 chi_(0.0),
80 integralOfChiDt_(0.0),
81 eta_(0.0), id_(-1), hasCOM_(false),
82 hasVolume_(false), volume_(0.0) {
83
84 }
85
86 Snapshot(int nAtoms, int nRigidbodies, int nCutoffGroups,
87 int storageLayout) : atomData(nAtoms, storageLayout),
88 rigidbodyData(nRigidbodies, storageLayout),
89 cgData(nCutoffGroups, DataStorage::dslPosition),
90 currentTime_(0), orthoTolerance_(1e-6),
91 orthoRhombic_(0), chi_(0.0),
92 integralOfChiDt_(0.0), eta_(0.0), id_(-1),
93 hasCOM_(false), hasVolume_(false),
94 volume_(0.0) {
95 }
96
97 /** Returns the id of this Snapshot */
98 int getID() {
99 return id_;
100 }
101
102 /** Sets the id of this Snapshot */
103 void setID(int id) {
104 id_ = id;
105 }
106
107 int getSize() {
108 return atomData.getSize() + rigidbodyData.getSize();
109 }
110
111 /** Returns the number of atoms */
112 int getNumberOfAtoms() {
113 return atomData.getSize();
114 }
115
116 /** Returns the number of rigid bodies */
117 int getNumberOfRigidBodies() {
118 return rigidbodyData.getSize();
119 }
120
121 /** Returns the H-Matrix */
122 Mat3x3d getHmat() {
123 return hmat_;
124 }
125
126 /** Sets the H-Matrix */
127 void setHmat(const Mat3x3d& m);
128
129 RealType getVolume() {
130 if (hasVolume_){
131 return volume_;
132 }else{
133 return hmat_.determinant();
134 }
135 }
136
137 void setVolume(RealType volume){
138 hasVolume_=true;
139 volume_ = volume;
140 }
141
142 /** Returns the inverse H-Matrix */
143 Mat3x3d getInvHmat() {
144 return invHmat_;
145 }
146
147 /** Wrapping the vector according to periodic boundary condition*/
148 void wrapVector(Vector3d& v);
149 Vector3d getCOM();
150 Vector3d getCOMvel();
151 Vector3d getCOMw();
152
153 RealType getTime() {
154 return currentTime_;
155 }
156
157 void increaseTime(RealType dt) {
158 setTime(getTime() + dt);
159 }
160
161 void setTime(RealType time) {
162 currentTime_ =time;
163 //time at statData is redundant
164 statData[Stats::TIME] = currentTime_;
165 }
166
167 RealType getChi() {
168 return chi_;
169 }
170
171 void setChi(RealType chi) {
172 chi_ = chi;
173 }
174
175 RealType getIntegralOfChiDt() {
176 return integralOfChiDt_;
177 }
178
179 void setIntegralOfChiDt(RealType integralOfChiDt) {
180 integralOfChiDt_ = integralOfChiDt;
181 }
182
183
184 void setOrthoTolerance(RealType orthoTolerance) {
185 orthoTolerance_ = orthoTolerance;
186 }
187
188 Mat3x3d getEta() {
189 return eta_;
190 }
191
192 void setEta(const Mat3x3d& eta) {
193 eta_ = eta;
194 }
195
196 bool hasCOM() {
197 return hasCOM_;
198 }
199
200 void setCOMprops(const Vector3d& COM, const Vector3d& COMvel, const Vector3d& COMw) {
201 COM_ = COM;
202 COMvel_ = COMvel;
203 COMw_ = COMw;
204 hasCOM_ = true;
205 }
206
207 Vector3d getAtomPosByIindex(int iIndex) {
208 #ifdef IS_MPI
209 return atomIData.position[iIndex];
210 #else
211 return atomData.position[iIndex];
212 #endif
213 }
214 Vector3d getAtomPosByJindex(int jIndex) {
215 #ifdef IS_MPI
216 return atomJData.position[jIndex];
217 #else
218 return atomData.position[jIndex];
219 #endif
220 }
221
222 Vector3d getCutoffGroupPosByIindex(int iIndex) {
223 #ifdef IS_MPI
224 return cgIData.position[iIndex];
225 #else
226 return cgData.position[iIndex];
227 #endif
228 }
229 Vector3d getCutoffGroupPosByJindex(int jIndex) {
230 #ifdef IS_MPI
231 return cgJData.position[jIndex];
232 #else
233 return cgData.position[jIndex];
234 #endif
235 }
236
237 DataStorage atomData;
238 DataStorage rigidbodyData;
239 DataStorage cgData;
240 Stats statData;
241
242 #ifdef IS_MPI
243 DataStorage atomIData;
244 DataStorage atomJData;
245 DataStorage cgIData;
246 DataStorage cgJData;
247 #endif
248
249
250 private:
251 RealType currentTime_;
252
253 Mat3x3d hmat_;
254 Mat3x3d invHmat_;
255 RealType orthoTolerance_;
256 int orthoRhombic_;
257 RealType volume_;
258
259 RealType chi_;
260 RealType integralOfChiDt_;
261 Mat3x3d eta_;
262 Vector3d COM_;
263 Vector3d COMvel_;
264 Vector3d COMw_;
265 int id_; /**< identification number of the snapshot */
266 bool hasCOM_;
267 bool hasVolume_;
268
269 };
270
271 typedef DataStorage (Snapshot::*DataStoragePointer);
272 }
273 #endif //BRAINS_SNAPSHOT_HPP

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