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root/OpenMD/branches/development/src/visitors/AtomVisitor.cpp
Revision: 1872
Committed: Fri May 10 15:10:41 2013 UTC (11 years, 11 months ago) by gezelter
File size: 6680 byte(s)
Log Message:
Fixed a minor visitor bug

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. 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, 234107 (2008).
39 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 #include <cstring>
44 #include "visitors/AtomVisitor.hpp"
45 #include "primitives/DirectionalAtom.hpp"
46 #include "primitives/RigidBody.hpp"
47 #include "types/FixedChargeAdapter.hpp"
48 #include "types/FluctuatingChargeAdapter.hpp"
49 #include "types/MultipoleAdapter.hpp"
50 #include "types/GayBerneAdapter.hpp"
51
52 namespace OpenMD {
53 void BaseAtomVisitor::visit(RigidBody *rb) {
54 //vector<Atom*> myAtoms;
55 //vector<Atom*>::iterator atomIter;
56
57 //myAtoms = rb->getAtoms();
58
59 //for(atomIter = myAtoms.begin(); atomIter != myAtoms.end(); ++atomIter)
60 // (*atomIter)->accept(this);
61 }
62
63 void BaseAtomVisitor::setVisited(Atom *atom) {
64 GenericData *data;
65 data = atom->getPropertyByName("VISITED");
66
67 //if visited property is not existed, add it as new property
68 if (data == NULL) {
69 data = new GenericData();
70 data->setID("VISITED");
71 atom->addProperty(data);
72 }
73 }
74
75 bool BaseAtomVisitor::isVisited(Atom *atom) {
76 GenericData *data;
77 data = atom->getPropertyByName("VISITED");
78 return data == NULL ? false : true;
79 }
80
81 //------------------------------------------------------------------------//
82
83 void DefaultAtomVisitor::visit(Atom *atom) {
84 AtomData *atomData;
85 AtomInfo *atomInfo;
86 AtomType* atype = atom->getAtomType();
87
88 if (isVisited(atom))
89 return;
90
91 atomInfo = new AtomInfo;
92 atomInfo->atomTypeName = atom->getType();
93 atomInfo->pos = atom->getPos();
94 atomInfo->vel = atom->getVel();
95 atomInfo->frc = atom->getFrc();
96 atomInfo->vec = V3Zero;
97 atomInfo->hasVelocity = true;
98 atomInfo->hasForce = true;
99
100 FixedChargeAdapter fca = FixedChargeAdapter(atype);
101 if ( fca.isFixedCharge() ) {
102 atomInfo->hasCharge = true;
103 atomInfo->charge = fca.getCharge();
104 }
105
106 FluctuatingChargeAdapter fqa = FluctuatingChargeAdapter(atype);
107 if ( fqa.isFluctuatingCharge() ) {
108 atomInfo->hasCharge = true;
109 atomInfo->charge += atom->getFlucQPos();
110 }
111
112 if (atype->isElectrostatic()) {
113 atomInfo->hasElectricField = true;
114 atomInfo->eField = atom->getElectricField();
115 }
116
117 atomData = new AtomData;
118 atomData->setID("ATOMDATA");
119 atomData->addAtomInfo(atomInfo);
120
121 atom->addProperty(atomData);
122
123 setVisited(atom);
124 }
125
126 void DefaultAtomVisitor::visit(DirectionalAtom *datom) {
127 AtomData *atomData;
128 AtomInfo *atomInfo;
129 AtomType* atype = datom->getAtomType();
130
131 if (isVisited(datom))
132 return;
133
134 atomInfo = new AtomInfo;
135 atomInfo->atomTypeName = datom->getType();
136 atomInfo->pos = datom->getPos();
137 atomInfo->vel = datom->getVel();
138 atomInfo->frc = datom->getFrc();
139 atomInfo->hasVelocity = true;
140 atomInfo->hasForce = true;
141
142 FixedChargeAdapter fca = FixedChargeAdapter(atype);
143 if ( fca.isFixedCharge() ) {
144 atomInfo->hasCharge = true;
145 atomInfo->charge = fca.getCharge();
146 }
147
148 FluctuatingChargeAdapter fqa = FluctuatingChargeAdapter(atype);
149 if ( fqa.isFluctuatingCharge() ) {
150 atomInfo->hasCharge = true;
151 atomInfo->charge += datom->getFlucQPos();
152 }
153
154 if (atype->isElectrostatic()) {
155 atomInfo->hasElectricField = true;
156 atomInfo->eField = datom->getElectricField();
157 }
158
159 GayBerneAdapter gba = GayBerneAdapter(atype);
160 MultipoleAdapter ma = MultipoleAdapter(atype);
161
162 if (gba.isGayBerne()) {
163 atomInfo->hasVector = true;
164 atomInfo->vec = datom->getA().transpose()*V3Z;
165 } else if (ma.isDipole()) {
166 atomInfo->hasVector = true;
167 atomInfo->vec = datom->getDipole();
168 } else if (ma.isQuadrupole()) {
169 atomInfo->hasVector = true;
170 atomInfo->vec = datom->getA().transpose()*V3Z;
171 }
172
173 atomData = new AtomData;
174 atomData->setID("ATOMDATA");
175 atomData->addAtomInfo(atomInfo);
176
177 datom->addProperty(atomData);
178
179 setVisited(datom);
180 }
181
182 const std::string DefaultAtomVisitor::toString() {
183 char buffer[65535];
184 std::string result;
185
186 sprintf(buffer,
187 "--------------------------------------------------------------\n");
188 result += buffer;
189
190 sprintf(buffer, "Visitor name: %s\n", visitorName.c_str());
191 result += buffer;
192
193 sprintf(buffer,
194 "Visitor Description: copy atom infomation into atom data\n");
195 result += buffer;
196
197 sprintf(buffer,
198 "--------------------------------------------------------------\n");
199 result += buffer;
200
201 return result;
202 }
203 } //namespace OpenMD

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