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root/OpenMD/branches/development/src/applications/dynamicProps/RadialRCorrFunc.cpp
Revision: 1390
Committed: Wed Nov 25 20:02:06 2009 UTC (15 years, 6 months ago) by gezelter
Original Path: trunk/src/applications/dynamicProps/RadialRCorrFunc.cpp
File size: 3133 byte(s)
Log Message:
Almost all of the changes necessary to create OpenMD out of our old
project (OOPSE-4)

File Contents

# User Rev Content
1 chuckv 1096 /*
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 gezelter 1390 * 1. Redistributions of source code must retain the above copyright
10 chuckv 1096 * notice, this list of conditions and the following disclaimer.
11     *
12 gezelter 1390 * 2. Redistributions in binary form must reproduce the above copyright
13 chuckv 1096 * 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 gezelter 1390 *
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 chuckv 1096 */
41    
42     #include "applications/dynamicProps/RadialRCorrFunc.hpp"
43    
44    
45 gezelter 1390 namespace OpenMD {
46 chuckv 1096 RadialRCorrFunc::RadialRCorrFunc(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2)
47     : ParticleTimeCorrFunc(info, filename, sele1, sele2, DataStorage::dslPosition){
48    
49     setCorrFuncType("RadialRCorrFunc");
50     setOutputName(getPrefix(dumpFilename_) + ".r_rcorr");
51    
52 chuckv 1112 // Turn on COM calculation in block snapshot
53     bool ncp = true;
54     bsMan_->needCOMprops(ncp);
55 chuckv 1096 }
56    
57     RealType RadialRCorrFunc::calcCorrVal(int frame1, int frame2, StuntDouble* sd1, StuntDouble* sd2) {
58     RealType r0;
59     RealType rt;
60     Vector3d coord_t0;
61     Vector3d coord_t;
62    
63     Vector3d r1 = sd1->getPos(frame1);
64     Vector3d r2 = sd2->getPos(frame2);
65 chuckv 1112 Vector3d com1 = sd1->getCOM(frame1);
66     Vector3d com2 = sd2->getCOM(frame2);
67 chuckv 1096
68     coord_t0 = r1 - com1;
69     coord_t = r2 - com2;
70    
71 chuckv 1112 r0 = sqrt(dot(coord_t0, coord_t0));
72     rt = sqrt(dot(coord_t,coord_t));
73    
74     return pow(rt - r0,2);
75 chuckv 1096 }
76    
77     }