src/selection/DistanceFinder.cpp

/*
 * Copyright (c) 2005, 2010 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 *
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
 * research, please cite the appropriate papers when you publish your
 * work.  Good starting points are:
 *                                                                      
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
 * [4]  Vardeman & Gezelter, in progress (2009).                        
 */

#include "selection/DistanceFinder.hpp"
#include "primitives/Molecule.hpp"
namespace OpenMD {

  DistanceFinder::DistanceFinder(SimInfo* info) : info_(info) {

    nStuntDoubles_ = info_->getNGlobalAtoms() + info_->getNGlobalRigidBodies();
    stuntdoubles_.resize(nStuntDoubles_);
    
    SimInfo::MoleculeIterator mi;
    Molecule* mol;
    Molecule::AtomIterator ai;
    Atom* atom;
    Molecule::RigidBodyIterator rbIter;
    RigidBody* rb;

    
    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
        
      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
        stuntdoubles_[atom->getGlobalIndex()] = atom;
      }

      for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
        stuntdoubles_[rb->getGlobalIndex()] = rb;
      }
        
    }    

  }

  OpenMDBitSet DistanceFinder::find(const OpenMDBitSet& bs, RealType distance) {
    StuntDouble * center;
    Vector3d centerPos;
    Snapshot* currSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
    OpenMDBitSet bsResult(nStuntDoubles_);
    assert(bsResult.size() == bs.size());
   
    for (int j = 0; j < stuntdoubles_.size(); ++j) {
      if (stuntdoubles_[j]->isRigidBody()) {
        RigidBody* rb = static_cast<RigidBody*>(stuntdoubles_[j]);
        rb->updateAtoms();
      }
    }
   
    for (int i = bs.firstOnBit(); i != -1; i = bs.nextOnBit(i)) {
      center = stuntdoubles_[i];
      centerPos = center->getPos();
      for (int j = 0; j < stuntdoubles_.size(); ++j) {
        Vector3d r =centerPos - stuntdoubles_[j]->getPos();
        currSnapshot->wrapVector(r);
        if (r.length() <= distance) {
          bsResult.setBitOn(j);
        }
      }
    }

    return bsResult;
  }

}
Revision:	1434
Committed:	Wed Apr 14 14:41:33 2010 UTC (15 years ago) by chuckv
Original Path:	*trunk/src/selection/DistanceFinder.cpp*
File size:	3858 byte(s)
Log Message:	Fixed a bug with rigid bodies and stuntdoubles. We now update the SD's before doing the distance find.
#	User	Rev	Content
1	tim	295	/*
2	chuckv	1434	* Copyright (c) 2005, 2010 The University of Notre Dame. All Rights Reserved.
3	tim	295	*
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	tim	295	* notice, this list of conditions and the following disclaimer.
11			*
12	gezelter	1390	* 2. Redistributions in binary form must reproduce the above copyright
13	tim	295	* 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	tim	295	*/
41
42			#include "selection/DistanceFinder.hpp"
43			#include "primitives/Molecule.hpp"
44	gezelter	1390	namespace OpenMD {
45	tim	295
46	gezelter	507	DistanceFinder::DistanceFinder(SimInfo* info) : info_(info) {
47	tim	295
48			nStuntDoubles_ = info_->getNGlobalAtoms() + info_->getNGlobalRigidBodies();
49			stuntdoubles_.resize(nStuntDoubles_);
50
51			SimInfo::MoleculeIterator mi;
52			Molecule* mol;
53			Molecule::AtomIterator ai;
54			Atom* atom;
55			Molecule::RigidBodyIterator rbIter;
56			RigidBody* rb;
57
58
59			for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
60
61	gezelter	507	for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
62			stuntdoubles_[atom->getGlobalIndex()] = atom;
63			}
64	tim	295
65	gezelter	507	for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
66			stuntdoubles_[rb->getGlobalIndex()] = rb;
67			}
68	tim	295
69			}
70
71	gezelter	507	}
72	tim	295
73	gezelter	1390	OpenMDBitSet DistanceFinder::find(const OpenMDBitSet& bs, RealType distance) {
74	tim	295	StuntDouble * center;
75			Vector3d centerPos;
76			Snapshot* currSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
77	gezelter	1390	OpenMDBitSet bsResult(nStuntDoubles_);
78	tim	295	assert(bsResult.size() == bs.size());
79	chuckv	1434
80			for (int j = 0; j < stuntdoubles_.size(); ++j) {
81			if (stuntdoubles_[j]->isRigidBody()) {
82			RigidBody* rb = static_cast<RigidBody*>(stuntdoubles_[j]);
83			rb->updateAtoms();
84			}
85			}
86
87	tim	358	for (int i = bs.firstOnBit(); i != -1; i = bs.nextOnBit(i)) {
88	gezelter	507	center = stuntdoubles_[i];
89			centerPos = center->getPos();
90			for (int j = 0; j < stuntdoubles_.size(); ++j) {
91			Vector3d r =centerPos - stuntdoubles_[j]->getPos();
92			currSnapshot->wrapVector(r);
93			if (r.length() <= distance) {
94			bsResult.setBitOn(j);
95			}
96			}
97	tim	295	}
98
99			return bsResult;
100	gezelter	507	}
101	tim	295
102			}