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root/group/branches/new_design/OOPSE-4/src/primitives/RigidBody.hpp
Revision: 1805
Committed: Tue Nov 30 20:50:47 2004 UTC (19 years, 7 months ago) by tim
File size: 7048 byte(s)
Log Message:
brains get built, io is next

File Contents

# User Rev Content
1 tim 1692 /*
2     * Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project
3     *
4     * Contact: oopse@oopse.org
5     *
6     * This program is free software; you can redistribute it and/or
7     * modify it under the terms of the GNU Lesser General Public License
8     * as published by the Free Software Foundation; either version 2.1
9     * of the License, or (at your option) any later version.
10     * All we ask is that proper credit is given for our work, which includes
11     * - but is not limited to - adding the above copyright notice to the beginning
12     * of your source code files, and to any copyright notice that you may distribute
13     * with programs based on this work.
14     *
15     * This program is distributed in the hope that it will be useful,
16     * but WITHOUT ANY WARRANTY; without even the implied warranty of
17     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18     * GNU Lesser General Public License for more details.
19     *
20     * You should have received a copy of the GNU Lesser General Public License
21     * along with this program; if not, write to the Free Software
22     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23     *
24     */
25 gezelter 1490
26 tim 1692 /**
27     * @file RigidBody.hpp
28     * @author tlin
29     * @date 10/23/2004
30     * @version 1.0
31     */
32 gezelter 1490
33 tim 1692 #ifndef PRIMITIVES_RIGIDBODY_HPP
34     #define PRIMITIVES_RIGIDBODY_HPP
35 gezelter 1490
36 tim 1692 #include <vector>
37 gezelter 1490
38 tim 1692 #include "primitives/StuntDouble.hpp"
39     #include "primitives/DirectionalAtom.hpp"
40 tim 1805 #include "types/AtomStamp.hpp"
41 tim 1692 namespace oopse{
42     class RigidBody : public StuntDouble {
43     public:
44     RigidBody();
45 gezelter 1490
46 tim 1692 /**
47     * Sets the previous rotation matrix of this stuntdouble
48     * @param a new rotation matrix
49     */
50     virtual void setPrevA(const RotMat3x3d& a);
51    
52     /**
53     * Sets the current rotation matrix of this stuntdouble
54     * @param a new rotation matrix
55     */
56     virtual void setA(const RotMat3x3d& a);
57     /**
58     * Sets the rotation matrix of this stuntdouble in specified snapshot
59     * @param a rotation matrix to be set
60     * @param snapshotNo
61     * @see #getA
62     */
63     virtual void setA(const RotMat3x3d& a, int snapshotNo);
64 gezelter 1490
65 tim 1692 /**
66     * Returns the inertia tensor of this stuntdouble
67     * @return the inertia tensor of this stuntdouble
68     */
69     virtual Mat3x3d getI();
70 gezelter 1490
71    
72 tim 1692 /** Sets the internal unit frame of this stuntdouble by three euler angles */
73     void setUnitFrameFromEuler(double phi, double theta, double psi);
74    
75     /**
76     * Returns the gradient of this stuntdouble
77     * @return the inertia tensor of this stuntdouble
78     * @see #setI
79     */
80     virtual std::vector<double> getGrad();
81 gezelter 1490
82 tim 1692 virtual void accept(BaseVisitor* v);
83 gezelter 1490
84 tim 1805 void addAtom(Atom* at, AtomStamp* ats);
85 gezelter 1490
86 tim 1692 /** calculate the reference coordinates */
87     void calcRefCoords();
88 gezelter 1490
89 tim 1692 /** Convert Atomic forces and torques to total forces and torques */
90     void calcForcesAndTorques();
91 gezelter 1490
92 tim 1692 /** update the positions of atoms belong to this rigidbody */
93     void updateAtoms();
94 gezelter 1490
95 tim 1695 Atom* beginAtom(std::vector<Atom*>::iterator& i);
96    
97     Atom* nextAtom(std::vector<Atom*>::iterator& i);
98    
99     std::vector<Atom*>::iterator getBeginAtomIter() {
100     return atoms_.begin();
101     }
102    
103     std::vector<Atom*>::iterator getEndAtomIter() {
104     return atoms_.end();
105     }
106    
107 tim 1692 /**
108     * Returns the atoms of this rigid body
109     * @return the atoms of this rigid body in a vector
110 tim 1695 * @deprecate
111 tim 1692 */
112     std::vector<Atom*> getAtoms() {
113     return atoms_;
114     }
115 gezelter 1490
116 tim 1692 /**
117     * Returns the number of atoms in this rigid body
118     * @return the number of atoms in this rigid body
119     */
120     int getNumAtoms() {
121     return atoms_.size();
122     }
123 gezelter 1490
124 tim 1692 /**
125     * Return the position of atom which belongs to this rigid body.
126     * @return true if index is valid otherwise return false
127     * @param pos the position of atom which will be set on return if index is valid
128     * @param index the index of the atom in rigid body's private data member atoms_
129     */
130     bool getAtomPos(Vector3d& pos, unsigned int index);
131 gezelter 1490
132 tim 1692 /**
133     * Return the position of atom which belongs to this rigid body.
134     * @return true if atom belongs to this rigid body,otherwise return false
135     * @param pos position of atom which will be set on return if atom belongs to this rigid body
136     * @param atom the pointer to an atom
137     */
138     bool getAtomPos(Vector3d& pos, Atom* atom);
139 gezelter 1490
140 tim 1692 /**
141     * Return the velocity of atom which belongs to this rigid body.
142     * @return true if index is valid otherwise return false
143     * @param vel the velocity of atom which will be set on return if index is valid
144     * @param index the index of the atom in rigid body's private data member atoms_
145     */
146     bool getAtomVel(Vector3d& vel, unsigned int index);
147 gezelter 1490
148 tim 1692 /**
149     * Return the velocity of atom which belongs to this rigid body.
150     * @return true if atom belongs to this rigid body,otherwise return false
151     * @param vel velocity of atom which will be set on return if atom belongs to this rigid body
152     * @param atom the pointer to an atom
153     */
154     bool getAtomVel(Vector3d& vel, Atom*);
155 gezelter 1490
156 tim 1692 /**
157     * Return the reference coordinate of atom which belongs to this rigid body.
158     * @return true if index is valid otherwise return false
159     * @param coor the reference coordinate of atom which will be set on return if index is valid
160     * @param index the index of the atom in rigid body's private data member atoms_
161     */
162     bool getAtomRefCoor(Vector3d& coor, unsigned int index);
163 gezelter 1490
164 tim 1692 /**
165     * Return the velocity of atom which belongs to this rigid body.
166     * @return true if atom belongs to this rigid body,otherwise return false
167     * @param coor velocity of atom which will be set on return if atom belongs to this rigid body
168     * @param atom the pointer to an atom
169     */
170     bool getAtomRefCoor(Vector3d& coor, Atom* atom);
171 gezelter 1490
172 tim 1692 private:
173    
174     Mat3x3d inertiaTensor_;
175     RotMat3x3d sU_; /**< body fixed standard unit vector */
176    
177     std::vector<Atom*> atoms_;
178     std::vector<Vector3d> refCoords_;
179     };
180 gezelter 1490
181 tim 1692 }//namepace oopse
182 gezelter 1490
183 tim 1692 #endif //PRIMITIVES_RIGIDBODY_HPP
184 gezelter 1490