| 1 | /* | 
| 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 |  | 
| 26 | /** | 
| 27 | * @file Snapshot.hpp | 
| 28 | * @author tlin | 
| 29 | * @date 10/20/2004 | 
| 30 | * @time 23:56am | 
| 31 | * @version 1.0 | 
| 32 | */ | 
| 33 |  | 
| 34 | #ifndef BRAINS_SNAPSHOT_HPP | 
| 35 | #define BRAINS_SNAPSHOT_HPP | 
| 36 |  | 
| 37 | #include <vector> | 
| 38 |  | 
| 39 | #include "math/Vector3.hpp" | 
| 40 | #include "math/SquareMatrix3.hpp" | 
| 41 |  | 
| 42 | using namespace std; | 
| 43 |  | 
| 44 | namespace oopse{ | 
| 45 |  | 
| 46 |  | 
| 47 | //forward declaration | 
| 48 | class Snapshot; | 
| 49 | class SnapshotManager; | 
| 50 | class StuntDouble; | 
| 51 |  | 
| 52 | /** | 
| 53 | * @class DataStorage | 
| 54 | * @warning do not try to insert element into (or ease element from) private member data | 
| 55 | * of DataStorage directly. | 
| 56 | */ | 
| 57 | class DataStorage { | 
| 58 | public: | 
| 59 |  | 
| 60 | enum{ | 
| 61 | slPosition = 1, | 
| 62 | slVelocity = 2, | 
| 63 | slAmat = 4, | 
| 64 | slAngularMomentum = 8, | 
| 65 | slUnitVector = 16, | 
| 66 | slZAngle = 32, | 
| 67 | slForce = 64, | 
| 68 | slTorque = 128 | 
| 69 | }; | 
| 70 |  | 
| 71 | DataStorage(int size); | 
| 72 |  | 
| 73 | /** return the size of this DataStorage */ | 
| 74 | int size(); | 
| 75 | void resize(int size); | 
| 76 | void reserve(int size); | 
| 77 |  | 
| 78 | void move(int source, int num, int target); | 
| 79 | int getStorageLayout(); | 
| 80 | void setStorageLayout(int layout); | 
| 81 |  | 
| 82 | double *getArrayPointer(int ); | 
| 83 |  | 
| 84 | friend class StuntDouble; | 
| 85 |  | 
| 86 | private: | 
| 87 | int size_; | 
| 88 | int storageLayout_; | 
| 89 | vector<Vector3d> position;               /** position array */ | 
| 90 | vector<Vector3d> velocity;               /** velocity array */ | 
| 91 | vector<RotMat3x3d> aMat;            /** rotation matrix array */ | 
| 92 | vector<Vector3d> angularMomentum;/** velocity array */ | 
| 93 | vector<Vector3d> unitVector;                /** the lab frame unit vector array*/ | 
| 94 | vector<double> zAngle;              /** z -angle array */ | 
| 95 | vector<Vector3d> force;               /** force array */ | 
| 96 | vector<Vector3d> torque;               /** torque array */ | 
| 97 | }; | 
| 98 |  | 
| 99 | /** | 
| 100 | * @class Snapshot Snapshot.hpp "brains/Snapshot.hpp" | 
| 101 | * @brief Snapshot class is a repository class for storing dynamic data during | 
| 102 | *  Simulation | 
| 103 | * Every snapshot class will contain one DataStorage  for atoms and one DataStorage | 
| 104 | *  for rigid bodies. | 
| 105 | * @see SimData | 
| 106 | */ | 
| 107 | class Snapshot { | 
| 108 | public: | 
| 109 |  | 
| 110 | Snapshot(int nAtoms, int nRigidbodies) { | 
| 111 | atomData.resize(nAtoms); | 
| 112 | rigidbodyData.resize(nRigidbodies); | 
| 113 | } | 
| 114 |  | 
| 115 | Snapshot(const Snapshot& s); | 
| 116 |  | 
| 117 | Snapshot& operator =(const Snapshot& s); | 
| 118 |  | 
| 119 | /** Returns the id of this Snapshot */ | 
| 120 | int getID() { | 
| 121 | return id_; | 
| 122 | } | 
| 123 |  | 
| 124 | /** Sets the id of this Snapshot */ | 
| 125 | void setID(int id) { | 
| 126 | id_ = id; | 
| 127 | } | 
| 128 |  | 
| 129 | //template<typename T> | 
| 130 | //static typename T::ElemPointerType getArrayPointer(vector<T>& v) { | 
| 131 | //    return v[0]->getArrayPointer(); | 
| 132 | //} | 
| 133 |  | 
| 134 | int getSize() { | 
| 135 | return atomData.size() + rigidbodyData.size(); | 
| 136 | } | 
| 137 |  | 
| 138 | /** Returns the number of atoms */ | 
| 139 | int getNumberOfAtoms() { | 
| 140 | return atomData.size(); | 
| 141 | } | 
| 142 |  | 
| 143 | /** Returns the number of rigid bodies */ | 
| 144 | int getNumberOfRigidBodies() { | 
| 145 | return rigidbodyData.size(); | 
| 146 | } | 
| 147 |  | 
| 148 | /** Returns the H-Matrix */ | 
| 149 | Mat3x3d getHmat() { | 
| 150 | return hmat_; | 
| 151 | } | 
| 152 |  | 
| 153 | /** Sets the H-Matrix */ | 
| 154 | void setHamt(const Mat3x3d& m) { | 
| 155 | hmat_ = m; | 
| 156 | invHmat_ = hmat_.inverse(); | 
| 157 | } | 
| 158 |  | 
| 159 | /** Returns the inverse H-Matrix */ | 
| 160 | Mat3x3d getInvHmat() { | 
| 161 | return invHmat_ | 
| 162 | } | 
| 163 |  | 
| 164 | double getTimeStamp() { | 
| 165 | return timeStamp_; | 
| 166 | } | 
| 167 |  | 
| 168 | void setTimeStamp(double timeStamp) { | 
| 169 | timeStamp_ =timeStamp; | 
| 170 | } | 
| 171 |  | 
| 172 |  | 
| 173 | DataStorage atomData; | 
| 174 | DataStorage rigidbodyData; | 
| 175 |  | 
| 176 | friend class StuntDouble; | 
| 177 |  | 
| 178 | private: | 
| 179 | double timeStamp_; | 
| 180 | Mat3x3d hmat_; | 
| 181 | Mat3x3d invHmat_; | 
| 182 | int id_; /**< identification number of the snapshot */ | 
| 183 | }; | 
| 184 |  | 
| 185 | typedef DataStorage (Snapshot::*DataStoragePointer); | 
| 186 | } | 
| 187 | #endif //BRAINS_SNAPSHOT_HPP |