1 | /*
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2 | * World.hpp
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3 | *
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4 | * Created on: Feb 3, 2010
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5 | * Author: crueger
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6 | */
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7 |
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8 | #ifndef WORLD_HPP_
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9 | #define WORLD_HPP_
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10 |
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11 | // include config.h
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12 | #ifdef HAVE_CONFIG_H
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13 | #include <config.h>
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14 | #endif
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15 |
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16 | /*********************************************** includes ***********************************/
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17 |
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18 | #include <string>
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19 | #include <map>
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20 | #include <vector>
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21 | #include <set>
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22 | #include <boost/thread.hpp>
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23 | #include <boost/shared_ptr.hpp>
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24 |
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25 | #include "Actions/ActionTrait.hpp"
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26 | #include "Atom/AtomSet.hpp"
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27 | #include "Descriptors/SelectiveIterator.hpp"
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28 | #include "CodePatterns/Observer/Observable.hpp"
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29 | #include "CodePatterns/Observer/Observer.hpp"
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30 | #include "CodePatterns/Cacheable.hpp"
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31 | #include "CodePatterns/Singleton.hpp"
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32 | #include "CodePatterns/Observer/ObservedContainer.hpp"
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33 | #include "CodePatterns/Range.hpp"
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34 | #include "IdPool_policy.hpp"
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35 | #include "IdPool.hpp"
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36 | #include "LinkedCell/LinkedCell_View.hpp"
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37 | #include "types.hpp"
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38 |
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39 |
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40 | // forward declarations
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41 | class atom;
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42 | class AtomDescriptor;
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43 | class AtomDescriptor_impl;
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44 | class BondGraph;
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45 | class Box;
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46 | class config;
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47 | class RealSpaceMatrix;
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48 | class molecule;
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49 | class MoleculeDescriptor;
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50 | class MoleculeDescriptor_impl;
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51 | class MoleculeListClass;
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52 | class periodentafel;
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53 | class ThermoStatContainer;
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54 |
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55 | namespace LinkedCell {
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56 | class LinkedCell_Controller;
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57 | }
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58 |
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59 | namespace MoleCuilder {
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60 | class ManipulateAtomsProcess;
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61 | template<typename T> class AtomsCalculation;
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62 | }
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63 |
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64 | /****************************************** forward declarations *****************************/
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65 |
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66 | /********************************************** Class World *******************************/
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67 |
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68 | namespace detail {
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69 | template <class T> const T* lastChanged()
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70 | {
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71 | ASSERT(0, "detail::lastChanged() - only specializations may be used.");
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72 | return NULL;
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73 | }
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74 | }
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75 |
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76 | class World : public Singleton<World>, public Observable
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77 | {
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78 |
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79 | // Make access to constructor and destructor possible from inside the singleton
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80 | friend class Singleton<World>;
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81 |
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82 | // necessary for coupling with descriptors
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83 | friend class AtomDescriptor_impl;
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84 | friend class AtomDescriptor;
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85 | friend class MoleculeDescriptor_impl;
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86 | friend class MoleculeDescriptor;
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87 | // coupling with descriptors over selection
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88 | friend class AtomSelectionDescriptor_impl;
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89 | friend class AtomOfMoleculeSelectionDescriptor_impl;
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90 | friend class AtomOrderDescriptor_impl;
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91 | friend class MoleculeOfAtomSelectionDescriptor_impl;
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92 | friend class MoleculeOrderDescriptor_impl;
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93 | friend class MoleculeSelectionDescriptor_impl;
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94 |
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95 | // Actions, calculations etc associated with the World
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96 | friend class MoleCuilder::ManipulateAtomsProcess;
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97 | template<typename> friend class MoleCuilder::AtomsCalculation;
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98 | public:
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99 | // some typedefs for the CONSTRUCT_... macros (no "," allows in a single parameter name)
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100 | typedef std::map<atomId_t,atom*> AtomSTLSet;
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101 | typedef std::map<moleculeId_t,molecule*> MoleculeSTLSet;
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102 |
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103 | // Types for Atom and Molecule structures
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104 | typedef ObservedContainer< AtomSTLSet > AtomSet;
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105 | typedef ObservedContainer< MoleculeSTLSet > MoleculeSet;
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106 |
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107 | typedef ATOMSET(std::vector) AtomComposite;
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108 |
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109 | /******* Notifications *******/
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110 |
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111 | //!> enumeration of present notification types
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112 | enum NotificationType {
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113 | AtomInserted,
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114 | AtomRemoved,
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115 | AtomPositionChanged,
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116 | AtomChanged,
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117 | MoleculeInserted,
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118 | MoleculeRemoved,
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119 | MoleculeChanged,
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120 | SelectionChanged,
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121 | NotificationType_MAX
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122 | };
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123 |
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124 | //>! access to last changed element (atom or molecule)
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125 | template <class T> const T* lastChanged() const
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126 | { return detail::lastChanged<T>(); }
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127 |
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128 | /***** getter and setter *****/
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129 | // reference to pointer is used for legacy reason... reference will be removed latter to keep encapsulation of World object
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130 | /**
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131 | * returns the periodentafel for the world.
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132 | */
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133 | periodentafel *&getPeriode();
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134 |
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135 | /** Returns the BondGraph for the World.
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136 | *
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137 | * @return reference to BondGraph
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138 | */
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139 | BondGraph *&getBondGraph();
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140 |
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141 | /** Sets the World's BondGraph.
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142 | *
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143 | * @param _BG new BondGraph
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144 | */
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145 | void setBondGraph(BondGraph *_BG);
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146 | /**
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147 | * returns the configuration for the world.
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148 | */
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149 | config *&getConfig();
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150 |
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151 | /** Returns a notification_ptr for a specific type.
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152 | *
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153 | * @param type request type
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154 | * @return reference to instance
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155 | */
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156 | Notification_ptr getNotification(enum NotificationType type) const;
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157 |
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158 | /**
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159 | * returns the first atom that matches a given descriptor.
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160 | * Do not rely on ordering for descriptors that match more than one atom.
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161 | */
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162 | atom* getAtom(AtomDescriptor descriptor);
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163 |
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164 | /**
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165 | * returns a vector containing all atoms that match a given descriptor
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166 | */
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167 | AtomComposite getAllAtoms(AtomDescriptor descriptor);
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168 | AtomComposite getAllAtoms();
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169 |
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170 | /**
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171 | * returns a calculation that calls a given function on all atoms matching a descriptor.
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172 | * the calculation is not called at this point and can be used as an action, i.e. be stored in
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173 | * menus, be kept around for later use etc.
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174 | */
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175 | template<typename T> MoleCuilder::AtomsCalculation<T>* calcOnAtoms(boost::function<T(atom*)>,const MoleCuilder::ActionTrait &_trait,AtomDescriptor);
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176 | template<typename T> MoleCuilder::AtomsCalculation<T>* calcOnAtoms(boost::function<T(atom*)>,const MoleCuilder::ActionTrait &_trait);
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177 |
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178 | /**
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179 | * get the number of atoms in the World
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180 | */
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181 | int numAtoms();
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182 |
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183 | /**
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184 | * returns the first molecule that matches a given descriptor.
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185 | * Do not rely on ordering for descriptors that match more than one molecule.
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186 | */
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187 | molecule *getMolecule(MoleculeDescriptor descriptor);
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188 |
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189 | /**
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190 | * returns a vector containing all molecules that match a given descriptor
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191 | */
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192 | std::vector<molecule*> getAllMolecules(MoleculeDescriptor descriptor);
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193 | std::vector<molecule*> getAllMolecules();
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194 |
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195 | /**
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196 | * get the number of molecules in the World
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197 | */
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198 | int numMolecules();
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199 |
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200 | /**
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201 | * get the domain size as a symmetric matrix (6 components)
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202 | */
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203 | Box& getDomain();
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204 |
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205 | /**
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206 | * Set the domain size from a matrix object
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207 | *
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208 | * Matrix needs to be symmetric
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209 | */
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210 | void setDomain(const RealSpaceMatrix &mat);
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211 |
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212 | /**
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213 | * set the domain size as a symmetric matrix (6 components)
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214 | */
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215 | void setDomain(double * matrix);
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216 |
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217 | /** Returns a LinkedCell structure for obtaining neighbors quickly.
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218 | *
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219 | * @param distance desired linked cell edge length
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220 | * @return view of restricted underlying LinkedCell_Model
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221 | */
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222 | LinkedCell::LinkedCell_View getLinkedCell(const double distance);
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223 |
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224 | /**
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225 | * set the current time of the world.
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226 | *
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227 | * @param _step time step to set to
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228 | */
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229 | void setTime(const unsigned int _step);
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230 |
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231 | /**
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232 | * get the default name
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233 | */
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234 | std::string getDefaultName();
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235 |
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236 | /**
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237 | * set the default name
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238 | */
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239 | void setDefaultName(std::string name);
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240 |
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241 | /**
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242 | * get pointer to World's ThermoStatContainer
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243 | */
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244 | ThermoStatContainer * getThermostats();
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245 |
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246 | /*
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247 | * get the ExitFlag
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248 | */
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249 | int getExitFlag();
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250 |
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251 | /*
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252 | * set the ExitFlag
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253 | */
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254 | void setExitFlag(int flag);
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255 |
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256 | /***** Methods to work with the World *****/
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257 |
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258 | /**
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259 | * create a new molecule. This method should be used whenever any kind of molecule is needed. Assigns a unique
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260 | * ID to the molecule and stores it in the World for later retrieval. Do not create molecules directly.
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261 | */
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262 | molecule *createMolecule();
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263 |
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264 | void destroyMolecule(molecule*);
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265 | void destroyMolecule(moleculeId_t);
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266 |
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267 | /**
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268 | * Create a new atom. This method should be used whenever any atom is needed. Assigns a unique ID and stores
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269 | * the atom in the World. If the atom is not destroyed it will automatically be destroyed when the world ends.
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270 | */
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271 | atom *createAtom();
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272 |
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273 | /**
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274 | * Registers a Atom unknown to world. Needed in some rare cases, e.g. when cloning atoms, or in some unittests.
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275 | * Do not re-register Atoms already known to the world since this will cause double-frees.
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276 | */
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277 | int registerAtom(atom*);
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278 |
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279 | /**
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280 | * Delete some atom and erase it from the world. Use this whenever you need to destroy any atom. Do not call delete on
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281 | * atom directly since this will leave the pointer inside the world.
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282 | */
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283 | void destroyAtom(atom*);
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284 |
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285 | /**
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286 | * Delete some atom and erase it from the world. Use this whenever you need to destroy any atom. Do not call delete on
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287 | * atom directly since this will leave the pointer inside the world.
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288 | */
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289 | void destroyAtom(atomId_t);
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290 |
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291 | /**
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292 | * used when changing an atom Id.
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293 | * Unless you are calling this method from inside an atom don't fiddle with the third parameter.
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294 | *
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295 | * Return value indicates wether the change could be done or not.
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296 | */
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297 | bool changeAtomId(atomId_t oldId, atomId_t newId, atom* target=0);
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298 |
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299 | /**
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300 | * used when changing an molecule Id.
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301 | * Unless you are calling this method from inside an moleucle don't fiddle with the third parameter.
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302 | *
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303 | * Return value indicates wether the change could be done or not.
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304 | */
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305 | bool changeMoleculeId(moleculeId_t oldId, moleculeId_t newId, molecule* target=0);
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306 |
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307 | /**
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308 | * Produces a process that calls a function on all Atoms matching a given descriptor. The process is not
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309 | * called at this time, so it can be passed around, stored inside menuItems etc.
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310 | */
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311 | MoleCuilder::ManipulateAtomsProcess* manipulateAtoms(boost::function<void(atom*)>,std::string,AtomDescriptor);
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312 | MoleCuilder::ManipulateAtomsProcess* manipulateAtoms(boost::function<void(atom*)>,std::string);
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313 |
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314 | /****
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315 | * Iterators to use internal data structures
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316 | * All these iterators are observed to track changes.
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317 | * There is a corresponding protected section with unobserved iterators,
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318 | * which can be used internally when the extra speed is needed
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319 | */
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320 |
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321 | typedef SelectiveIterator<atom*,AtomSet,AtomDescriptor> AtomIterator;
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322 |
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323 | /**
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324 | * returns an iterator over all Atoms matching a given descriptor.
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325 | * This iterator is observed, so don't keep it around unnecessary to
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326 | * avoid unintended blocking.
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327 | */
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328 | AtomIterator getAtomIter(AtomDescriptor descr);
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329 | AtomIterator getAtomIter();
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330 |
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331 | AtomIterator atomEnd();
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332 |
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333 | typedef SelectiveIterator<molecule*,MoleculeSet,MoleculeDescriptor> MoleculeIterator;
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334 |
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335 | /**
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336 | * returns an iterator over all Molecules matching a given descriptor.
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337 | * This iterator is observed, so don't keep it around unnecessary to
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338 | * avoid unintended blocking.
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339 | */
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340 | MoleculeIterator getMoleculeIter(MoleculeDescriptor descr);
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341 | MoleculeIterator getMoleculeIter();
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342 |
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343 | MoleculeIterator moleculeEnd();
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344 |
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345 | /******** Selections of molecules and Atoms *************/
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346 | void clearAtomSelection();
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347 | void invertAtomSelection();
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348 | void selectAtom(const atom*);
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349 | void selectAtom(const atomId_t);
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350 | void selectAllAtoms(AtomDescriptor);
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351 | void selectAtomsOfMolecule(const molecule*);
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352 | void selectAtomsOfMolecule(const moleculeId_t);
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353 | void unselectAtom(const atom*);
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354 | void unselectAtom(const atomId_t);
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355 | void unselectAllAtoms(AtomDescriptor);
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356 | void unselectAtomsOfMolecule(const molecule*);
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357 | void unselectAtomsOfMolecule(const moleculeId_t);
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358 | size_t countSelectedAtoms() const;
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359 | bool isSelected(const atom *_atom) const;
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360 | bool isAtomSelected(const atomId_t no) const;
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361 | const std::vector<atom *> getSelectedAtoms() const;
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362 |
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363 | void clearMoleculeSelection();
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364 | void invertMoleculeSelection();
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365 | void selectMolecule(const molecule*);
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366 | void selectMolecule(const moleculeId_t);
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367 | void selectAllMolecules(MoleculeDescriptor);
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368 | void selectMoleculeOfAtom(const atom*);
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369 | void selectMoleculeOfAtom(const atomId_t);
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370 | void unselectMolecule(const molecule*);
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371 | void unselectMolecule(const moleculeId_t);
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372 | void unselectAllMolecules(MoleculeDescriptor);
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373 | void unselectMoleculeOfAtom(const atom*);
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374 | void unselectMoleculeOfAtom(const atomId_t);
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375 | size_t countSelectedMolecules() const;
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376 | bool isSelected(const molecule *_mol) const;
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377 | bool isMoleculeSelected(const moleculeId_t no) const;
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378 | const std::vector<molecule *> getSelectedMolecules() const;
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379 |
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380 | /******************** Iterators to selections *****************/
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381 | typedef AtomSet::iterator AtomSelectionIterator;
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382 | AtomSelectionIterator beginAtomSelection();
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383 | AtomSelectionIterator endAtomSelection();
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384 | typedef AtomSet::const_iterator AtomSelectionConstIterator;
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385 | AtomSelectionConstIterator beginAtomSelection() const;
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386 | AtomSelectionConstIterator endAtomSelection() const;
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387 |
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388 | typedef MoleculeSet::iterator MoleculeSelectionIterator;
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389 | MoleculeSelectionIterator beginMoleculeSelection();
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390 | MoleculeSelectionIterator endMoleculeSelection();
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391 | typedef MoleculeSet::const_iterator MoleculeSelectionConstIterator;
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392 | MoleculeSelectionConstIterator beginMoleculeSelection() const;
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393 | MoleculeSelectionConstIterator endMoleculeSelection() const;
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394 |
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395 | protected:
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396 | /****
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397 | * Iterators to use internal data structures
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398 | * All these iterators are unobserved for speed reasons.
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399 | * There is a corresponding public section to these methods,
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400 | * which produce observed iterators.*/
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401 |
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402 | // Atoms
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403 | typedef SelectiveIterator<atom*,AtomSet::set_t,AtomDescriptor> internal_AtomIterator;
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404 |
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405 | /**
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406 | * returns an iterator over all Atoms matching a given descriptor.
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407 | * used for internal purposes, like AtomProcesses and AtomCalculations.
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408 | */
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409 | internal_AtomIterator getAtomIter_internal(AtomDescriptor descr);
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410 |
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411 | /**
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412 | * returns an iterator to the end of the AtomSet. Due to overloading this iterator
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413 | * can be compared to iterators produced by getAtomIter (see the mis-matching types).
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414 | * Thus it can be used to detect when such an iterator is at the end of the list.
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415 | * used for internal purposes, like AtomProcesses and AtomCalculations.
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416 | */
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417 | internal_AtomIterator atomEnd_internal();
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418 |
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419 | // Molecules
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420 | typedef SelectiveIterator<molecule*,MoleculeSet::set_t,MoleculeDescriptor> internal_MoleculeIterator;
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421 |
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422 |
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423 | /**
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424 | * returns an iterator over all Molecules matching a given descriptor.
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425 | * used for internal purposes, like MoleculeProcesses and MoleculeCalculations.
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426 | */
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427 | internal_MoleculeIterator getMoleculeIter_internal(MoleculeDescriptor descr);
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428 |
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429 | /**
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430 | * returns an iterator to the end of the MoleculeSet. Due to overloading this iterator
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431 | * can be compared to iterators produced by getMoleculeIter (see the mis-matching types).
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432 | * Thus it can be used to detect when such an iterator is at the end of the list.
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433 | * used for internal purposes, like MoleculeProcesses and MoleculeCalculations.
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434 | */
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435 | internal_MoleculeIterator moleculeEnd_internal();
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436 |
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437 |
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438 | /******* Internal manipulation routines for double callback and Observer mechanism ******/
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439 | void doManipulate(MoleCuilder::ManipulateAtomsProcess *);
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440 |
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441 | private:
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442 |
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443 | friend const atom *detail::lastChanged<atom>();
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444 | friend const molecule *detail::lastChanged<molecule>();
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445 | static atom *_lastchangedatom;
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446 | static molecule*_lastchangedmol;
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447 |
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448 | BondGraph *BG;
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449 | periodentafel *periode;
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450 | config *configuration;
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451 | Box *cell_size;
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452 | LinkedCell::LinkedCell_Controller *LCcontroller;
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453 | std::string defaultName;
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454 | class ThermoStatContainer *Thermostats;
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455 | int ExitFlag;
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456 | private:
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457 |
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458 | AtomSet atoms;
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459 | AtomSet selectedAtoms;
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460 | /**
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461 | * stores the pool for all available AtomIds below currAtomId
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462 | *
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463 | * The pool contains ranges of free ids in the form [bottom,top).
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464 | */
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465 | IdPool<atomId_t, uniqueId> atomIdPool;
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466 |
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467 | MoleculeSet molecules;
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468 | MoleculeSet selectedMolecules;
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469 | /**
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470 | * stores the pool for all available AtomIds below currAtomId
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471 | *
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472 | * The pool contains ranges of free ids in the form [bottom,top).
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473 | */
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474 | IdPool<moleculeId_t, continuousId> moleculeIdPool;
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475 |
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476 | private:
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477 | /**
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478 | * private constructor to ensure creation of the world using
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479 | * the singleton pattern.
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480 | */
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481 | World();
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482 |
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483 | /**
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484 | * private destructor to ensure destruction of the world using the
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485 | * singleton pattern.
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486 | */
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487 | virtual ~World();
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488 |
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489 | /*****
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490 | * some legacy stuff that is include for now but will be removed later
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491 | *****/
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492 | public:
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493 | MoleculeListClass *&getMolecules();
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494 |
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495 | private:
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496 | MoleculeListClass *molecules_deprecated;
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497 | };
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498 |
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499 | /** Externalized stuff as member functions cannot be specialized without
|
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500 | * specializing the class, too.
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501 | */
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502 | namespace detail {
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503 | template <> inline const atom* lastChanged<atom>() { return World::_lastchangedatom; }
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504 | template <> inline const molecule* lastChanged<molecule>() { return World::_lastchangedmol; }
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505 | }
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506 |
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507 |
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508 | #endif /* WORLD_HPP_ */
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