1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4XXXStoredSceneHandler.cc,v 1.9 2006/10/26 11:30:10 allison Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | // |
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31 | // John Allison 7th March 2006 |
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32 | // A template for a graphics driver with a store/database. |
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33 | //?? Lines beginning like this require specialisation for your driver. |
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34 | |
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35 | #include "G4XXXStoredSceneHandler.hh" |
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36 | |
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37 | #include "G4XXXStoredViewer.hh" |
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38 | #include "G4PhysicalVolumeModel.hh" |
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39 | #include "G4VPhysicalVolume.hh" |
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40 | #include "G4LogicalVolume.hh" |
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41 | #include "G4Box.hh" |
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42 | #include "G4Polyline.hh" |
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43 | #include "G4Text.hh" |
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44 | #include "G4Circle.hh" |
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45 | #include "G4Square.hh" |
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46 | #include "G4Polyhedron.hh" |
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47 | #include "G4UnitsTable.hh" |
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48 | #include "G4AttDef.hh" |
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49 | #include "G4AttValue.hh" |
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50 | #include "G4AttCheck.hh" |
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51 | |
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52 | #include <sstream> |
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53 | |
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54 | G4int G4XXXStoredSceneHandler::fSceneIdCount = 0; |
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55 | // Counter for XXX scene handlers. |
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56 | |
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57 | G4XXXStoredSceneHandler::G4XXXStoredSceneHandler(G4VGraphicsSystem& system, |
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58 | const G4String& name): |
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59 | G4VSceneHandler(system, fSceneIdCount++, name) |
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60 | {} |
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61 | |
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62 | G4XXXStoredSceneHandler::~G4XXXStoredSceneHandler() {} |
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63 | |
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64 | #ifdef G4XXXStoredDEBUG |
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65 | // Useful function... |
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66 | void G4XXXStoredSceneHandler::PrintThings() { |
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67 | G4cout << |
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68 | " with transformation " |
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69 | << (void*)fpObjectTransformation; |
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70 | if (fpModel) { |
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71 | G4cout << " from " << fpModel->GetCurrentDescription() |
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72 | << " (tag " << fpModel->GetCurrentTag() |
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73 | << ')'; |
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74 | } else { |
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75 | G4cout << "(not from a model)"; |
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76 | } |
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77 | G4PhysicalVolumeModel* pPVModel = |
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78 | dynamic_cast<G4PhysicalVolumeModel*>(fpModel); |
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79 | if (pPVModel) { |
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80 | G4cout << |
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81 | "\n current physical volume: " |
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82 | << pPVModel->GetCurrentPV()->GetName() << |
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83 | "\n current logical volume: " |
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84 | << pPVModel->GetCurrentLV()->GetName() << |
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85 | "\n current depth of geometry tree: " |
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86 | << pPVModel->GetCurrentDepth(); |
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87 | } |
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88 | G4cout << G4endl; |
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89 | } |
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90 | #endif |
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91 | |
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92 | void G4XXXStoredSceneHandler::PreAddSolid |
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93 | (const G4Transform3D& objectTransformation, |
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94 | const G4VisAttributes& visAttribs) |
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95 | { |
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96 | G4VSceneHandler::PreAddSolid(objectTransformation, visAttribs); |
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97 | |
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98 | // Get user G4Atts... |
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99 | const std::map<G4String,G4AttDef>* userAttDefs = visAttribs.GetAttDefs(); |
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100 | if (userAttDefs) { |
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101 | #ifdef G4XXXStoredDEBUG |
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102 | const std::vector<G4AttValue>* userAttValues = |
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103 | visAttribs.CreateAttValues(); |
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104 | G4cout << "\nProvided G4Atts:\n" |
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105 | << G4AttCheck(userAttValues, userAttDefs); |
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106 | // Extra checks... |
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107 | G4AttCheck attCheck(userAttValues, userAttDefs); |
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108 | if (attCheck.Check()) G4cout << "Error" << G4endl; |
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109 | else { |
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110 | std::vector<G4AttValue> standardValues; |
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111 | std::map<G4String,G4AttDef> standardDefinitions; |
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112 | attCheck.Standard(&standardValues, &standardDefinitions); |
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113 | G4cout << "\nStandard G4Atts:\n" |
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114 | << G4AttCheck(&standardValues, &standardDefinitions); |
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115 | } |
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116 | // End of extra checks. |
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117 | delete userAttValues; // (Must be deleted after use.) |
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118 | #endif |
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119 | } |
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120 | |
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121 | // Get solid's G4Atts created by G4PhysicalVolumeModel... |
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122 | G4PhysicalVolumeModel* pPVModel = |
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123 | dynamic_cast<G4PhysicalVolumeModel*>(fpModel); |
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124 | if (pPVModel) { |
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125 | const std::map<G4String,G4AttDef>* solidAttDefs = pPVModel->GetAttDefs(); |
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126 | if (solidAttDefs) { |
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127 | #ifdef G4XXXStoredDEBUG |
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128 | std::vector<G4AttValue>* solidAttValues = |
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129 | pPVModel->CreateCurrentAttValues(); |
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130 | G4cout << "\nProvided G4Atts:\n" |
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131 | << G4AttCheck(solidAttValues, solidAttDefs); |
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132 | // Extra checks... |
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133 | G4AttCheck attCheck(solidAttValues,solidAttDefs); |
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134 | if (attCheck.Check()) G4cout << "Error" << G4endl; |
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135 | else { |
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136 | std::vector<G4AttValue> standardValues; |
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137 | std::map<G4String,G4AttDef> standardDefinitions; |
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138 | attCheck.Standard(&standardValues, &standardDefinitions); |
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139 | G4cout << "\nStandard G4Atts:\n" |
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140 | << G4AttCheck(&standardValues, &standardDefinitions); |
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141 | } |
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142 | // End of extra checks. |
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143 | delete solidAttValues; // (Must be deleted after use.) |
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144 | #endif |
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145 | } |
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146 | } |
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147 | |
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148 | // Create a place for current solid... |
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149 | fCurrentItem = fStore.insert(fStore.end(), G4String("\nPreAddSolid:\n")); |
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150 | if (fReadyForTransients) { |
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151 | fTransients.push_back(fCurrentItem); |
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152 | } else { |
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153 | fPermanents.push_back(fCurrentItem); |
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154 | } |
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155 | } |
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156 | |
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157 | void G4XXXStoredSceneHandler::PostAddSolid() |
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158 | { |
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159 | *fCurrentItem += "\nEndSolid\n"; |
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160 | G4VSceneHandler::PostAddSolid(); |
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161 | } |
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162 | |
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163 | void G4XXXStoredSceneHandler::BeginPrimitives |
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164 | (const G4Transform3D& objectTransformation) |
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165 | { |
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166 | G4VSceneHandler::BeginPrimitives(objectTransformation); |
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167 | |
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168 | // If thread of control has already passed through PreAddSolid, |
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169 | // avoid opening a graphical data base component again. |
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170 | if (!fProcessingSolid) { |
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171 | // Create a place for current primitive... |
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172 | fCurrentItem = fStore.insert(fStore.end(), |
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173 | G4String("\nBeginPrimitives:\n")); |
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174 | if (fReadyForTransients) { |
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175 | fTransients.push_back(fCurrentItem); |
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176 | } else { |
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177 | fPermanents.push_back(fCurrentItem); |
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178 | } |
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179 | } |
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180 | } |
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181 | |
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182 | void G4XXXStoredSceneHandler::EndPrimitives () |
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183 | { |
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184 | if (!fProcessingSolid) { // Already done if so. |
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185 | *fCurrentItem += "\nEndPrimitives\n"; |
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186 | } |
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187 | G4VSceneHandler::EndPrimitives (); |
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188 | } |
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189 | |
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190 | // Note: This function overrides G4VSceneHandler::AddSolid(const |
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191 | // G4Box&). You may not want to do this, but this is how it's done if |
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192 | // you do. Certain other specific solids may be treated this way - |
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193 | // see G4VSceneHandler.hh. The simplest possible driver would *not* |
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194 | // implement these polymorphic functions, with the effect that the |
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195 | // default versions in G4VSceneHandler are used, which simply call |
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196 | // G4VSceneHandler::RequestPrimitives to turn the solid into a |
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197 | // G4Polyhedron usually. |
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198 | // Don't forget, solids can be transients too (e.g., representing a hit). |
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199 | void G4XXXStoredSceneHandler::AddSolid(const G4Box& box) { |
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200 | #ifdef G4XXXStoredDEBUG |
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201 | G4cout << |
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202 | "G4XXXStoredSceneHandler::AddSolid(const G4Box& box) called for " |
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203 | << box.GetName() |
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204 | << G4endl; |
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205 | #endif |
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206 | //?? Process your box... |
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207 | std::ostringstream oss; |
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208 | oss << "G4Box(" << |
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209 | G4String |
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210 | (G4BestUnit |
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211 | (G4ThreeVector |
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212 | (box.GetXHalfLength(), box.GetYHalfLength(), box.GetZHalfLength()), |
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213 | "Length")).strip() << ')'; |
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214 | *fCurrentItem += oss.str(); |
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215 | } |
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216 | |
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217 | void G4XXXStoredSceneHandler::AddPrimitive(const G4Polyline& polyline) { |
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218 | #ifdef G4XXXStoredDEBUG |
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219 | G4cout << |
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220 | "G4XXXStoredSceneHandler::AddPrimitive(const G4Polyline& polyline) called.\n" |
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221 | << polyline |
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222 | << G4endl; |
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223 | #endif |
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224 | // Get vis attributes - pick up defaults if none. |
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225 | //const G4VisAttributes* pVA = |
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226 | // fpViewer -> GetApplicableVisAttributes (polyline.GetVisAttributes ()); |
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227 | //?? Process polyline. |
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228 | std::ostringstream oss; |
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229 | oss << polyline; |
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230 | *fCurrentItem += oss.str(); |
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231 | } |
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232 | |
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233 | void G4XXXStoredSceneHandler::AddPrimitive(const G4Text& text) { |
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234 | #ifdef G4XXXStoredDEBUG |
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235 | G4cout << |
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236 | "G4XXXStoredSceneHandler::AddPrimitive(const G4Text& text) called.|n" |
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237 | << text |
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238 | << G4endl; |
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239 | #endif |
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240 | // Get text colour - special method since default text colour is |
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241 | // determined by the default text vis attributes, which may be |
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242 | // specified independent of default vis attributes of other types of |
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243 | // visible objects. |
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244 | //const G4Colour& c = GetTextColour (text); // Picks up default if none. |
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245 | //?? Process text. |
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246 | std::ostringstream oss; |
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247 | oss << text; |
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248 | *fCurrentItem += oss.str(); |
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249 | } |
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250 | |
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251 | void G4XXXStoredSceneHandler::AddPrimitive(const G4Circle& circle) { |
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252 | #ifdef G4XXXStoredDEBUG |
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253 | G4cout << |
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254 | "G4XXXStoredSceneHandler::AddPrimitive(const G4Circle& circle) called.\n" |
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255 | << circle |
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256 | << G4endl; |
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257 | MarkerSizeType sizeType; |
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258 | G4double size = GetMarkerSize (circle, sizeType); |
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259 | switch (sizeType) { |
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260 | default: |
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261 | case screen: |
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262 | // Draw in screen coordinates. |
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263 | G4cout << "screen"; |
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264 | break; |
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265 | case world: |
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266 | // Draw in world coordinates. |
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267 | G4cout << "world"; |
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268 | break; |
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269 | } |
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270 | G4cout << " size: " << size << G4endl; |
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271 | #endif |
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272 | // Get vis attributes - pick up defaults if none. |
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273 | //const G4VisAttributes* pVA = |
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274 | // fpViewer -> GetApplicableVisAttributes (circle.GetVisAttributes ()); |
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275 | //?? Process circle. |
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276 | std::ostringstream oss; |
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277 | oss << circle; |
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278 | *fCurrentItem += oss.str(); |
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279 | } |
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280 | |
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281 | void G4XXXStoredSceneHandler::AddPrimitive(const G4Square& square) { |
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282 | #ifdef G4XXXStoredDEBUG |
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283 | G4cout << |
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284 | "G4XXXStoredSceneHandler::AddPrimitive(const G4Square& square) called.\n" |
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285 | << square |
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286 | << G4endl; |
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287 | MarkerSizeType sizeType; |
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288 | G4double size = GetMarkerSize (square, sizeType); |
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289 | switch (sizeType) { |
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290 | default: |
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291 | case screen: |
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292 | // Draw in screen coordinates. |
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293 | G4cout << "screen"; |
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294 | break; |
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295 | case world: |
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296 | // Draw in world coordinates. |
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297 | G4cout << "world"; |
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298 | break; |
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299 | } |
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300 | G4cout << " size: " << size << G4endl; |
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301 | #endif |
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302 | // Get vis attributes - pick up defaults if none. |
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303 | //const G4VisAttributes* pVA = |
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304 | // fpViewer -> GetApplicableVisAttributes (square.GetVisAttributes ()); |
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305 | //?? Process square. |
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306 | std::ostringstream oss; |
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307 | oss << square; |
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308 | *fCurrentItem += oss.str(); |
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309 | } |
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310 | |
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311 | void G4XXXStoredSceneHandler::AddPrimitive(const G4Polyhedron& polyhedron) { |
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312 | #ifdef G4XXXStoredDEBUG |
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313 | G4cout << |
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314 | "G4XXXStoredSceneHandler::AddPrimitive(const G4Polyhedron&) called.\n" |
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315 | << polyhedron |
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316 | << G4endl; |
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317 | #endif |
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318 | //?? Process polyhedron. |
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319 | std::ostringstream oss; |
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320 | oss << polyhedron; |
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321 | *fCurrentItem += oss.str(); |
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322 | |
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323 | //?? Or... here are some ideas for decomposing into polygons... |
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324 | //Assume all facets are convex quadrilaterals. |
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325 | //Draw each G4Facet individually |
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326 | |
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327 | //Get colour, etc.. |
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328 | if (polyhedron.GetNoFacets() == 0) return; |
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329 | |
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330 | // Get vis attributes - pick up defaults if none. |
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331 | const G4VisAttributes* pVA = |
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332 | fpViewer -> GetApplicableVisAttributes (polyhedron.GetVisAttributes ()); |
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333 | |
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334 | // Get view parameters that the user can force through the vis |
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335 | // attributes, thereby over-riding the current view parameter. |
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336 | G4ViewParameters::DrawingStyle drawing_style = GetDrawingStyle (pVA); |
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337 | //G4bool isAuxEdgeVisible = GetAuxEdgeVisible (pVA); |
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338 | |
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339 | //Get colour, etc.. |
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340 | //const G4Colour& c = pVA -> GetColour (); |
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341 | |
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342 | // Initial action depending on drawing style. |
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343 | switch (drawing_style) { |
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344 | case (G4ViewParameters::hsr): |
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345 | { |
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346 | break; |
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347 | } |
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348 | case (G4ViewParameters::hlr): |
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349 | { |
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350 | break; |
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351 | } |
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352 | case (G4ViewParameters::wireframe): |
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353 | { |
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354 | break; |
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355 | } |
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356 | default: |
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357 | { |
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358 | break; |
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359 | } |
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360 | } |
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361 | |
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362 | // Loop through all the facets... |
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363 | |
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364 | // Look at G4OpenGLSceneHandler::AddPrimitive(const G4Polyhedron&) |
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365 | // for an example of how to get facets out of a G4Polyhedron, |
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366 | // including how to cope with triangles if that's a problem. |
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367 | } |
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368 | |
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369 | void G4XXXStoredSceneHandler::AddPrimitive(const G4NURBS&) { |
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370 | #ifdef G4XXXStoredDEBUG |
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371 | G4cout << |
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372 | "G4XXXStoredSceneHandler::AddPrimitive(const G4NURBS& nurbs) called." |
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373 | << G4endl; |
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374 | #endif |
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375 | //?? Don't bother implementing this. NURBS are not functional. |
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376 | } |
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377 | |
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378 | void G4XXXStoredSceneHandler::ClearStore () { |
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379 | |
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380 | G4VSceneHandler::ClearStore (); // Sets need kernel visit, etc. |
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381 | |
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382 | fStore.clear(); |
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383 | fPermanents.clear(); |
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384 | fTransients.clear(); |
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385 | } |
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386 | |
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387 | void G4XXXStoredSceneHandler::ClearTransientStore () { |
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388 | |
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389 | G4VSceneHandler::ClearTransientStore (); |
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390 | |
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391 | typedef std::list<G4String> Store; |
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392 | typedef std::list<G4String>::iterator StoreIterator; |
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393 | typedef std::vector<StoreIterator>::iterator StoreIteratorIterator; |
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394 | for (StoreIteratorIterator i = fTransients.begin(); |
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395 | i != fTransients.end(); ++i) { |
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396 | fStore.erase(*i); |
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397 | } |
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398 | fTransients.clear(); |
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399 | |
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400 | // Make sure screen corresponds to graphical database... |
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401 | if (fpViewer) { |
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402 | fpViewer -> SetView (); |
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403 | fpViewer -> ClearView (); |
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404 | fpViewer -> DrawView (); |
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405 | } |
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406 | } |
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