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: G4DAWNFILEViewer.cc,v 1.21 2010/11/11 01:13:42 akimura Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | // Satoshi TANAKA |
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31 | // DAWNFILE view - opens window, hard copy, etc. |
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32 | |
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33 | |
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34 | #define __G_ANSI_C__ |
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35 | #define G4DAWNFILE_STRUCTURE_PRIORITY 1. |
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36 | |
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37 | // #define DEBUG_FR_VIEW |
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38 | |
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39 | #include "G4ios.hh" |
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40 | #include <stdio.h> |
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41 | #include <string.h> |
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42 | #include <assert.h> |
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43 | |
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44 | #include "G4VisManager.hh" |
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45 | #include "G4Scene.hh" |
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46 | #include "G4Vector3D.hh" |
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47 | #include "G4VisExtent.hh" |
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48 | #include "G4LogicalVolume.hh" |
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49 | #include "G4VSolid.hh" |
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50 | |
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51 | #include "G4FRConst.hh" |
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52 | #include "G4DAWNFILE.hh" |
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53 | #include "G4DAWNFILESceneHandler.hh" |
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54 | #include "G4DAWNFILEViewer.hh" |
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55 | |
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56 | |
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57 | |
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58 | //----- constants |
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59 | const char FR_ENV_MULTI_WINDOW [] = "G4DAWN_MULTI_WINDOW" ; |
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60 | const char FR_ENV_MULTI_WINDOW2[] = "G4DAWNFILE_MULTI_WINDOW" ; |
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61 | |
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62 | //----- G4DAWNFILEViewer, constructor |
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63 | G4DAWNFILEViewer::G4DAWNFILEViewer (G4DAWNFILESceneHandler& sceneHandler, |
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64 | const G4String& name): |
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65 | G4VViewer (sceneHandler, |
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66 | sceneHandler.IncrementViewCount (), |
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67 | name), |
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68 | fSceneHandler (sceneHandler) |
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69 | { |
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70 | // Set a g4.prim-file viewer |
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71 | strcpy( fG4PrimViewer, "dawn" ); |
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72 | if( getenv( "G4DAWNFILE_VIEWER" ) != NULL ) { |
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73 | strcpy( fG4PrimViewer, getenv( "G4DAWNFILE_VIEWER" ) ) ; |
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74 | } |
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75 | |
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76 | // string for viewer invocation |
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77 | if ( !strcmp( fG4PrimViewer, "NONE" ) ) { |
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78 | |
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79 | strcpy( fG4PrimViewerInvocation, "" ); |
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80 | } else { |
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81 | |
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82 | strcpy( fG4PrimViewerInvocation, fG4PrimViewer ); |
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83 | strcat( fG4PrimViewerInvocation, " "); |
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84 | strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() ); |
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85 | } |
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86 | |
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87 | // Set a PostScript Viewer |
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88 | // strcpy( fPSViewer, "ghostview" ); |
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89 | strcpy( fPSViewer, "gv" ); |
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90 | if( getenv( "G4DAWNFILE_PS_VIEWER" ) != NULL ) { |
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91 | strcpy( fPSViewer, getenv( "G4DAWNFILE_PS_VIEWER" ) ) ; |
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92 | } |
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93 | |
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94 | } |
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95 | |
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96 | //----- G4DAWNFILEViewer, destructor |
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97 | G4DAWNFILEViewer::~G4DAWNFILEViewer () |
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98 | {} |
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99 | |
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100 | //----- G4DAWNFILEViewer::SetView () |
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101 | void G4DAWNFILEViewer::SetView () |
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102 | { |
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103 | #if defined DEBUG_FR_VIEW |
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104 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) |
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105 | G4cout << "***** G4DAWNFILEViewer::SetView(): No effects" << G4endl; |
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106 | #endif |
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107 | // Do nothing, since DAWN is running as a different process. |
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108 | // SendViewParameters () will do this job instead. |
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109 | } |
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110 | |
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111 | |
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112 | //----- G4DAWNFILEViewer::ClearView() |
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113 | void |
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114 | G4DAWNFILEViewer::ClearView( void ) |
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115 | { |
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116 | #if defined DEBUG_FR_VIEW |
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117 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) |
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118 | G4cout << "***** G4DAWNFILEViewer::ClearView (): No effects " << G4endl; |
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119 | #endif |
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120 | if (fSceneHandler.fPrimDest.IsOpen()) { |
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121 | fSceneHandler.fPrimDest.Close(); |
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122 | // Re-open with same filename... |
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123 | fSceneHandler.fPrimDest.Open(fSceneHandler.fG4PrimFileName); |
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124 | fSceneHandler.SendStr( FR_G4_PRIM_HEADER ); |
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125 | fSceneHandler.FRflag_in_modeling = false; |
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126 | fSceneHandler.FRBeginModeling(); |
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127 | } |
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128 | } |
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129 | |
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130 | |
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131 | //----- G4DAWNFILEViewer::DrawView () |
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132 | void G4DAWNFILEViewer::DrawView () |
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133 | { |
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134 | #if defined DEBUG_FR_VIEW |
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135 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) |
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136 | G4cout << "***** G4DAWNFILEViewer::DrawView () " << G4endl; |
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137 | #endif |
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138 | //----- |
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139 | fSceneHandler.FRBeginModeling() ; |
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140 | |
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141 | //----- Always visit G4 kernel |
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142 | NeedKernelVisit (); |
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143 | |
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144 | //----- Draw |
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145 | ProcessView () ; |
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146 | |
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147 | } // G4DAWNFILEViewer::DrawView () |
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148 | |
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149 | |
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150 | |
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151 | //----- G4DAWNFILEViewer::ShowView() |
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152 | void G4DAWNFILEViewer::ShowView( void ) |
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153 | { |
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154 | #if defined DEBUG_FR_VIEW |
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155 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) |
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156 | G4cout << "***** G4DAWNFILEViewer::ShowView () " << G4endl; |
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157 | #endif |
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158 | |
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159 | if( fSceneHandler.FRIsInModeling() ) |
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160 | { |
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161 | //----- End of modeling |
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162 | // !EndModeling, !DrawAll, !CloseDevice, |
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163 | // close g4.prim |
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164 | fSceneHandler.FREndModeling(); |
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165 | |
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166 | //----- Output DAWN GUI file |
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167 | SendViewParameters(); |
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168 | |
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169 | //----- string for viewer invocation |
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170 | if ( !strcmp( fG4PrimViewer, "NONE" ) ) { |
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171 | |
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172 | strcpy( fG4PrimViewerInvocation, "" ); |
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173 | } else { |
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174 | |
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175 | strcpy( fG4PrimViewerInvocation, fG4PrimViewer ); |
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176 | strcat( fG4PrimViewerInvocation, " "); |
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177 | strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() ); |
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178 | } |
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179 | |
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180 | |
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181 | //----- Invoke DAWN |
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182 | G4cout << G4endl ; |
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183 | if( false == G4FRofstream::DoesFileExist( fSceneHandler.GetG4PrimFileName() ) ) |
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184 | { |
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185 | G4cout << "ERROR: Failed to generate file "; |
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186 | G4cout << fSceneHandler.GetG4PrimFileName() << G4endl; |
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187 | |
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188 | } else if( strcmp( GetG4PrimViewerInvocation(), "" ) ) |
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189 | { |
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190 | G4cout << "File " << fSceneHandler.GetG4PrimFileName() ; |
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191 | G4cout << " is generated." << G4endl; |
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192 | G4cout << GetG4PrimViewerInvocation() << G4endl; |
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193 | system( GetG4PrimViewerInvocation() ); |
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194 | |
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195 | } else { // no view, i.e., only file generation |
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196 | G4cout << "File " << fSceneHandler.GetG4PrimFileName() ; |
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197 | G4cout << " is generated." << G4endl; |
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198 | G4cout << "No viewer is invoked." << G4endl; |
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199 | } |
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200 | |
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201 | } |
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202 | |
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203 | } // G4DAWNFILEViewer::ShowView() |
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204 | |
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205 | |
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206 | //----- G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( std::ostream& out ) |
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207 | void G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( std::ostream& out ) |
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208 | { |
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209 | /////////////////////// |
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210 | //#if defined DEBUG_FR_VIEW |
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211 | // G4cout << "***** G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI()" << G4endl; |
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212 | //#endif |
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213 | ////////////////////// |
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214 | |
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215 | G4int style = fVP.GetDrawingStyle(); |
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216 | |
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217 | enum { FR_WIREFRAME = 1, FR_WF_STORED = 2, FR_HID =3 , \ |
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218 | FR_HID2 = 4, FR_HID3 = 5, FR_DRAWING_MODE_END = 6 }; |
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219 | |
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220 | switch( style ) |
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221 | { |
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222 | case G4ViewParameters::wireframe: |
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223 | out << FR_WIREFRAME << G4endl; |
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224 | break; |
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225 | case G4ViewParameters::hlr: |
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226 | out << FR_HID2 << G4endl; // LINE |
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227 | break; |
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228 | case G4ViewParameters::hsr: |
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229 | case G4ViewParameters::hlhsr: |
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230 | out << FR_HID << G4endl; // SURFACE |
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231 | break; |
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232 | default: |
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233 | out << FR_WIREFRAME << G4endl; |
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234 | break; |
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235 | } |
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236 | |
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237 | } // G4DAWNFILEViewer::SendDrawingStyle() |
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238 | |
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239 | |
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240 | |
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241 | //----- |
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242 | void G4DAWNFILEViewer::SendViewParameters () |
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243 | { |
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244 | // Calculates view representation based on extent of object being |
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245 | // viewed and (initial) direction of camera. (Note: it can change |
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246 | // later due to user interaction via visualization system's GUI.) |
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247 | |
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248 | #if defined DEBUG_FR_VIEW |
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249 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) { |
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250 | G4cout << "***** G4DAWNFILEViewer::SendViewParameters() "; |
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251 | G4cout << "(GUI parameters)" << G4endl; |
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252 | } |
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253 | #endif |
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254 | |
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255 | //----- Magic number to decide camera distance automatically |
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256 | const G4double HOW_FAR = 1000.0 ; // to define "infinity" |
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257 | const G4double MIN_HALF_ANGLE = 0.01 ; |
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258 | const G4double MAX_HALF_ANGLE = 0.499 * pi ; |
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259 | |
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260 | //----- CALC camera distance |
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261 | //..... Note: Camera cannot enter inside object |
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262 | G4double camera_distance ; |
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263 | G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius(); |
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264 | |
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265 | G4double half_view_angle = std::fabs ( fVP.GetFieldHalfAngle () ) ; |
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266 | if( half_view_angle > MAX_HALF_ANGLE ) { |
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267 | half_view_angle = MAX_HALF_ANGLE ; |
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268 | } |
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269 | |
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270 | if( half_view_angle < MIN_HALF_ANGLE ) { |
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271 | //----- infinity (or ortho projection) |
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272 | camera_distance = radius * HOW_FAR ; |
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273 | } else { |
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274 | //----- Calc camera distance from half view angle |
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275 | camera_distance = radius / std::sin ( half_view_angle ); |
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276 | camera_distance -= fVP.GetDolly(); |
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277 | } |
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278 | |
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279 | if ( camera_distance < radius ) { |
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280 | if (G4VisManager::GetVerbosity() >= G4VisManager::errors) { |
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281 | G4cout << "WARNING from DAWNFILE driver:" << G4endl; |
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282 | G4cout << " Camera cannot enter inside objects" << G4endl; |
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283 | } |
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284 | camera_distance = radius ; |
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285 | } |
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286 | |
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287 | //----- CALC camera direction |
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288 | const G4Vector3D& camera_direction \ |
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289 | = fVP.GetViewpointDirection().unit(); |
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290 | const G4double v_angle = (180.0 / pi) * camera_direction.theta() ; |
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291 | const G4double h_angle = (180.0 / pi) * camera_direction.phi () ; |
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292 | |
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293 | |
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294 | //########### Generation of the file .DAWN.history for DAWN GUI |
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295 | //----- |
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296 | std::ofstream gui_out (".DAWN_1.history") ; |
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297 | |
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298 | // ######### P1 |
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299 | |
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300 | //----- camera position |
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301 | gui_out << camera_distance << G4endl; |
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302 | gui_out << v_angle << G4endl ; |
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303 | gui_out << h_angle << G4endl ; |
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304 | gui_out << "0" << G4endl ; // auto target |
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305 | |
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306 | //----- target point |
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307 | const G4Point3D& target_point |
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308 | = fSceneHandler.GetScene()->GetStandardTargetPoint() |
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309 | + fVP.GetCurrentTargetPoint(); |
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310 | gui_out << target_point.x() << G4endl ; |
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311 | gui_out << target_point.y() << G4endl ; |
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312 | gui_out << target_point.z() << G4endl ; |
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313 | |
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314 | //----- Magnification |
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315 | const G4double zoom_factor = fVP.GetZoomFactor(); |
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316 | if( half_view_angle < MIN_HALF_ANGLE ) { |
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317 | |
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318 | gui_out << zoom_factor << G4endl; |
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319 | |
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320 | } else { |
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321 | const G4double FR_HALF_SCREEN_SIZE = 0.5 ; |
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322 | G4double focal_distance \ |
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323 | = FR_HALF_SCREEN_SIZE / std::tan( half_view_angle ); |
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324 | focal_distance *= zoom_factor ; |
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325 | |
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326 | gui_out << "fd" << focal_distance << G4endl; |
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327 | |
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328 | } |
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329 | SendDrawingStyleToDAWNGUI( gui_out ) ; // gui_out, viewing mode |
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330 | gui_out << "0.001" << G4endl ; // 3D Tolerance |
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331 | gui_out << "0" << G4endl ; // not display parameters |
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332 | |
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333 | |
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334 | // ######### P2 |
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335 | gui_out << 1 << G4endl; // Source light |
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336 | gui_out << 1 << G4endl; |
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337 | gui_out << 1 << G4endl; |
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338 | gui_out << 0.5 << G4endl; // Ambient light |
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339 | gui_out << 0.5 << G4endl; |
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340 | gui_out << 0.5 << G4endl; |
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341 | gui_out << 19.0 << G4endl; // Light direction (Polar) |
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342 | gui_out << 71.0 << G4endl; // Light direction (Azimuthal) |
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343 | |
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344 | // ######### P3 |
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345 | gui_out << 0.1 << G4endl; // Real edge width |
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346 | gui_out << 0.1 << G4endl; // outline width |
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347 | gui_out << 0.1 << G4endl; // aux edge width |
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348 | gui_out << 3 << G4endl; // aux edge style |
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349 | gui_out << 70.0<< G4endl; // aux-edge threshold angle |
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350 | gui_out << 0.1 << G4endl; // line width |
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351 | gui_out << 0 << G4endl; // haloing |
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352 | gui_out << 1 << G4endl; // Dashed edged for back faces |
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353 | |
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354 | //######### P4 |
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355 | //----- drawing device |
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356 | // enum {PS=1, XWIN=2, PS2=3, XWIN2=4, OPEN_GL=5, DEVICE_END=6}; |
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357 | if( ( ( getenv( FR_ENV_MULTI_WINDOW ) != NULL ) && \ |
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358 | ( strcmp( getenv( FR_ENV_MULTI_WINDOW ),"0" ) ) ) || \ |
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359 | ( ( getenv( FR_ENV_MULTI_WINDOW2 ) != NULL ) && \ |
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360 | ( strcmp( getenv( FR_ENV_MULTI_WINDOW2 ),"0" ) ) ) ) |
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361 | { |
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362 | gui_out << 2 << G4endl; // OpenWindow |
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363 | } else { |
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364 | gui_out << 1 << G4endl; // Invoke PS viewer |
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365 | } |
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366 | |
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367 | gui_out << GetPSViewer() << G4endl; // PS viewer |
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368 | gui_out << 1 << G4endl ; // Do not add showpage |
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369 | gui_out << 0 << G4endl ; // Non-append mode |
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370 | |
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371 | gui_out.close(); |
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372 | //########### end of generating file .DAWN.history |
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373 | |
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374 | |
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375 | } |
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