| 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 1.20 2006/06/29 21:16:54 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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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 "G4Scene.hh" |
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| 45 | #include "G4Vector3D.hh" |
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| 46 | #include "G4VisExtent.hh" |
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| 47 | #include "G4LogicalVolume.hh" |
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| 48 | #include "G4VSolid.hh" |
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| 49 | |
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| 50 | #include "G4FRConst.hh" |
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| 51 | #include "G4DAWNFILE.hh" |
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| 52 | #include "G4DAWNFILESceneHandler.hh" |
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| 53 | #include "G4DAWNFILEViewer.hh" |
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| 54 | |
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| 55 | |
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| 56 | |
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| 57 | //----- constants |
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| 58 | const char FR_ENV_MULTI_WINDOW [] = "G4DAWN_MULTI_WINDOW" ; |
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| 59 | const char FR_ENV_MULTI_WINDOW2[] = "G4DAWNFILE_MULTI_WINDOW" ; |
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| 60 | |
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| 61 | //----- G4DAWNFILEViewer, constructor |
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| 62 | G4DAWNFILEViewer::G4DAWNFILEViewer (G4DAWNFILESceneHandler& sceneHandler, |
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| 63 | const G4String& name): |
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| 64 | G4VViewer (sceneHandler, |
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| 65 | sceneHandler.IncrementViewCount (), |
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| 66 | name), |
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| 67 | fSceneHandler (sceneHandler) |
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| 68 | { |
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| 69 | // Set a g4.prim-file viewer |
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| 70 | strcpy( fG4PrimViewer, "dawn" ); |
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| 71 | if( getenv( "G4DAWNFILE_VIEWER" ) != NULL ) { |
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| 72 | strcpy( fG4PrimViewer, getenv( "G4DAWNFILE_VIEWER" ) ) ; |
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| 73 | } |
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| 74 | |
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| 75 | // string for viewer invocation |
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| 76 | if ( !strcmp( fG4PrimViewer, "NONE" ) ) { |
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| 77 | |
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| 78 | strcpy( fG4PrimViewerInvocation, "" ); |
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| 79 | } else { |
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| 80 | |
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| 81 | strcpy( fG4PrimViewerInvocation, fG4PrimViewer ); |
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| 82 | strcat( fG4PrimViewerInvocation, " "); |
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| 83 | strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() ); |
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| 84 | } |
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| 85 | |
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| 86 | // Set a PostScript Viewer |
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| 87 | // strcpy( fPSViewer, "ghostview" ); |
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| 88 | strcpy( fPSViewer, "gv" ); |
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| 89 | if( getenv( "G4DAWNFILE_PS_VIEWER" ) != NULL ) { |
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| 90 | strcpy( fPSViewer, getenv( "G4DAWNFILE_PS_VIEWER" ) ) ; |
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| 91 | } |
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| 92 | |
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| 93 | } |
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| 94 | |
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| 95 | //----- G4DAWNFILEViewer, destructor |
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| 96 | G4DAWNFILEViewer::~G4DAWNFILEViewer () |
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| 97 | {} |
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| 98 | |
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| 99 | //----- G4DAWNFILEViewer::SetView () |
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| 100 | void G4DAWNFILEViewer::SetView () |
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| 101 | { |
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| 102 | #if defined DEBUG_FR_VIEW |
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| 103 | G4cerr << "***** G4DAWNFILEViewer::SetView(): No effects" << G4endl; |
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| 104 | #endif |
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| 105 | // Do nothing, since DAWN is running as a different process. |
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| 106 | // SendViewParameters () will do this job instead. |
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| 107 | } |
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| 108 | |
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| 109 | |
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| 110 | //----- G4DAWNFILEViewer::ClearView() |
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| 111 | void |
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| 112 | G4DAWNFILEViewer::ClearView( void ) |
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| 113 | { |
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| 114 | #if defined DEBUG_FR_VIEW |
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| 115 | G4cerr << "***** G4DAWNFILEViewer::ClearView (): No effects " << G4endl; |
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| 116 | #endif |
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| 117 | if (fSceneHandler.fPrimDest.IsOpen()) { |
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| 118 | fSceneHandler.fPrimDest.Close(); |
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| 119 | // Re-open with same filename... |
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| 120 | fSceneHandler.fPrimDest.Open(fSceneHandler.fG4PrimFileName); |
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| 121 | fSceneHandler.SendStr( FR_G4_PRIM_HEADER ); |
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| 122 | fSceneHandler.FRflag_in_modeling = false; |
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| 123 | fSceneHandler.FRBeginModeling(); |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | |
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| 128 | //----- G4DAWNFILEViewer::DrawView () |
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| 129 | void G4DAWNFILEViewer::DrawView () |
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| 130 | { |
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| 131 | #if defined DEBUG_FR_VIEW |
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| 132 | G4cerr << "***** G4DAWNFILEViewer::DrawView () " << G4endl; |
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| 133 | #endif |
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| 134 | //----- |
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| 135 | fSceneHandler.FRBeginModeling() ; |
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| 136 | |
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| 137 | //----- Always visit G4 kernel |
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| 138 | NeedKernelVisit (); |
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| 139 | |
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| 140 | //----- Draw |
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| 141 | ProcessView () ; |
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| 142 | |
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| 143 | } // G4DAWNFILEViewer::DrawView () |
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| 144 | |
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| 145 | |
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| 146 | |
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| 147 | //----- G4DAWNFILEViewer::ShowView() |
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| 148 | void G4DAWNFILEViewer::ShowView( void ) |
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| 149 | { |
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| 150 | #if defined DEBUG_FR_VIEW |
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| 151 | G4cerr << "***** G4DAWNFILEViewer::ShowView () " << G4endl; |
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| 152 | #endif |
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| 153 | |
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| 154 | if( fSceneHandler.FRIsInModeling() ) |
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| 155 | { |
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| 156 | //----- End of modeling |
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| 157 | // !EndModeling, !DrawAll, !CloseDevice, |
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| 158 | // close g4.prim |
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| 159 | fSceneHandler.FREndModeling(); |
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| 160 | |
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| 161 | //----- Output DAWN GUI file |
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| 162 | SendViewParameters(); |
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| 163 | |
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| 164 | //----- string for viewer invocation |
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| 165 | if ( !strcmp( fG4PrimViewer, "NONE" ) ) { |
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| 166 | |
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| 167 | strcpy( fG4PrimViewerInvocation, "" ); |
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| 168 | } else { |
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| 169 | |
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| 170 | strcpy( fG4PrimViewerInvocation, fG4PrimViewer ); |
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| 171 | strcat( fG4PrimViewerInvocation, " "); |
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| 172 | strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() ); |
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| 173 | } |
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| 174 | |
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| 175 | |
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| 176 | //----- Invoke DAWN |
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| 177 | G4cout << G4endl ; |
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| 178 | if( false == G4FRofstream::DoesFileExist( fSceneHandler.GetG4PrimFileName() ) ) |
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| 179 | { |
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| 180 | G4cout << "ERROR: Failed to generate file "; |
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| 181 | G4cout << fSceneHandler.GetG4PrimFileName() << G4endl; |
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| 182 | |
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| 183 | } else if( strcmp( GetG4PrimViewerInvocation(), "" ) ) |
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| 184 | { |
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| 185 | G4cout << "File " << fSceneHandler.GetG4PrimFileName() ; |
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| 186 | G4cout << " is generated." << G4endl; |
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| 187 | G4cout << GetG4PrimViewerInvocation() << G4endl; |
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| 188 | system( GetG4PrimViewerInvocation() ); |
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| 189 | |
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| 190 | } else { // no view, i.e., only file generation |
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| 191 | G4cout << "File " << fSceneHandler.GetG4PrimFileName() ; |
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| 192 | G4cout << " is generated." << G4endl; |
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| 193 | G4cout << "No viewer is invoked." << G4endl; |
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| 194 | } |
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| 195 | |
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| 196 | } |
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| 197 | |
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| 198 | } // G4DAWNFILEViewer::ShowView() |
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| 199 | |
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| 200 | |
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| 201 | //----- G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( std::ostream& out ) |
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| 202 | void G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( std::ostream& out ) |
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| 203 | { |
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| 204 | /////////////////////// |
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| 205 | //#if defined DEBUG_FR_VIEW |
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| 206 | // G4cerr << "***** G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI()" << G4endl; |
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| 207 | //#endif |
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| 208 | ////////////////////// |
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| 209 | |
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| 210 | G4int style = fVP.GetDrawingStyle(); |
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| 211 | |
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| 212 | enum { FR_WIREFRAME = 1, FR_WF_STORED = 2, FR_HID =3 , \ |
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| 213 | FR_HID2 = 4, FR_HID3 = 5, FR_DRAWING_MODE_END = 6 }; |
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| 214 | |
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| 215 | switch( style ) |
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| 216 | { |
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| 217 | case G4ViewParameters::wireframe: |
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| 218 | out << FR_WIREFRAME << G4endl; |
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| 219 | break; |
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| 220 | case G4ViewParameters::hlr: |
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| 221 | out << FR_HID2 << G4endl; // LINE |
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| 222 | break; |
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| 223 | case G4ViewParameters::hsr: |
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| 224 | case G4ViewParameters::hlhsr: |
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| 225 | out << FR_HID << G4endl; // SURFACE |
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| 226 | break; |
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| 227 | default: |
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| 228 | out << FR_WIREFRAME << G4endl; |
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| 229 | break; |
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| 230 | } |
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| 231 | |
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| 232 | } // G4DAWNFILEViewer::SendDrawingStyle() |
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| 233 | |
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| 234 | |
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| 235 | |
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| 236 | //----- |
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| 237 | void G4DAWNFILEViewer::SendViewParameters () |
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| 238 | { |
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| 239 | // Calculates view representation based on extent of object being |
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| 240 | // viewed and (initial) direction of camera. (Note: it can change |
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| 241 | // later due to user interaction via visualization system's GUI.) |
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| 242 | |
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| 243 | #if defined DEBUG_FR_VIEW |
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| 244 | G4cerr << "***** G4DAWNFILEViewer::SendViewParameters() "; |
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| 245 | G4cerr << "(GUI parameters)" << G4endl; |
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| 246 | #endif |
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| 247 | |
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| 248 | //----- Magic number to decide camera distance automatically |
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| 249 | const G4double HOW_FAR = 1000.0 ; // to define "infinity" |
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| 250 | const G4double MIN_HALF_ANGLE = 0.01 ; |
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| 251 | const G4double MAX_HALF_ANGLE = 0.499 * pi ; |
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| 252 | |
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| 253 | //----- CALC camera distance |
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| 254 | //..... Note: Camera cannot enter inside object |
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| 255 | G4double camera_distance ; |
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| 256 | G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius(); |
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| 257 | |
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| 258 | G4double half_view_angle = std::fabs ( fVP.GetFieldHalfAngle () ) ; |
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| 259 | if( half_view_angle > MAX_HALF_ANGLE ) { |
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| 260 | half_view_angle = MAX_HALF_ANGLE ; |
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| 261 | } |
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| 262 | |
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| 263 | if( half_view_angle < MIN_HALF_ANGLE ) { |
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| 264 | //----- infinity (or ortho projection) |
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| 265 | camera_distance = radius * HOW_FAR ; |
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| 266 | } else { |
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| 267 | //----- Calc camera distance from half view angle |
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| 268 | camera_distance = radius / std::sin ( half_view_angle ); |
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| 269 | camera_distance -= fVP.GetDolly(); |
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| 270 | } |
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| 271 | |
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| 272 | if ( camera_distance < radius ) { |
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| 273 | G4cerr << "WARNING from DAWNFILE driver:" << G4endl; |
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| 274 | G4cerr << " Camera cannot enter inside objects" << G4endl; |
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| 275 | camera_distance = radius ; |
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| 276 | } |
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| 277 | |
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| 278 | //----- CALC camera direction |
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| 279 | const G4Vector3D& camera_direction \ |
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| 280 | = fVP.GetViewpointDirection().unit(); |
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| 281 | const G4double v_angle = (180.0 / pi) * camera_direction.theta() ; |
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| 282 | const G4double h_angle = (180.0 / pi) * camera_direction.phi () ; |
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| 283 | |
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| 284 | |
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| 285 | //########### Generation of the file .DAWN.history for DAWN GUI |
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| 286 | //----- |
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| 287 | std::ofstream gui_out (".DAWN_1.history") ; |
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| 288 | |
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| 289 | // ######### P1 |
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| 290 | |
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| 291 | //----- camera position |
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| 292 | gui_out << camera_distance << G4endl; |
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| 293 | gui_out << v_angle << G4endl ; |
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| 294 | gui_out << h_angle << G4endl ; |
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| 295 | gui_out << "0" << G4endl ; // auto target |
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| 296 | |
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| 297 | //----- target point |
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| 298 | const G4Point3D& target_point |
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| 299 | = fSceneHandler.GetScene()->GetStandardTargetPoint() |
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| 300 | + fVP.GetCurrentTargetPoint(); |
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| 301 | gui_out << target_point.x() << G4endl ; |
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| 302 | gui_out << target_point.y() << G4endl ; |
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| 303 | gui_out << target_point.z() << G4endl ; |
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| 304 | |
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| 305 | //----- Magnification |
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| 306 | const G4double zoom_factor = fVP.GetZoomFactor(); |
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| 307 | if( half_view_angle < MIN_HALF_ANGLE ) { |
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| 308 | |
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| 309 | gui_out << zoom_factor << G4endl; |
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| 310 | |
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| 311 | } else { |
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| 312 | const G4double FR_HALF_SCREEN_SIZE = 0.5 ; |
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| 313 | G4double focal_distance \ |
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| 314 | = FR_HALF_SCREEN_SIZE / std::tan( half_view_angle ); |
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| 315 | focal_distance *= zoom_factor ; |
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| 316 | |
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| 317 | gui_out << "fd" << focal_distance << G4endl; |
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| 318 | |
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| 319 | } |
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| 320 | SendDrawingStyleToDAWNGUI( gui_out ) ; // gui_out, viewing mode |
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| 321 | gui_out << "0.001" << G4endl ; // 3D Tolerance |
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| 322 | gui_out << "0" << G4endl ; // not display parameters |
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| 323 | |
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| 324 | |
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| 325 | // ######### P2 |
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| 326 | gui_out << 1 << G4endl; // Source light |
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| 327 | gui_out << 1 << G4endl; |
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| 328 | gui_out << 1 << G4endl; |
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| 329 | gui_out << 0.5 << G4endl; // Ambient light |
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| 330 | gui_out << 0.5 << G4endl; |
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| 331 | gui_out << 0.5 << G4endl; |
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| 332 | gui_out << 19.0 << G4endl; // Light direction (Polar) |
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| 333 | gui_out << 71.0 << G4endl; // Light direction (Azimuthal) |
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| 334 | |
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| 335 | // ######### P3 |
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| 336 | gui_out << 0.1 << G4endl; // Real edge width |
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| 337 | gui_out << 0.1 << G4endl; // outline width |
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| 338 | gui_out << 0.1 << G4endl; // aux edge width |
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| 339 | gui_out << 3 << G4endl; // aux edge style |
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| 340 | gui_out << 70.0<< G4endl; // aux-edge threshold angle |
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| 341 | gui_out << 0.1 << G4endl; // line width |
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| 342 | gui_out << 0 << G4endl; // haloing |
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| 343 | gui_out << 1 << G4endl; // Dashed edged for back faces |
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| 344 | |
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| 345 | //######### P4 |
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| 346 | //----- drawing device |
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| 347 | // enum {PS=1, XWIN=2, PS2=3, XWIN2=4, OPEN_GL=5, DEVICE_END=6}; |
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| 348 | if( ( ( getenv( FR_ENV_MULTI_WINDOW ) != NULL ) && \ |
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| 349 | ( strcmp( getenv( FR_ENV_MULTI_WINDOW ),"0" ) ) ) || \ |
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| 350 | ( ( getenv( FR_ENV_MULTI_WINDOW2 ) != NULL ) && \ |
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| 351 | ( strcmp( getenv( FR_ENV_MULTI_WINDOW2 ),"0" ) ) ) ) |
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| 352 | { |
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| 353 | gui_out << 2 << G4endl; // OpenWindow |
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| 354 | } else { |
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| 355 | gui_out << 1 << G4endl; // Invoke PS viewer |
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| 356 | } |
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| 357 | |
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| 358 | gui_out << GetPSViewer() << G4endl; // PS viewer |
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| 359 | gui_out << 1 << G4endl ; // Do not add showpage |
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| 360 | gui_out << 0 << G4endl ; // Non-append mode |
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| 361 | |
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| 362 | gui_out.close(); |
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| 363 | //########### end of generating file .DAWN.history |
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| 364 | |
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| 365 | |
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| 366 | } |
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