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: G4XXXFileViewer.cc,v 1.3 2006/07/03 16:52:49 allison Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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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 file-writing graphics driver. |
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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 "G4XXXFileViewer.hh" |
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36 | |
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37 | #include "G4VSceneHandler.hh" |
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38 | #include "G4XXXFileSceneHandler.hh" |
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39 | #include <sstream> |
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40 | |
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41 | void G4XXXFileViewer::FileWriter::Close() |
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42 | { |
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43 | if (fOpen) { |
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44 | G4cout << "Closing file " << fFileName << G4endl; |
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45 | fFile.close(); |
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46 | fOpen = false; |
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47 | } |
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48 | } |
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49 | |
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50 | void G4XXXFileViewer::FileWriter::WriteItem(const G4String& item) |
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51 | { |
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52 | if (!fOpen) |
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53 | { |
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54 | std::ifstream ifs; |
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55 | std::ostringstream oss; |
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56 | G4int i = 0; |
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57 | do { |
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58 | oss.str(""); |
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59 | oss << "g4_" << i << ".XXXFile"; |
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60 | ifs.open(oss.str().c_str()); |
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61 | if (!ifs) break; // Doesn't exist, so can open a new file. |
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62 | else ifs.close(); |
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63 | ++i; |
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64 | } while(true); |
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65 | fFileName = oss.str(); |
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66 | G4cout << "Opening file " << fFileName << G4endl; |
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67 | fFile.open(fFileName.c_str()); |
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68 | fOpen = true; |
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69 | } |
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70 | if (fFile.good()) fFile << item << std::endl; |
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71 | else G4cout << "G4XXXFileViewer::FileWriter::WriteItem: ERROR" << G4endl; |
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72 | } |
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73 | |
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74 | G4XXXFileViewer::G4XXXFileViewer |
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75 | (G4VSceneHandler& sceneHandler, const G4String& name): |
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76 | G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name) |
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77 | {} |
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78 | |
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79 | G4XXXFileViewer::~G4XXXFileViewer() |
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80 | { |
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81 | fFileWriter.Close(); |
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82 | } |
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83 | |
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84 | void G4XXXFileViewer::SetView() { |
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85 | #ifdef G4XXXFileDEBUG |
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86 | G4cout << "G4XXXFileViewer::SetView() called." << G4endl; |
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87 | #endif |
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88 | } |
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89 | |
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90 | void G4XXXFileViewer::ClearView() { |
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91 | #ifdef G4XXXFileDEBUG |
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92 | G4cout << "G4XXXFileViewer::ClearView() called." << G4endl; |
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93 | #endif |
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94 | fFileWriter.Rewind(); |
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95 | } |
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96 | |
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97 | void G4XXXFileViewer::DrawView() { |
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98 | #ifdef G4XXXFileDEBUG |
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99 | G4cout << "G4XXXFileViewer::DrawView() called." << G4endl; |
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100 | #endif |
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101 | |
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102 | // First, a view should decide when to re-visit the G4 kernel. |
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103 | // Sometimes it might not be necessary, e.g., if the scene is stored |
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104 | // in a graphical database (e.g., OpenGL's display lists) and only |
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105 | // the viewing angle has changed. But graphics systems without a |
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106 | // graphical database will always need to visit the G4 kernel. |
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107 | |
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108 | NeedKernelVisit (); // Default is - always visit G4 kernel. |
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109 | // Note: this routine sets the fNeedKernelVisit flag of *all* the |
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110 | // views of the scene. |
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111 | |
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112 | ProcessView (); // The basic logic is here. |
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113 | |
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114 | // Then a view may have more to do, e.g., display the graphical |
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115 | // database. That code should come here... |
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116 | |
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117 | // ...before finally... |
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118 | FinishView (); // Flush streams and/or swap buffers. |
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119 | } |
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120 | |
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121 | void G4XXXFileViewer::ShowView() { |
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122 | #ifdef G4XXXFileDEBUG |
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123 | G4cout << "G4XXXFileViewer::ShowView() called." << G4endl; |
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124 | #endif |
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125 | fFileWriter.Close(); |
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126 | } |
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