00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 // John Allison 7th March 2006 00031 // A template for a file-writing graphics driver. 00032 //?? Lines beginning like this require specialisation for your driver. 00033 00034 #include "G4XXXFileViewer.hh" 00035 00036 #include "G4VSceneHandler.hh" 00037 #include "G4XXXFileSceneHandler.hh" 00038 #include <sstream> 00039 00040 void G4XXXFileViewer::FileWriter::Close() 00041 { 00042 if (fOpen) { 00043 G4cout << "Closing file " << fFileName << G4endl; 00044 fFile.close(); 00045 fOpen = false; 00046 } 00047 } 00048 00049 void G4XXXFileViewer::FileWriter::WriteItem(const G4String& item) 00050 { 00051 if (!fOpen) 00052 { 00053 std::ifstream ifs; 00054 std::ostringstream oss; 00055 G4int i = 0; 00056 do { 00057 oss.str(""); 00058 oss << "g4_" << i << ".XXXFile"; 00059 ifs.open(oss.str().c_str()); 00060 if (!ifs) break; // Doesn't exist, so can open a new file. 00061 else ifs.close(); 00062 ++i; 00063 } while(true); 00064 fFileName = oss.str(); 00065 G4cout << "Opening file " << fFileName << G4endl; 00066 fFile.open(fFileName.c_str()); 00067 fOpen = true; 00068 } 00069 if (fFile.good()) fFile << item << std::endl; 00070 else G4cout << "G4XXXFileViewer::FileWriter::WriteItem: ERROR" << G4endl; 00071 } 00072 00073 G4XXXFileViewer::G4XXXFileViewer 00074 (G4VSceneHandler& sceneHandler, const G4String& name): 00075 G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name) 00076 {} 00077 00078 G4XXXFileViewer::~G4XXXFileViewer() 00079 { 00080 fFileWriter.Close(); 00081 } 00082 00083 void G4XXXFileViewer::SetView() { 00084 #ifdef G4XXXFileDEBUG 00085 G4cout << "G4XXXFileViewer::SetView() called." << G4endl; 00086 #endif 00087 } 00088 00089 void G4XXXFileViewer::ClearView() { 00090 #ifdef G4XXXFileDEBUG 00091 G4cout << "G4XXXFileViewer::ClearView() called." << G4endl; 00092 #endif 00093 fFileWriter.Rewind(); 00094 } 00095 00096 void G4XXXFileViewer::DrawView() { 00097 #ifdef G4XXXFileDEBUG 00098 G4cout << "G4XXXFileViewer::DrawView() called." << G4endl; 00099 #endif 00100 00101 // First, a view should decide when to re-visit the G4 kernel. 00102 // Sometimes it might not be necessary, e.g., if the scene is stored 00103 // in a graphical database (e.g., OpenGL's display lists) and only 00104 // the viewing angle has changed. But graphics systems without a 00105 // graphical database will always need to visit the G4 kernel. 00106 00107 NeedKernelVisit (); // Default is - always visit G4 kernel. 00108 // Note: this routine sets the fNeedKernelVisit flag of *all* the 00109 // views of the scene. 00110 00111 ProcessView (); // The basic logic is here. 00112 00113 // Then a view may have more to do, e.g., display the graphical 00114 // database. That code should come here... 00115 00116 // ...before finally... 00117 FinishView (); // Flush streams and/or swap buffers. 00118 } 00119 00120 void G4XXXFileViewer::ShowView() { 00121 #ifdef G4XXXFileDEBUG 00122 G4cout << "G4XXXFileViewer::ShowView() called." << G4endl; 00123 #endif 00124 fFileWriter.Close(); 00125 }