Import Geant4 0.1.0 source tree
This commit is contained in:
Gabriele Cosmo
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4DAWNFILEViewer.cc,v 1.2 1999/01/11 00:47:21 allison Exp $
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// GEANT4 tag $Name: geant4-00-01 $
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//
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// Satoshi TANAKA
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// DAWNFILE view - opens window, hard copy, etc.
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//=================//
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#ifdef G4VIS_BUILD_DAWNFILE_DRIVER
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//=================//
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#define __G_ANSI_C__
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#define G4DAWNFILE_STRUCTURE_PRIORITY 1.
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// #define DEBUG_FR_VIEW
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#include "G4ios.hh"
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "G4Scene.hh"
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#include "G4Vector3D.hh"
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#include "G4VisExtent.hh"
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#include "G4LogicalVolume.hh"
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#include "G4VSolid.hh"
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#include "G4FRConst.hh"
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#include "G4DAWNFILE.hh"
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#include "G4DAWNFILESceneHandler.hh"
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#include "G4DAWNFILEViewer.hh"
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//----- constants
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const char FR_ENV_MULTI_WINDOW[] = "G4DAWN_MULTI_WINDOW" ;
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//----- G4DAWNFILEViewer, constructor
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G4DAWNFILEViewer::G4DAWNFILEViewer (G4DAWNFILESceneHandler& scene,
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const G4String& name):
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G4VViewer (scene, scene.IncrementViewCount (), name), fSceneHandler (scene)
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{
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// Set a g4.prim-file viewer
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strcpy( fG4PrimViewer, "dawn" );
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if( getenv( "G4DAWNFILE_VIEWER" ) != NULL ) {
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strcpy( fG4PrimViewer, getenv( "G4DAWNFILE_VIEWER" ) ) ;
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}
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// string for viewer invocation
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if ( !strcmp( fG4PrimViewer, "NONE" ) ) {
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strcpy( fG4PrimViewerInvocation, "" );
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} else {
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strcpy( fG4PrimViewerInvocation, fG4PrimViewer );
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strcat( fG4PrimViewerInvocation, " ");
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strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() );
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}
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// Set a PostScript Viewer
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strcpy( fPSViewer, "ghostview" );
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if( getenv( "G4DAWNFILE_PS_VIEWER" ) != NULL ) {
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strcpy( fPSViewer, getenv( "G4DAWNFILE_PS_VIEWER" ) ) ;
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}
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}
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//----- G4DAWNFILEViewer, destructor
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G4DAWNFILEViewer::~G4DAWNFILEViewer ()
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{}
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//----- G4DAWNFILEViewer::SetView ()
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void G4DAWNFILEViewer::SetView ()
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::SetView()\n";
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#endif
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// Do nothing, since DAWN is running as a different process.
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// SendViewParameters () will do this job instead.
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}
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//----- G4DAWNFILEViewer::ClearView()
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void
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G4DAWNFILEViewer::ClearView( void )
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::ClearView () " << endl;
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#endif
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//----- Begin saving data to g4.prim
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fSceneHandler.BeginSavingG4Prim();
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//----- Clear old data
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fSceneHandler.SendStr( FR_CLEAR_DATA );
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}
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//----- G4DAWNFILEViewer::DrawView ()
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void G4DAWNFILEViewer::DrawView ()
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::DrawView () " << endl;
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#endif
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//----- Error recovery
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if( fSceneHandler.IsInModeling() ) {
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G4cerr << "WARNING from DAWNFILE driver:" << endl;
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G4cerr << " You've invoked a drawing command before " << endl;
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G4cerr << " completing your previous visualization." << endl;
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// G4cerr << " You should have invoked command, /vis~/show/view," << endl;
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// G4cerr << " to complete it." << endl;
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FlushView();
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}
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//----- Begin Saving g4.prim file
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fSceneHandler.BeginSavingG4Prim();
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//----- set view if necessary
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SendViewParameters();
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// Camera data should be sent at every time, even if
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// the setting is unchanged at GEANT 4 side.
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//----- Always visit G4 kernel
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NeedKernelVisit ();
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//----- Draw
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ProcessView () ;
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} // G4DAWNFILEViewer::DrawView ()
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//----- G4DAWNFILEViewer::ShowView()
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void G4DAWNFILEViewer::ShowView( void )
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::ShowView () " << endl;
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#endif
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if( fSceneHandler.IsInModeling() ) // if( fSceneHandler.flag_in_modeling )
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{
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//----- End of Data
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fSceneHandler.FREndModeling();
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//----- Draw all
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fSceneHandler.SendStr( FR_DRAW_ALL );
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//----- Close device
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fSceneHandler.SendStr( FR_CLOSE_DEVICE );
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//----- End saving data to g4.prim
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fSceneHandler.EndSavingG4Prim() ;
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//----- string for viewer invocation
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if ( !strcmp( fG4PrimViewer, "NONE" ) ) {
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strcpy( fG4PrimViewerInvocation, "" );
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} else {
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strcpy( fG4PrimViewerInvocation, fG4PrimViewer );
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strcat( fG4PrimViewerInvocation, " ");
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strcat( fG4PrimViewerInvocation, fSceneHandler.GetG4PrimFileName() );
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}
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//----- Invoke DAWN
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if( false == G4FRofstream::DoesFileExist( fSceneHandler.GetG4PrimFileName() ) )
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{
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G4cout << "ERROR: Failed to generate file ";
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G4cout << fSceneHandler.GetG4PrimFileName() << endl;
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} else if( strcmp( GetG4PrimViewerInvocation(), "" ) )
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{
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G4cout << "File " << fSceneHandler.GetG4PrimFileName() ;
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G4cout << " is generated." << endl;
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G4cout << GetG4PrimViewerInvocation() << endl;
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system( GetG4PrimViewerInvocation() );
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} else { // no view, i.e., only file generation
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G4cout << "File " << fSceneHandler.GetG4PrimFileName() ;
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G4cout << " is generated." << endl;
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G4cout << "No viewer is invoked." << endl;
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}
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}
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} // G4DAWNFILEViewer::ShowView()
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//----- G4DAWNFILEViewer::FlushView()
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void G4DAWNFILEViewer::FlushView( void )
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::Flush () " << endl;
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#endif
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ShowView();
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}
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//----- G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( ostream& out )
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void G4DAWNFILEViewer::SendDrawingStyleToDAWNGUI( ostream& out )
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{
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::SendDrawingStyle() " << endl;
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#endif
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G4int style = fVP.GetDrawingStyle();
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enum { FR_WIREFRAME = 1, FR_WF_STORED = 2, FR_HID =3 , \
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FR_HID2 = 4, FR_HID3 = 5, FR_DRAWING_MODE_END = 6 };
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switch( style )
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{
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case G4ViewParameters::wireframe:
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out << FR_WIREFRAME << endl;
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break;
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case G4ViewParameters::hlr:
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out << FR_HID2 << endl; // LINE
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break;
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case G4ViewParameters::hsr:
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case G4ViewParameters::hlhsr:
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out << FR_HID << endl; // SURFACE
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break;
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default:
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out << FR_WIREFRAME << endl;
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break;
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}
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} // G4DAWNFILEViewer::SendDrawingStyle()
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//----- G4DAWNFILEViewer::SendViewParameters ()
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void G4DAWNFILEViewer::SendViewParameters ()
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{
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// Calculates view representation based on extent of object being
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// viewed and (initial) direction of camera. (Note: it can change
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// later due to user interaction via visualization system's GUI.)
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#if defined DEBUG_FR_VIEW
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G4cerr << "***** G4DAWNFILEViewer::SendViewParameters()\n";
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#endif
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//----- Magic number to decide camera distance automatically
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const G4double HOW_FAR = 1000.0 ; // to define "infinity"
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const G4double MIN_HALF_ANGLE = 0.01 ;
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const G4double MAX_HALF_ANGLE = 0.499 * M_PI ;
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//----- Send Bounding Box
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fSceneHandler.SendBoundingBox();
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//----- CALC camera distance
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//..... Note: Camera cannot enter inside object
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G4double camera_distance ;
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G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
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G4double half_view_angle = fabs ( fVP.GetFieldHalfAngle () ) ;
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if( half_view_angle > MAX_HALF_ANGLE ) {
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half_view_angle = MAX_HALF_ANGLE ;
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}
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if( half_view_angle < MIN_HALF_ANGLE ) {
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//----- infinity (or ortho projection)
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camera_distance = radius * HOW_FAR ;
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} else {
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//----- Calc camera distance from half view angle
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camera_distance = radius / sin ( half_view_angle );
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camera_distance -= fVP.GetDolly();
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}
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if ( camera_distance < radius ) {
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G4cerr << "WARNING from DAWNFILE driver:" << endl;
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G4cerr << " Camera cannot enter inside objects" << endl;
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camera_distance = radius ;
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}
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//----- CALC camera direction
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const G4Vector3D& camera_direction \
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= fVP.GetViewpointDirection().unit();
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const G4double v_angle = (180.0 / M_PI) * camera_direction.theta() ;
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const G4double h_angle = (180.0 / M_PI) * camera_direction.phi () ;
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//########### Generation of the file .DAWN.history for DAWN GUI
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//-----
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ofstream gui_out (".DAWN.history") ;
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// ######### P1
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//----- camera position
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gui_out << camera_distance << endl;
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gui_out << v_angle << endl ;
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gui_out << h_angle << endl ;
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gui_out << "0" << endl ; // auto target
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//----- target point
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const G4Point3D& target_point = fVP.GetCurrentTargetPoint();
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gui_out << target_point.x() << endl ;
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gui_out << target_point.y() << endl ;
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gui_out << target_point.z() << endl ;
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//----- Magnification
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const G4double zoom_factor = fVP.GetZoomFactor();
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if( half_view_angle < MIN_HALF_ANGLE ) {
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gui_out << zoom_factor << endl;
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} else {
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const G4double FR_HALF_SCREEN_SIZE = 0.5 ;
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G4double focal_distance \
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= FR_HALF_SCREEN_SIZE / tan( half_view_angle );
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focal_distance *= zoom_factor ;
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gui_out << "fd" << focal_distance << endl;
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}
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SendDrawingStyleToDAWNGUI( gui_out ) ; // gui_out, viewing mode
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gui_out << "0.001" << endl ; // 3D Tolerance
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gui_out << "0" << endl ; // not display parameters
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// ######### P2
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gui_out << 1 << endl; // Source light
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gui_out << 1 << endl;
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gui_out << 1 << endl;
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gui_out << 0.5 << endl; // Ambient light
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gui_out << 0.5 << endl;
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gui_out << 0.5 << endl;
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gui_out << 19.0 << endl; // Light direction (Polar)
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gui_out << 71.0 << endl; // Light direction (Azimuthal)
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// ######### P3
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gui_out << 0.1 << endl; // Real edge width
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gui_out << 0.1 << endl; // outline width
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gui_out << 0.1 << endl; // aux edge width
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gui_out << 3 << endl; // aux edge style
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gui_out << 70.0<< endl; // aux-edge threshold angle
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gui_out << 0.1 << endl; // line width
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gui_out << 0 << endl; // haloing
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gui_out << 1 << endl; // Dashed edged for back faces
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//######### P4
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//----- drawing device
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// enum {PS=1, XWIN=2, PS2=3, XWIN2=4, OPEN_GL=5, DEVICE_END=6};
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if( ( getenv( FR_ENV_MULTI_WINDOW ) != NULL ) && \
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( strcmp( getenv( FR_ENV_MULTI_WINDOW ),"0" ) ) )
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{
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gui_out << 2 << endl; // OpenWindow
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} else {
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gui_out << 1 << endl; // Invoke PS viewer
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}
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gui_out << GetPSViewer() << endl; // PS viewer
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gui_out << 0; // Add showpage
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gui_out.close();
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//########### end of generating file .DAWN.history
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//----- SET CAMERA
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fSceneHandler.SendStr( FR_SET_CAMERA );
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} // G4DAWNFILEViewer::SendViewParameters ()
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#endif // G4VIS_BUILD_DAWNFILE_DRIVER
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