Import Geant4 0.1.0 source tree

2016-06-08 15:09:25 +02:00
parent b97f8d0df7
commit aaa409b6ee
2922 changed files with 55107 additions and 81674 deletions
@@ -0,0 +1,132 @@
+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4VRML2Viewer.cc,v 1.2 1999/01/11 00:48:12 allison Exp $
+// GEANT4 tag $Name: geant4-00-01 $
+//
+// G4VRML2Viewer.cc
+// Satoshi Tanaka & Yasuhide Sawada
+
+//=================//
+#ifdef G4VIS_BUILD_VRML_DRIVER
+//=================//
+
+
+//#define DEBUG_FR_VIEW
+
+#include <math.h>
+
+#include "G4Scene.hh"
+#include "G4VRML2Viewer.hh"
+#include "G4VRML2SceneHandler.hh"
+#include "G4VRML2.hh"
+#include "G4ios.hh"
+
+G4VRML2Viewer::G4VRML2Viewer(G4VRML2SceneHandler& scene, const G4String& name) :
+ G4VViewer(scene, scene.IncrementViewCount(), name),
+ fSceneHandler(scene),
+ fDest(scene.fDest)
+{
+	fViewHalfAngle = 0.5 * 0.785398 ; // 0.5 * 45*deg
+	fsin_VHA       = sin ( fViewHalfAngle ) ;	
+}
+
+G4VRML2Viewer::~G4VRML2Viewer()
+{}
+
+void G4VRML2Viewer::SetView()
+{
+#if defined DEBUG_FR_VIEW
+	G4cerr << "***** G4VRML2Viewer::SetView()" << endl;
+	G4cerr << "G4VRML2Viewer::SetView(); not imlemented. " << endl;
+#endif
+
+// Do nothing, since VRML a browser is running as a different process.
+// SendViewParameters () will do this job instead.
+
+}
+
+
+void G4VRML2Viewer::DrawView()
+{
+#if defined DEBUG_FR_VIEW
+	G4cerr << "***** G4VRML2Viewer::DrawView()" << endl;
+#endif
+	// Open VRML2 file and output header comments
+	fSceneHandler.beginSending() ;
+
+        // Viewpoint node
+        SendViewParameters(); 
+
+	// Here is a minimal DrawView() function.
+	NeedKernelVisit();
+	ProcessView();
+	FinishView();
+}
+
+void G4VRML2Viewer::ClearView(void)
+{
+#if defined DEBUG_FR_VIEW
+	G4cerr << "***** G4VRML2Viewer::ClearView()" << endl;
+	G4cerr << "G4VRML2Viewer::ClearView(); not implemented. " << endl;
+#endif
+}
+
+void G4VRML2Viewer::ShowView(void)
+{
+#if defined DEBUG_FR_VIEW
+	G4cerr << "***** G4VRML2Viewer::ShowView()" << endl;
+#endif
+	fSceneHandler.endSending();
+}
+
+void G4VRML2Viewer::FinishView(void)
+{
+#if defined DEBUG_FR_VIEW
+	G4cerr << "***** G4VRML2Viewer::FinishView()" << endl;
+	//G4cerr << "G4VRML2Viewer::FinishView(); not implemented. " << endl;
+#endif
+	//fSceneHandler.endSending();
+}
+
+void G4VRML2Viewer::SendViewParameters () 
+{
+  // Calculates view representation based on extent of object being
+  // viewed and (initial) direction of camera.  (Note: it can change
+  // later due to user interaction via visualization system's GUI.)
+
+#if defined DEBUG_FR_VIEW
+      G4cerr << "***** G4VRML2Viewer::SendViewParameters()\n";
+#endif 
+	// error recovery
+	if ( fsin_VHA < 1.0e-6 ) { return ; } 
+
+	// camera distance
+	G4double extent_radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
+	G4double camera_distance = extent_radius / fsin_VHA ;
+
+	// camera position on Z axis
+	const G4Point3D&	target_point = fVP.GetCurrentTargetPoint();
+	G4double		E_z = target_point.z() + camera_distance;
+	G4Point3D		E(0.0, 0.0, E_z );
+
+	// VRML codes are generated below	
+	fDest << endl;
+	fDest << "#---------- CAMERA" << endl;
+	fDest << "Viewpoint {"         << endl;
+	fDest << "\t" << "position "           ;
+	fDest                 << E.x() << " "  ;
+	fDest                 << E.y() << " "  ;
+	fDest                 << E.z() << endl ;
+	fDest << "}" << endl;
+	fDest << endl;
+
+} 
+
+
+
+#endif