Import Geant4 6.0.0 source tree

source/visualization/XXX/src/G4XXX.cc

@@ -22,7 +22,7 @@
 //
 //
 // $Id: G4XXX.cc,v 1.3 2001/08/25 00:22:20 johna Exp $
-// GEANT4 tag $Name: geant4-05-02 $
+// GEANT4 tag $Name: geant4-06-00 $
 //
 // 
 // John Allison  5th April 2001

source/visualization/XXX/src/G4XXXSceneHandler.cc

@@ -21,8 +21,8 @@
 // ********************************************************************
 //
 //
-// $Id: G4XXXSceneHandler.cc,v 1.11 2003/05/30 13:01:26 johna Exp $
-// GEANT4 tag $Name: geant4-05-02 $
+// $Id: G4XXXSceneHandler.cc,v 1.12 2003/11/12 13:16:56 johna Exp $
+// GEANT4 tag $Name: geant4-06-00 $
 //
 // 
 // John Allison  5th April 2001
@@ -394,3 +394,12 @@ void G4XXXSceneHandler::EstablishSpecials
 				       &fpCurrentPV,
 				       &fpCurrentLV);
 }
+
+void G4XXXSceneHandler::ClearTransientStore () {
+  G4VSceneHandler::ClearTransientStore ();
+  if (fpViewer) {
+    fpViewer -> SetView ();
+    fpViewer -> ClearView ();
+    fpViewer -> DrawView ();
+  }
+}

source/visualization/XXX/src/G4XXXViewer.cc

@@ -21,8 +21,8 @@
 // ********************************************************************
 //
 //
-// $Id: G4XXXViewer.cc,v 1.5 2003/06/16 17:14:01 gunter Exp $
-// GEANT4 tag $Name: geant4-05-02 $
+// $Id: G4XXXViewer.cc,v 1.6 2003/11/06 15:06:51 johna Exp $
+// GEANT4 tag $Name: geant4-06-00 $
 
 #include "G4XXXViewer.hh"
 
@@ -53,6 +53,21 @@ void G4XXXViewer::DrawView() {
 #ifdef G4XXXDEBUG
   G4cout << "G4XXXViewer::DrawView() called." << G4endl;
 #endif
-  NeedKernelVisit ();  // Always need to visit G4 kernel.
-  ProcessView ();
+
+  // First, a view should decide when to re-visit the G4 kernel.
+  // Sometimes it might not be necessary, e.g., if the scene is stored
+  // in a graphical database (e.g., OpenGL's display lists) and only
+  // the viewing angle has changed.  But graphics systems without a
+  // graphical database will always need to visit the G4 kernel.
+
+  NeedKernelVisit ();  // Default is - always visit G4 kernel.
+  // Note: this routine sets the fNeedKernelVisit flag of *all* the
+  // views of the scene.
+
+  ProcessView ();      // The basic logic is here.
+
+  // Then a view may have more to do, e.g., display the graphical
+  // database.  That code should come here before finally...
+
+  FinishView ();       // Flush streams and/or swap buffers.
 }