Changeset 712 for trunk/geant4/visualization/OpenGL/src/G4OpenGLViewer.cc

Timestamp:

Feb 5, 2008, 3:17:36 PM (16 years ago)

Author:

garnier

Message:

correction du ticket #119

File:

• trunk/geant4/visualization/OpenGL/src/G4OpenGLViewer.cc (modified) (2 diffs)

trunk/geant4/visualization/OpenGL/src/G4OpenGLViewer.cc

@@ -196 +196 @@
   }
   
+  printf("Set view to : %f %f %f %f %f %f \n",left, right, bottom, top, pnear, pfar);
   glMatrixMode (GL_MODELVIEW); // apply further transformations to scene.
   glLoadIdentity();
@@ -724 +725 @@
 }
 
+GLdouble G4OpenGLViewer::getSceneNearWidth()
+{
+  const G4Point3D targetPoint
+    = fSceneHandler.GetScene()->GetStandardTargetPoint()
+    + fVP.GetCurrentTargetPoint ();
+  G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
+  if(radius<=0.) radius = 1.;
+  const G4double cameraDistance = fVP.GetCameraDistance (radius);
+  const GLdouble pnear   = fVP.GetNearDistance (cameraDistance, radius);
+  return 2 * fVP.GetFrontHalfHeight (pnear, radius);
+}
+
+GLdouble G4OpenGLViewer::getSceneFarWidth()
+{
+  const G4Point3D targetPoint
+    = fSceneHandler.GetScene()->GetStandardTargetPoint()
+    + fVP.GetCurrentTargetPoint ();
+  G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
+  if(radius<=0.) radius = 1.;
+  const G4double cameraDistance = fVP.GetCameraDistance (radius);
+  const GLdouble pnear   = fVP.GetNearDistance (cameraDistance, radius);
+  const GLdouble pfar    = fVP.GetFarDistance  (cameraDistance, pnear, radius);
+  return 2 * fVP.GetFrontHalfHeight (pfar, radius);
+}
+
+
+GLdouble G4OpenGLViewer::getSceneDepth()
+{
+  const G4Point3D targetPoint
+    = fSceneHandler.GetScene()->GetStandardTargetPoint()
+    + fVP.GetCurrentTargetPoint ();
+  G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
+  if(radius<=0.) radius = 1.;
+  const G4double cameraDistance = fVP.GetCameraDistance (radius);
+  const GLdouble pnear   = fVP.GetNearDistance (cameraDistance, radius);
+  return fVP.GetFarDistance  (cameraDistance, pnear, radius)- pnear;
+}
+
+
 void G4OpenGLViewer::spewSortedFeedback(FILE * file, GLint size, GLfloat * buffer)
 {