G4Vtk.cc

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// 
// John Allison  5th April 2001
// A template for a simplest possible graphics driver.
//?? Lines or sections marked like this require specialisation for your driver.
 
#include "G4Vtk.hh"
#include "G4VtkSceneHandler.hh"
#include "G4VtkViewer.hh"
#include "G4VtkMessenger.hh"
 
G4Vtk::G4Vtk(): G4VGraphicsSystem("VtkNative","VTKN","Vtk with native windowing",
                                  G4VGraphicsSystem::noFunctionality)
{
  G4VtkMessenger::GetInstance();
}
 
G4Vtk::~G4Vtk() {}
 
G4VSceneHandler* G4Vtk::CreateSceneHandler(const G4String& name) {
  G4VSceneHandler* pScene = new G4VtkSceneHandler(*this, name);
  return pScene;
}
 
G4VViewer* G4Vtk::CreateViewer(G4VSceneHandler& scene,
                               const G4String& name) {
  G4VViewer* pView = new G4VtkViewer((G4VtkSceneHandler&) scene, name);
  if (pView) {
    if (pView->GetViewId() < 0) {
      G4cerr << "G4Vtk::CreateViewer: ERROR flagged by negative"
                " view id in G4VtkViewer creation."
                "\n Destroying view and returning null pointer."
                << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cerr << "G4Vtk::CreateViewer: ERROR: null pointer on new G4VtkViewer." << G4endl;
  }
  return pView;
}