G4ASCIITree.cc

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// $Id$
//
// 
// John Allison  5th April 2001
// A graphics system to dump geometry hierarchy.
 
#include "G4ASCIITree.hh"
#include "G4ASCIITreeSceneHandler.hh"
#include "G4ASCIITreeViewer.hh"
#include "G4ASCIITreeMessenger.hh"
 
G4ASCIITree::G4ASCIITree ():
  G4VTree ("ASCIITree",
       "ATree",
       "A graphics system to dump geometry hierarchy"
       "\n  to standard output as an ASCII stream.",
       G4VGraphicsSystem::nonEuclidian),
  fVerbosity(0),
  fOutFileName ("G4cout")
{
  fpMessenger = new G4ASCIITreeMessenger(this);
}
 
G4ASCIITree::~G4ASCIITree () {
  delete fpMessenger;
}
 
G4VSceneHandler* G4ASCIITree::CreateSceneHandler (const G4String& name) {
  G4VSceneHandler* pScene = new G4ASCIITreeSceneHandler (*this, name);
  return pScene;
}
 
G4VViewer* G4ASCIITree::CreateViewer (G4VSceneHandler& scene,
                  const G4String& name) {
  G4VViewer* pView =
    new G4ASCIITreeViewer ((G4ASCIITreeSceneHandler&) scene, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      G4cout << "G4ASCIITree::CreateViewer: ERROR flagged by negative"
        " view id in G4ASCIITreeViewer creation."
        "\n Destroying view and returning null pointer."
           << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cout << "G4ASCIITree::CreateViewer: ERROR: null pointer on"
      " new G4ASCIITreeViewer." << G4endl;
  }
  return pView;
}