G4HepRepFile.cc

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//
// $Id$
//
// 
// Joseph Perl  1 October 2001
// A graphics system to dump geometry hierarchy to the
// HepRep graphics format (HepRep version 1).

//HepRep
#include "G4HepRepFileXMLWriter.hh"

#include "G4HepRepFile.hh"
#include "G4HepRepFileSceneHandler.hh"
#include "G4HepRepFileViewer.hh"
#include "G4HepRepMessenger.hh"

static G4HepRepFileXMLWriter* hepRepXMLWriter;

G4HepRepFile::G4HepRepFile():
  G4VGraphicsSystem("G4HepRepFile",
            "HepRepFile",
            "A HepRep (format 1) ascii file driver",
            G4VGraphicsSystem::threeD) {
        G4HepRepMessenger::GetInstance();
        hepRepXMLWriter = new G4HepRepFileXMLWriter();
}

G4HepRepFile::~G4HepRepFile()
{
        delete hepRepXMLWriter;
}

G4VSceneHandler* G4HepRepFile::CreateSceneHandler(const G4String& name) {
  G4VSceneHandler* pScene = new G4HepRepFileSceneHandler(*this, name);
  return pScene;
}

G4VViewer* G4HepRepFile::CreateViewer(G4VSceneHandler& scene,
                   const G4String& name) {
  G4VViewer* pView =
    new G4HepRepFileViewer((G4HepRepFileSceneHandler&) scene, name);
  if (pView) {
    if (pView->GetViewId() < 0) {
      G4cout <<
    "G4HepRepFile::CreateViewer: ERROR flagged by negative"
        " view id in G4HepRepFileViewer creation."
        "\n Destroying view and returning null pointer."
         << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cout <<
      "G4HepRepFile::CreateViewer: ERROR: null pointer on new G4HepRepFileViewer."
       << G4endl;
  }
  return pView;
}

G4HepRepFileXMLWriter* G4HepRepFile::GetHepRepXMLWriter () {
    return hepRepXMLWriter;
}