DrawGeometryVisAction.cc

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/// \file visualization/standalone/src/DrawGeometryVisAction.cc
/// \brief Implementation of the DrawGeometryVisAction class
//
//
 
#include "DrawGeometryVisAction.hh"
 
#include "G4VVisManager.hh"
#include "DetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4VSolid.hh"
#include "G4SystemOfUnits.hh"
 
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DrawGeometryVisAction::DrawGeometryVisAction() {
  // Get a physical volume from your detector construction
  fDetectorConstruction = new B1::DetectorConstruction();
  // (I think, properly, we should delete this in the destructor.)
  fPhysicalVolume = fDetectorConstruction->Construct();
  // (I think the deletion of constructed volumes is handled by the volume stores.)
  // Give this an overall transform to avoid clash with other vis action(s)
  fTransform = G4Translate3D(-20*cm,20*cm,0);
  fExtent = fPhysicalVolume->GetLogicalVolume()->GetSolid()->GetExtent().Transform(fTransform);
}
 
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DrawGeometryVisAction::~DrawGeometryVisAction() {
  delete fDetectorConstruction;
}
 
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void DrawGeometryVisAction::Draw() {
  G4VVisManager* pVisManager = G4VVisManager::GetConcreteInstance();
  if (pVisManager) {
    pVisManager->DrawGeometry(fPhysicalVolume,fTransform);
  }
}
 
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