StandaloneVisAction.cc

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// $Id: StandaloneVisAction.cc 69587 2013-05-08 14:26:03Z gcosmo $

#include "StandaloneVisAction.hh"

#include "G4VVisManager.hh"
#include "G4VisAttributes.hh"
#include "G4Polyhedron.hh"
#include "G4Box.hh"
#include "G4SubtractionSolid.hh"
#include "G4SystemOfUnits.hh"

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void StandaloneVisAction::Draw() {
  G4VVisManager* pVisManager = G4VVisManager::GetConcreteInstance();
  if (pVisManager) {

    // Simple box...
    pVisManager->Draw(G4Box("box",2*m,2*m,2*m),
                      G4VisAttributes(G4Colour(1,1,0)));

    // Boolean solid...
    G4Box boxA("boxA",3*m,3*m,3*m);
    G4Box boxB("boxB",1*m,1*m,1*m);
    G4SubtractionSolid subtracted("subtracted_boxes",&boxA,&boxB,
                       G4Translate3D(3*m,3*m,3*m));
    pVisManager->Draw(subtracted,
                      G4VisAttributes(G4Colour(0,1,1)),
                      G4Translate3D(-6*m,-6*m,-6*m));

    // Same, but explicit polyhedron...
    G4Polyhedron* pA = G4Box("boxA",3*m,3*m,3*m).CreatePolyhedron();
    G4Polyhedron* pB = G4Box("boxB",1*m,1*m,1*m).CreatePolyhedron();
    pB->Transform(G4Translate3D(3*m,3*m,3*m));
    G4Polyhedron* pSubtracted = new G4Polyhedron(pA->subtract(*pB));
    G4VisAttributes subVisAtts(G4Colour(0,1,1));
    pSubtracted->SetVisAttributes(&subVisAtts);
    pVisManager->Draw(*pSubtracted,G4Translate3D(6*m,6*m,6*m));
    delete pA;
    delete pB;
    delete pSubtracted;
  }
}

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