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geant4/examples/extended/visualization/standalone/src/StandaloneVisAction.cc
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2023-06-30 09:09:57 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
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// ********************************************************************
//
/// \file visualization/standalone/src/StandaloneVisAction.cc
/// \brief Implementation of the StandaloneVisAction class
//
//
#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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StandaloneVisAction::StandaloneVisAction() {
auto pA = G4Box("boxA",3*cm,3*cm,3*cm).CreatePolyhedron();
auto pB = G4Box("boxB",1*cm,1*cm,1*cm).CreatePolyhedron();
pB->Transform(G4Translate3D(3*cm,3*cm,3*cm));
fpSubtractedPolyhedron = new G4Polyhedron(pA->subtract(*pB));
G4VisAttributes subVisAtts(G4Colour(0,1,1));
fpSubtractedPolyhedron->SetVisAttributes(subVisAtts);
delete pA;
delete pB;
}
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StandaloneVisAction::~StandaloneVisAction() {
delete fpSubtractedPolyhedron;
}
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void StandaloneVisAction::Draw() {
G4VVisManager* pVisManager = G4VVisManager::GetConcreteInstance();
if (pVisManager) {
// Simple box...
pVisManager->Draw(G4Box("box",2*cm,2*cm,2*cm),
G4VisAttributes(G4Colour(1,1,0)));
// Boolean solid...
G4Box boxA("boxA",3*cm,3*cm,3*cm);
G4Box boxB("boxB",1*cm,1*cm,1*cm);
G4SubtractionSolid subtracted("subtracted_boxes",&boxA,&boxB,
G4Translate3D(3*cm,3*cm,3*cm));
pVisManager->Draw(subtracted,
G4VisAttributes(G4Colour(0,1,1)),
G4Translate3D(-6*cm,-6*cm,-6*cm));
// Same, but explicit polyhedron...
// The heavy work is done in the constructor
pVisManager->Draw(*fpSubtractedPolyhedron,G4Translate3D(6*cm,6*cm,6*cm));
}
}
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