Gabriele Cosmo
96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4PhysicalVolumeMassScene.hh 99076 2016-09-01 12:40:47Z gcosmo $
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//
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//
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// John Allison 12th September 2004
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// Class Description:
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//
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// Calculates the mass of a geometry tree taking into account daughters
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// up to the depth specified in the G4PhysicalVolumeModel. Culling is
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// ignored so that all volumes are seen.
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//
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// Do not use this for a "parallel world" for which materials are not
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// defined. Use only for the material world.
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//
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// The calculation is quite tricky, since it involves subtracting the
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// mass of that part of the mother that is occupied by each daughter and
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// then adding the mass of the daughter, and so on down the heirarchy.
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//
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// Usage for a given G4PhysicalVolumeModel* pvModel:
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// G4PhysicalVolumeMassScene massScene(pvModel);
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// pvModel->DescribeYourselfTo (massScene);
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// G4double volume = massScene.GetVolume();
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// G4double mass = massScene.GetMass();
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// massScene.Reset();
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// See, for example, G4ASCIITreeSceneHandler::EndModeling().
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#ifndef G4PHYSICALVOLUMEMASSSCENE_HH
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#define G4PHYSICALVOLUMEMASSSCENE_HH
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#include "G4PseudoScene.hh"
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#include <deque>
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class G4VPhysicalVolume;
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class G4LogicalVolume;
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class G4PhysicalVolumeModel;
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class G4Material;
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class G4PhysicalVolumeMassScene: public G4PseudoScene
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{
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public:
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G4PhysicalVolumeMassScene (G4PhysicalVolumeModel*);
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virtual ~G4PhysicalVolumeMassScene ();
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public: // With description
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G4double GetVolume () const {return fVolume;}
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// Overall volume.
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G4double GetMass () const {return fMass;}
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// Mass of whole tree, i.e., accounting for all daughters.
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void Reset ();
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// Reset for subsequent re-use.
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private:
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void ProcessVolume (const G4VSolid&);
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G4PhysicalVolumeModel* fpPVModel;
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G4double fVolume;
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G4double fMass;
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G4VPhysicalVolume* fpLastPV;
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G4int fPVPCount;
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G4int fLastDepth;
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G4double fLastDensity;
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std::deque<G4double> fDensityStack;
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};
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#endif
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