Gabriele Cosmo
233 lines
7.6 KiB
C++
233 lines
7.6 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: G4BooleanSolid.cc,v 1.21 2006/10/19 15:34:49 gcosmo Exp $
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// GEANT4 tag $Name: geant4-08-02 $
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//
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// Implementation for the abstract base class for solids created by boolean
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// operations between other solids
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//
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// History:
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//
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// 10.09.98 V.Grichine, created
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//
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// --------------------------------------------------------------------
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#include "G4BooleanSolid.hh"
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#include "G4VSolid.hh"
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#include "G4Polyhedron.hh"
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#include "Randomize.hh"
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//////////////////////////////////////////////////////////////////
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//
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// Constructor
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G4BooleanSolid::G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB ) :
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G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001),
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fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.),
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fpPolyhedron(0), createdDisplacedSolid(false)
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{
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fPtrSolidA = pSolidA ;
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fPtrSolidB = pSolidB ;
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}
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//////////////////////////////////////////////////////////////////
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//
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// Constructor
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G4BooleanSolid::G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB ,
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G4RotationMatrix* rotMatrix,
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const G4ThreeVector& transVector ) :
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G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001),
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fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.),
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fpPolyhedron(0), createdDisplacedSolid(true)
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{
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fPtrSolidA = pSolidA ;
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fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,rotMatrix,transVector) ;
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}
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//////////////////////////////////////////////////////////////////
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//
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// Constructor
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G4BooleanSolid::G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB ,
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const G4Transform3D& transform ) :
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G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001),
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fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.),
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fpPolyhedron(0), createdDisplacedSolid(true)
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{
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fPtrSolidA = pSolidA ;
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fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,transform) ;
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}
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///////////////////////////////////////////////////////////////
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//
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// Fake default constructor - sets only member data and allocates memory
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// for usage restricted to object persistency.
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G4BooleanSolid::G4BooleanSolid( __void__& a )
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: G4VSolid(a), fPtrSolidA(0), fPtrSolidB(0),
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fStatistics(1000000), fCubVolEpsilon(0.001),
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fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.),
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fpPolyhedron(0), createdDisplacedSolid(false)
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{
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}
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///////////////////////////////////////////////////////////////
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//
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// Destructor deletes transformation contents of the created displaced solid
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G4BooleanSolid::~G4BooleanSolid()
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{
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if(createdDisplacedSolid)
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{
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((G4DisplacedSolid*)fPtrSolidB)->CleanTransformations();
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}
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delete fpPolyhedron;
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}
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///////////////////////////////////////////////////////////////
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//
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// If Solid is made up from a Boolean operation of two solids,
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// return the corresponding solid (for no=0 and 1)
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// If the solid is not a "Boolean", return 0
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const G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no) const
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{
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const G4VSolid* subSolid=0;
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if( no == 0 )
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subSolid = fPtrSolidA;
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else if( no == 1 )
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subSolid = fPtrSolidB;
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else
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{
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DumpInfo();
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G4Exception("G4BooleanSolid::GetConstituentSolid()",
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"WrongArgumentValue", FatalException,
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"Invalid solid index.");
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}
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return subSolid;
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}
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///////////////////////////////////////////////////////////////
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//
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// If Solid is made up from a Boolean operation of two solids,
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// return the corresponding solid (for no=0 and 1)
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// If the solid is not a "Boolean", return 0
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G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no)
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{
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G4VSolid* subSolid=0;
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if( no == 0 )
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subSolid = fPtrSolidA;
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else if( no == 1 )
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subSolid = fPtrSolidB;
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else
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{
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DumpInfo();
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G4Exception("G4BooleanSolid::GetConstituentSolid()",
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"WrongArgumentValue", FatalException,
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"Invalid solid index.");
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}
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return subSolid;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Returns entity type
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G4GeometryType G4BooleanSolid::GetEntityType() const
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{
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return G4String("G4BooleanSolid");
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Stream object contents to an output stream
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std::ostream& G4BooleanSolid::StreamInfo(std::ostream& os) const
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{
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os << "-----------------------------------------------------------\n"
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<< " *** Dump for Boolean solid - " << GetName() << " ***\n"
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<< " ===================================================\n"
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<< " Solid type: " << GetEntityType() << "\n"
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<< " Parameters of constituent solids: \n"
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<< "===========================================================\n";
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fPtrSolidA->StreamInfo(os);
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fPtrSolidB->StreamInfo(os);
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os << "===========================================================\n";
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return os;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Returns a point (G4ThreeVector) randomly and uniformly selected
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// on the solid surface
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//
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G4ThreeVector G4BooleanSolid::GetPointOnSurface() const
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{
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G4bool condition = true;
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G4double rand;
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G4ThreeVector p;
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while(condition)
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{
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rand = G4UniformRand();
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if(rand > 0.5) { p = fPtrSolidA->GetPointOnSurface(); }
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else { p = fPtrSolidB->GetPointOnSurface(); }
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if(Inside(p) == kSurface) { break; }
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}
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return p;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Returns polyhedron for visualization
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G4Polyhedron* G4BooleanSolid::GetPolyhedron () const
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{
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if (!fpPolyhedron ||
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fpPolyhedron->GetNumberOfRotationStepsAtTimeOfCreation() !=
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fpPolyhedron->GetNumberOfRotationSteps())
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{
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delete fpPolyhedron;
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fpPolyhedron = CreatePolyhedron();
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}
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return fpPolyhedron;
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}
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