Gabriele Cosmo
333 lines
9.1 KiB
C++
333 lines
9.1 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4DisplacedSolid.cc,v 1.13 2000/11/22 15:19:20 grichine Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// Implementation for G4DisplacedSolid class for 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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// 28.10.98 V.Grichine, creation according J. Apostolakis's recommendations
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// 14.11.99 V.Grichine, modifications in CalculateExtent(...) method
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// 22.11.00 V.Grichine, new set methods for matrix/vectors
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#include "G4DisplacedSolid.hh"
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#include "G4VoxelLimits.hh"
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#include "G4AffineTransform.hh"
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#include "G4VPVParameterisation.hh"
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#include "G4VGraphicsScene.hh"
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#include "G4Polyhedron.hh"
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#include "G4NURBS.hh"
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#include "G4NURBSbox.hh"
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////////////////////////////////////////////////////////////////
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//
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// Constractor for transformation like rotation of frame then translation
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// in new frame. It is similar to 1st constractor in G4PVPlacement
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G4DisplacedSolid::
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G4DisplacedSolid( const G4String& pName,
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G4VSolid* pSolid ,
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G4RotationMatrix* rotMatrix,
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const G4ThreeVector& transVector )
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: G4VSolid(pName)
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{
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fPtrSolid = pSolid ;
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fPtrTransform = new G4AffineTransform(rotMatrix,transVector) ;
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fPtrTransform->Invert() ;
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fDirectTransform = new G4AffineTransform(rotMatrix,transVector) ;
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}
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/////////////////////////////////////////////////////////////////////////////////
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//
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//
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G4DisplacedSolid::G4DisplacedSolid( const G4String& pName,
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G4VSolid* pSolid ,
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const G4Transform3D& transform ) :
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G4VSolid(pName)
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{
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fPtrSolid = pSolid ;
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fDirectTransform = new G4AffineTransform(transform.getRotation().inverse(),
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transform.getTranslation()) ;
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fPtrTransform = new G4AffineTransform(transform.getRotation().inverse(),
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transform.getTranslation()) ;
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fPtrTransform->Invert() ;
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}
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/////////////////////////////////////////////////////////////////////////////////
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// Constructor for use with creation of Transient object from Persistent object
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//
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G4DisplacedSolid::G4DisplacedSolid( const G4String& pName,
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G4VSolid* pSolid ,
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const G4AffineTransform directTransform ) :
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G4VSolid(pName)
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{
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fPtrSolid = pSolid ;
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fDirectTransform = new G4AffineTransform( directTransform );
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fPtrTransform = new G4AffineTransform( directTransform.Inverse() ) ;
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}
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///////////////////////////////////////////////////////////////////
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//
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G4DisplacedSolid::~G4DisplacedSolid()
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{
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if(fPtrTransform)
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{
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delete fPtrTransform ;
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delete fDirectTransform;
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}
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}
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G4GeometryType G4DisplacedSolid::GetEntityType() const
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{
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return G4String("G4DisplacedSolid");
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}
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const G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr() const
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{ return this; }
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G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr()
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{ return this; }
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G4VSolid* G4DisplacedSolid::GetConstituentMovedSolid() const
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{
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return fPtrSolid;
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}
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/////////////////////////////////////////////////////////////////////////////
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G4AffineTransform G4DisplacedSolid::GetTransform() const
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{
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G4AffineTransform aTransform = *fPtrTransform;
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return aTransform;
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}
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void G4DisplacedSolid::SetTransform(G4AffineTransform& transform)
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{
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fPtrTransform = &transform ;
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}
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//////////////////////////////////////////////////////////////////////////////
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G4AffineTransform G4DisplacedSolid::GetDirectTransform() const
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{
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G4AffineTransform aTransform= *fDirectTransform;
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return aTransform;
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}
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void G4DisplacedSolid::SetDirectTransform(G4AffineTransform& transform)
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{
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fDirectTransform = &transform ;
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}
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/////////////////////////////////////////////////////////////////////////////
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G4RotationMatrix G4DisplacedSolid::GetFrameRotation() const
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{
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G4RotationMatrix InvRotation= fDirectTransform->NetRotation();
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return InvRotation;
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}
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void G4DisplacedSolid::SetFrameRotation(const G4RotationMatrix& matrix)
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{
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fDirectTransform->SetNetRotation(matrix);
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}
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/////////////////////////////////////////////////////////////////////////////
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G4ThreeVector G4DisplacedSolid::GetFrameTranslation() const
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{
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return fPtrTransform->NetTranslation();
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}
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void G4DisplacedSolid::SetFrameTranslation(const G4ThreeVector& vector)
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{
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fPtrTransform->SetNetTranslation(vector);
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}
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///////////////////////////////////////////////////////////////
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G4RotationMatrix G4DisplacedSolid::GetObjectRotation() const
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{
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G4RotationMatrix Rotation= fPtrTransform->NetRotation();
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return Rotation;
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}
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void G4DisplacedSolid::SetObjectRotation(const G4RotationMatrix& matrix)
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{
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fPtrTransform->SetNetRotation(matrix);
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}
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///////////////////////////////////////////////////////////////////////
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G4ThreeVector G4DisplacedSolid::GetObjectTranslation() const
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{
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return fDirectTransform->NetTranslation();
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}
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void G4DisplacedSolid::SetObjectTranslation(const G4ThreeVector& vector)
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{
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fDirectTransform->SetNetTranslation(vector);
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}
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///////////////////////////////////////////////////////////////
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//
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//
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G4bool
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G4DisplacedSolid::CalculateExtent( const EAxis pAxis,
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const G4VoxelLimits& pVoxelLimit,
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const G4AffineTransform& pTransform,
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G4double& pMin,
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G4double& pMax ) const
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{
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G4AffineTransform sumTransform ;
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sumTransform.Product(*fDirectTransform,pTransform) ;
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return fPtrSolid->CalculateExtent(pAxis,pVoxelLimit,sumTransform,
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pMin,pMax) ;
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}
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/////////////////////////////////////////////////////
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//
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//
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EInside G4DisplacedSolid::Inside(const G4ThreeVector& p) const
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{
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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return fPtrSolid->Inside(newPoint) ;
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}
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//////////////////////////////////////////////////////////////
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//
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//
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G4ThreeVector
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G4DisplacedSolid::SurfaceNormal( const G4ThreeVector& p ) const
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{
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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G4ThreeVector normal = fPtrSolid->SurfaceNormal(newPoint) ;
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return fDirectTransform->TransformAxis(normal) ;
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}
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/////////////////////////////////////////////////////////////
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//
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// The same algorithm as in DistanceToIn(p)
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G4double
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G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p,
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const G4ThreeVector& v ) const
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{
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ;
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return fPtrSolid->DistanceToIn(newPoint,newDirection) ;
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}
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////////////////////////////////////////////////////////
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//
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// Approximate nearest distance from the point p to the intersection of
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// two solids
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G4double
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G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p) const
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{
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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return fPtrSolid->DistanceToIn(newPoint) ;
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}
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//////////////////////////////////////////////////////////
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//
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// The same algorithm as DistanceToOut(p)
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G4double
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G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p,
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const G4ThreeVector& v,
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const G4bool calcNorm,
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G4bool *validNorm,
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G4ThreeVector *n ) const
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{
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G4ThreeVector solNorm ;
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ;
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G4double dist = fPtrSolid->DistanceToOut(newPoint,newDirection,
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calcNorm,validNorm,&solNorm) ;
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if(calcNorm)
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{
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*n = fDirectTransform->TransformAxis(solNorm) ;
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}
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return dist ;
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}
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//////////////////////////////////////////////////////////////
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//
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// Inverted algorithm of DistanceToIn(p)
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G4double
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G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p ) const
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{
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G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ;
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return fPtrSolid->DistanceToOut(newPoint) ;
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}
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//////////////////////////////////////////////////////////////
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//
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//
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void
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G4DisplacedSolid::ComputeDimensions( G4VPVParameterisation* p,
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const G4int n,
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const G4VPhysicalVolume* pRep )
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{
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// fPtrSolid->ComputeDimensions(p,n,pRep);
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G4Exception("ERROR: ComputeDimensions has no meaning for a G4DisplacedSolid. It cannot be called.");
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}
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/////////////////////////////////////////////////
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//
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//
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void
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G4DisplacedSolid::DescribeYourselfTo ( G4VGraphicsScene& scene ) const
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{
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scene.AddThis (*this);
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}
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////////////////////////////////////////////////////
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//
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//
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G4Polyhedron*
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G4DisplacedSolid::CreatePolyhedron () const
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{
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G4Polyhedron* polyhedron = fPtrSolid->CreatePolyhedron();
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polyhedron->Transform
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(G4Transform3D(GetObjectRotation(),GetObjectTranslation()));
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return polyhedron;
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}
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/////////////////////////////////////////////////////////
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//
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//
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G4NURBS*
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G4DisplacedSolid::CreateNURBS () const
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{
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// Take into account local transformation - see CreatePolyhedron.
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// return fPtrSolid->CreateNURBS() ;
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return 0;
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}
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