Import Geant4 10.4.0.beta source tree
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Gabriele Cosmo
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//
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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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// $Id:$
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//
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//
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// Implementation of G4UMultiUnion wrapper class
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// --------------------------------------------------------------------
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#include "G4UMultiUnion.hh"
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#if defined(G4GEOM_USE_USOLIDS)
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#include "G4VoxelLimits.hh"
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#include "G4BoundingEnvelope.hh"
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#include "G4Polyhedron.hh"
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#include "G4DisplacedSolid.hh"
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#include "G4RotationMatrix.hh"
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////////////////////////////////////////////////////////////////////////
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//
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// Constructor (generic parameters)
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//
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G4UMultiUnion::G4UMultiUnion(const G4String& name)
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: G4USolid(name, new UMultiUnion(name))
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{
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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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//
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G4UMultiUnion::G4UMultiUnion(__void__& a)
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: G4USolid(a)
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{
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Destructor
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//
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G4UMultiUnion::~G4UMultiUnion()
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{
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Copy constructor
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//
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G4UMultiUnion::G4UMultiUnion(const G4UMultiUnion &source)
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: G4USolid(source)
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{
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Assignment operator
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//
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G4UMultiUnion& G4UMultiUnion::operator=(const G4UMultiUnion &source)
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{
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if (this == &source) return *this;
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G4USolid::operator=( source );
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return *this;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Accessors & modifiers
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//
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void G4UMultiUnion::AddNode(G4VSolid& solid, G4Transform3D& trans)
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{
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HepGeom::Rotate3D rot;
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HepGeom::Translate3D transl ;
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HepGeom::Scale3D scale;
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trans.getDecomposition(scale,rot,transl);
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G4ThreeVector pos = transl.getTranslation();
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UTransform3D tr;
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tr.fRot[0] = rot.xx(); tr.fRot[1] = rot.xy(); tr.fRot[2] = rot.xz();
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tr.fRot[3] = rot.yx(); tr.fRot[4] = rot.yy(); tr.fRot[5] = rot.yz();
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tr.fRot[6] = rot.zx(); tr.fRot[7] = rot.zy(); tr.fRot[8] = rot.zz();
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tr.fTr = UVector3(pos.x(), pos.y(), pos.z());
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GetShape()->AddNode(*(static_cast<G4USolid&>(solid).GetSolid()), tr);
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}
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G4Transform3D* G4UMultiUnion::GetTransformation(G4int index) const
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{
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UTransform3D tr = GetShape()->GetTransformation(index);
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G4RotationMatrix
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rot(CLHEP::HepRep3x3(tr.fRot[0], tr.fRot[1], tr.fRot[2],
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tr.fRot[3], tr.fRot[4], tr.fRot[5],
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tr.fRot[6], tr.fRot[7], tr.fRot[8]));
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G4ThreeVector transl(tr.fTr.x(), tr.fTr.y(), tr.fTr.z());
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return new G4Transform3D(rot, transl);
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}
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G4VSolid* G4UMultiUnion::GetSolid(G4int index) const
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{
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VUSolid* solid = GetShape()->GetSolid(index);
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return new G4USolid(solid->GetName(), solid);
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}
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G4int G4UMultiUnion::GetNumberOfSolids()const
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{
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return GetShape()->GetNumberOfSolids();
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}
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void G4UMultiUnion::Voxelize()
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{
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GetShape()->Voxelize();
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Get bounding box
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void G4UMultiUnion::Extent(G4ThreeVector& pMin, G4ThreeVector& pMax) const
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{
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UVector3 vmin, vmax;
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GetShape()->Extent(vmin,vmax);
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pMin.set(vmin.x(),vmin.y(),vmin.z());
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pMax.set(vmax.x(),vmax.y(),vmax.z());
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// Check correctness of the bounding box
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//
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if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
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{
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std::ostringstream message;
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message << "Bad bounding box (min >= max) for solid: "
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<< GetName() << " !"
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<< "\npMin = " << pMin
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<< "\npMax = " << pMax;
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G4Exception("G4UMultiUnion::Extent()", "GeomMgt0001", JustWarning, message);
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DumpInfo();
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}
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Calculate extent under transform and specified limit
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G4bool
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G4UMultiUnion::CalculateExtent(const EAxis pAxis,
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const G4VoxelLimits& pVoxelLimit,
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const G4AffineTransform& pTransform,
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G4double& pMin, G4double& pMax) const
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{
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G4ThreeVector bmin, bmax;
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// Get bounding box
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Extent(bmin,bmax);
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// Find extent
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G4BoundingEnvelope bbox(bmin,bmax);
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return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// CreatePolyhedron
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//
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G4Polyhedron* G4UMultiUnion::CreatePolyhedron() const
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{
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HepPolyhedronProcessor processor;
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HepPolyhedronProcessor::Operation operation = HepPolyhedronProcessor::UNION;
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G4VSolid* solidA = GetSolid(0);
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const G4Transform3D* transform0=GetTransformation(0);
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G4RotationMatrix rot0=(*transform0).getRotation();
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const G4ThreeVector transl0 = (*transform0).getTranslation();
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G4DisplacedSolid dispSolidA("placedA",solidA,&rot0,transl0);
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delete transform0;
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G4Polyhedron* top = new G4Polyhedron(*dispSolidA.GetPolyhedron());
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for(G4int i=1; i<GetNumberOfSolids(); ++i)
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{
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G4VSolid* solidB = GetSolid(i);
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const G4Transform3D* transform=GetTransformation(i);
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G4RotationMatrix rot=(*transform).getRotation();
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const G4ThreeVector transl = (*transform).getTranslation();
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G4DisplacedSolid dispSolidB("placedB",solidB,&rot,transl);
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G4Polyhedron* operand = dispSolidB.GetPolyhedron();
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processor.push_back (operation, *operand);
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delete transform;
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}
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if (processor.execute(*top)) { return top; }
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else { return 0; }
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}
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#endif // G4GEOM_USE_USOLIDS
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