Gabriele Cosmo
300 lines
8.7 KiB
C++
300 lines
8.7 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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// $Id:$
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//
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//
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// Implementation for G4UTrd wrapper class
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// --------------------------------------------------------------------
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#include "G4Trd.hh"
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#include "G4UTrd.hh"
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#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
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#include "G4AffineTransform.hh"
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#include "G4VPVParameterisation.hh"
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#include "G4BoundingEnvelope.hh"
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using namespace CLHEP;
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/////////////////////////////////////////////////////////////////////////
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//
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// Constructor - check & set half widths
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//
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G4UTrd::G4UTrd(const G4String& pName,
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G4double pdx1, G4double pdx2,
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G4double pdy1, G4double pdy2,
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G4double pdz)
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: G4USolid(pName, new UTrd(pName, pdx1, pdx2, pdy1, pdy2, pdz))
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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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G4UTrd::G4UTrd( __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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G4UTrd::~G4UTrd()
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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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G4UTrd::G4UTrd(const G4UTrd& rhs)
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: G4USolid(rhs)
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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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G4UTrd& G4UTrd::operator = (const G4UTrd& rhs)
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{
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// Check assignment to self
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//
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if (this == &rhs) { return *this; }
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// Copy base class data
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//
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G4USolid::operator=(rhs);
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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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G4double G4UTrd::GetXHalfLength1() const
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{
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return GetShape()->GetXHalfLength1();
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}
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G4double G4UTrd::GetXHalfLength2() const
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{
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return GetShape()->GetXHalfLength2();
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}
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G4double G4UTrd::GetYHalfLength1() const
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{
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return GetShape()->GetYHalfLength1();
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}
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G4double G4UTrd::GetYHalfLength2() const
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{
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return GetShape()->GetYHalfLength2();
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}
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G4double G4UTrd::GetZHalfLength() const
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{
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return GetShape()->GetZHalfLength();
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}
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void G4UTrd::SetXHalfLength1(G4double val)
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{
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GetShape()->SetXHalfLength1(val);
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fRebuildPolyhedron = true;
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}
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void G4UTrd::SetXHalfLength2(G4double val)
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{
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GetShape()->SetXHalfLength2(val);
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fRebuildPolyhedron = true;
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}
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void G4UTrd::SetYHalfLength1(G4double val)
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{
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GetShape()->SetYHalfLength1(val);
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fRebuildPolyhedron = true;
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}
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void G4UTrd::SetYHalfLength2(G4double val)
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{
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GetShape()->SetYHalfLength2(val);
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fRebuildPolyhedron = true;
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}
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void G4UTrd::SetZHalfLength(G4double val)
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{
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GetShape()->SetZHalfLength(val);
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fRebuildPolyhedron = true;
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}
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void G4UTrd::SetAllParameters(G4double pdx1, G4double pdx2,
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G4double pdy1, G4double pdy2, G4double pdz)
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{
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GetShape()->SetAllParameters(pdx1, pdx2, pdy1, pdy2, pdz);
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fRebuildPolyhedron = true;
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}
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/////////////////////////////////////////////////////////////////////////
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//
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// Dispatch to parameterisation for replication mechanism dimension
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// computation & modification.
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//
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void G4UTrd::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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p->ComputeDimensions(*(G4Trd*)this,n,pRep);
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Make a clone of the object
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G4VSolid* G4UTrd::Clone() const
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{
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return new G4UTrd(*this);
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Get bounding box
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void G4UTrd::Extent(G4ThreeVector& pMin, G4ThreeVector& pMax) const
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{
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static G4bool checkBBox = true;
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G4double dx1 = GetXHalfLength1();
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G4double dx2 = GetXHalfLength2();
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G4double dy1 = GetYHalfLength1();
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G4double dy2 = GetYHalfLength2();
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G4double dz = GetZHalfLength();
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G4double xmax = std::max(dx1,dx2);
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G4double ymax = std::max(dy1,dy2);
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pMin.set(-xmax,-ymax,-dz);
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pMax.set( xmax, ymax, dz);
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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("G4UTrd::Extent()", "GeomMgt0001", JustWarning, message);
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StreamInfo(G4cout);
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}
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// Check consistency of bounding boxes
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//
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if (checkBBox)
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{
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UVector3 vmin, vmax;
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GetShape()->Extent(vmin,vmax);
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if (std::abs(pMin.x()-vmin.x()) > kCarTolerance ||
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std::abs(pMin.y()-vmin.y()) > kCarTolerance ||
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std::abs(pMin.z()-vmin.z()) > kCarTolerance ||
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std::abs(pMax.x()-vmax.x()) > kCarTolerance ||
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std::abs(pMax.y()-vmax.y()) > kCarTolerance ||
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std::abs(pMax.z()-vmax.z()) > kCarTolerance)
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{
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std::ostringstream message;
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message << "Inconsistency in bounding boxes for solid: "
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<< GetName() << " !"
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<< "\nBBox min: wrapper = " << pMin << " solid = " << vmin
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<< "\nBBox max: wrapper = " << pMax << " solid = " << vmax;
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G4Exception("G4UTrd::Extent()", "GeomMgt0001", JustWarning, message);
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checkBBox = false;
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}
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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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G4UTrd::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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G4bool exist;
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// Check bounding box (bbox)
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//
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Extent(bmin,bmax);
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G4BoundingEnvelope bbox(bmin,bmax);
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#ifdef G4BBOX_EXTENT
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if (true) return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
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#endif
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if (bbox.BoundingBoxVsVoxelLimits(pAxis,pVoxelLimit,pTransform,pMin,pMax))
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{
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return exist = (pMin < pMax) ? true : false;
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}
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// Set bounding envelope (benv) and calculate extent
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//
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G4double dx1 = GetXHalfLength1();
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G4double dx2 = GetXHalfLength2();
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G4double dy1 = GetYHalfLength1();
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G4double dy2 = GetYHalfLength2();
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G4double dz = GetZHalfLength();
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G4ThreeVectorList baseA(4), baseB(4);
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baseA[0].set(-dx1,-dy1,-dz);
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baseA[1].set( dx1,-dy1,-dz);
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baseA[2].set( dx1, dy1,-dz);
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baseA[3].set(-dx1, dy1,-dz);
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baseB[0].set(-dx2,-dy2, dz);
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baseB[1].set( dx2,-dy2, dz);
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baseB[2].set( dx2, dy2, dz);
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baseB[3].set(-dx2, dy2, dz);
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std::vector<const G4ThreeVectorList *> polygons(2);
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polygons[0] = &baseA;
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polygons[1] = &baseB;
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G4BoundingEnvelope benv(bmin,bmax,polygons);
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exist = benv.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
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return exist;
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// Create polyhedron for visualization
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//
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G4Polyhedron* G4UTrd::CreatePolyhedron() const
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{
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return new G4PolyhedronTrd2(GetXHalfLength1(),
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GetXHalfLength2(),
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GetYHalfLength1(),
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GetYHalfLength2(),
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GetZHalfLength());
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}
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#endif // G4GEOM_USE_USOLIDS
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