Gabriele Cosmo
120 lines
4.3 KiB
C++
120 lines
4.3 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 and of QinetiQ Ltd, *
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// * subject to DEFCON 705 IPR conditions. *
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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: G4VFacet.cc 92024 2015-08-13 14:16:00Z gcosmo $
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//
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//
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// CHANGE HISTORY
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// --------------
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//
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// 31 October 2004, P R Truscott, QinetiQ Ltd, UK - Created.
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// 12 October 2012, M Gayer, CERN, - Reviewed optimized implementation.
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//
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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#include "G4VFacet.hh"
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#include "globals.hh"
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#include "geomdefs.hh"
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#include "G4GeometryTolerance.hh"
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using namespace std;
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const G4double G4VFacet::dirTolerance = 1.0E-14;
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const G4double G4VFacet::kCarTolerance =
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G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
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///////////////////////////////////////////////////////////////////////////////
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//
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G4VFacet::~G4VFacet()
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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G4bool G4VFacet::operator== (const G4VFacet &right) const
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{
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G4double tolerance = kCarTolerance*kCarTolerance/4.0;
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if (GetNumberOfVertices() != right.GetNumberOfVertices())
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return false;
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else if ((GetCircumcentre()-right.GetCircumcentre()).mag2() > tolerance)
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return false;
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else if (std::fabs((right.GetSurfaceNormal()).dot(GetSurfaceNormal())) < 0.9999999999)
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return false;
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G4bool coincident = true;
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G4int i = 0;
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do // Loop checking, 13.08.2015, G.Cosmo
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{
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coincident = false;
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G4int j = 0;
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do // Loop checking, 13.08.2015, G.Cosmo
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{
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coincident = (GetVertex(i)-right.GetVertex(j)).mag2() < tolerance;
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} while (!coincident && ++j < GetNumberOfVertices());
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} while (coincident && ++i < GetNumberOfVertices());
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return coincident;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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void G4VFacet::ApplyTranslation(const G4ThreeVector v)
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{
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G4int n = GetNumberOfVertices();
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for (G4int i = 0; i < n; ++i)
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{
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SetVertex(i, GetVertex(i) + v);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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std::ostream &G4VFacet::StreamInfo(std::ostream &os) const
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{
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os << G4endl;
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os << "*********************************************************************"
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<< G4endl;
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os << "FACET TYPE = " << GetEntityType() << G4endl;
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os << "ABSOLUTE VECTORS = " << G4endl;
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G4int n = GetNumberOfVertices();
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for (G4int i = 0; i < n; ++i)
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os << "P[" << i << "] = " << GetVertex(i) << G4endl;
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os << "*********************************************************************"
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<< G4endl;
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return os;
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}
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G4bool G4VFacet::IsInside (const G4ThreeVector &p) const
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{
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G4ThreeVector d = p - GetVertex(0);
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G4double displacement = d.dot(GetSurfaceNormal());
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return displacement <= 0.0;
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}
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