Gabriele Cosmo
194 lines
6.4 KiB
C++
194 lines
6.4 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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// $Id: G4TriangularFacet.hh 95801 2016-02-25 10:59:41Z gcosmo $
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//
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//
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// Class G4TriangularFacet
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//
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// Class description:
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//
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// The G4TriangularFacet class is used for the contruction of
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// G4TessellatedSolid.
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// It is defined by three fVertices, which shall be supplied in anti-clockwise
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// order looking from the outsider of the solid where it belongs.
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// Its constructor:
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//
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// G4TriangularFacet (const G4ThreeVector Pt0, const G4ThreeVector vt1,
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// const G4ThreeVector vt2, G4FacetVertexType);
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//
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// takes 4 parameters to define the three fVertices:
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// 1) G4FacetvertexType = "ABSOLUTE": in this case Pt0, vt1 and vt2 are
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// the 3 fVertices in anti-clockwise order looking from the outsider.
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// 2) G4FacetvertexType = "RELATIVE": in this case the first vertex is Pt0,
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// the second vertex is Pt0+vt1 and the third vertex is Pt0+vt2, all
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// in anti-clockwise order when looking from the outsider.
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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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#ifndef G4TriangularFacet_hh
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#define G4TriangularFacet_hh 1
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#include "G4VFacet.hh"
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#include "G4Types.hh"
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#include "G4ThreeVector.hh"
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class G4TriangularFacet : public G4VFacet
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{
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public: // with desctiption
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G4TriangularFacet ();
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~G4TriangularFacet ();
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G4TriangularFacet (const G4ThreeVector &vt0, const G4ThreeVector &vt1,
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const G4ThreeVector &vt2, G4FacetVertexType);
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G4TriangularFacet (const G4TriangularFacet &right);
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G4TriangularFacet &operator=(const G4TriangularFacet &right);
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G4VFacet *GetClone ();
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G4TriangularFacet *GetFlippedFacet ();
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G4ThreeVector Distance (const G4ThreeVector &p);
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G4double Distance (const G4ThreeVector &p, G4double minDist);
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G4double Distance (const G4ThreeVector &p, G4double minDist,
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const G4bool outgoing);
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G4double Extent (const G4ThreeVector axis);
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G4bool Intersect (const G4ThreeVector &p, const G4ThreeVector &v,
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const G4bool outgoing, G4double &distance,
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G4double &distFromSurface, G4ThreeVector &normal);
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G4double GetArea () const;
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G4ThreeVector GetPointOnFace () const;
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G4ThreeVector GetSurfaceNormal () const;
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void SetSurfaceNormal (G4ThreeVector normal);
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G4GeometryType GetEntityType () const;
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inline G4bool IsDefined () const;
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inline G4int GetNumberOfVertices () const;
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inline G4ThreeVector GetVertex (G4int i) const;
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inline void SetVertex (G4int i, const G4ThreeVector &val);
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inline G4ThreeVector GetCircumcentre () const;
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inline G4double GetRadius () const;
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inline G4int AllocatedMemory();
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inline G4int GetVertexIndex (G4int i) const;
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inline void SetVertexIndex (G4int i, G4int j);
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inline void SetVertices(std::vector<G4ThreeVector> *v);
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private:
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void CopyFrom(const G4TriangularFacet &rhs);
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G4ThreeVector fSurfaceNormal;
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G4double fArea;
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G4ThreeVector fCircumcentre;
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G4double fRadius;
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G4int fIndices[3];
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std::vector<G4ThreeVector> *fVertices;
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G4double fA, fB, fC;
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G4double fDet;
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G4double fSqrDist;
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G4ThreeVector fE1, fE2;
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G4bool fIsDefined;
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};
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///////////////////////////////////////////////////////////////////////////////
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// Inlined Methods
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///////////////////////////////////////////////////////////////////////////////
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inline G4bool G4TriangularFacet::IsDefined () const
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{
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return fIsDefined;
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}
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inline G4int G4TriangularFacet::GetNumberOfVertices () const
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{
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return 3;
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}
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inline G4ThreeVector G4TriangularFacet::GetVertex (G4int i) const
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{
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G4int indice = fIndices[i];
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return indice < 0 ? (*fVertices)[i] : (*fVertices)[indice];
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}
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inline void G4TriangularFacet::SetVertex (G4int i, const G4ThreeVector &val)
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{
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(*fVertices)[i] = val;
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}
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inline G4ThreeVector G4TriangularFacet::GetCircumcentre () const
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{
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return fCircumcentre;
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}
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inline G4double G4TriangularFacet::GetRadius () const
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{
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return fRadius;
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}
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inline G4int G4TriangularFacet::AllocatedMemory()
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{
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G4int size = sizeof(*this);
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size += GetNumberOfVertices() * sizeof(G4ThreeVector);
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return size;
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}
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inline G4int G4TriangularFacet::GetVertexIndex (G4int i) const
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{
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if (i < 3) return fIndices[i];
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else return 999999999;
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}
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inline void G4TriangularFacet::SetVertexIndex (G4int i, G4int j)
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{
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fIndices[i] = j;
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}
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inline void G4TriangularFacet::SetVertices(std::vector<G4ThreeVector> *v)
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{
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if (fIndices[0] < 0 && fVertices)
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{
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delete fVertices;
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fVertices = 0;
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}
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fVertices = v;
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}
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#endif
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