Gabriele Cosmo
112 lines
4.6 KiB
C++
112 lines
4.6 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 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,v 1.6 2007/02/26 08:39:40 gcosmo Exp $
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// GEANT4 tag $Name: geant4-08-03 $
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//
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//
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// MODULE: G4TriangularFacet.hh
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//
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// Date: 15/06/2005
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// Author: P R Truscott
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// Organisation: QinetiQ Ltd, UK
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// Customer: UK Ministry of Defence : RAO CRP TD Electronic Systems
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// Contract: C/MAT/N03517
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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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//
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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 vertices, 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 vertices:
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// 1) G4FacetvertexType = "ABSOLUTE": in this case Pt0, vt1 and vt2 are
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// the 3 vertices 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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///////////////////////////////////////////////////////////////////////////////
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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 "G4ThreeVector.hh"
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#include "globals.hh"
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class G4TriangularFacet : public G4VFacet
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{
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public: // with description
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G4TriangularFacet (const G4ThreeVector Pt0, const G4ThreeVector vt1,
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const G4ThreeVector vt2, G4FacetVertexType);
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~G4TriangularFacet ();
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G4TriangularFacet (const G4TriangularFacet &right);
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const G4TriangularFacet &operator=(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, const G4double minDist);
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G4double Distance (const G4ThreeVector &p, const 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 ();
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G4ThreeVector GetPointOnFace () const;
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private:
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G4double a;
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G4double b;
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G4double c;
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G4double det;
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G4double sMin, sMax;
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G4double tMin;
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};
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#endif
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