Gabriele Cosmo
170 lines
6.2 KiB
C++
170 lines
6.2 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: G4EllipticalCone.hh,v 1.11 2007/08/20 15:21:40 tnikitin Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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//
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//
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// --------------------------------------------------------------------
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// GEANT 4 class header file
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//
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// G4EllipticalCone
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//
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// Class description:
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//
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// G4EllipticalCone is a full cone with elliptical base which can be cut in Z.
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//
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// Member Data:
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//
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// xSemiAxis semi-axis, x, without dimentions
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// ySemiAxis semi-axis, y, without dimentions
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// zheight height, z
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// zTopCut upper cut plane level, z
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//
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// The height in Z corresponds to where the elliptical cone hits the
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// Z-axis if it had no Z cut. Also the cone is centered at zero having a
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// base at zTopCut and another at -zTopCut. The semi-major axes at the Z=0
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// plane are given by xSemiAxis*zheight and ySemiAxis*zheight so that the
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// curved surface of our cone satisfies the equation:
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//
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// ***************************************************************************
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// * *
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// * (x/xSemiAxis)^2 + (y/ySemiAxis)^2 = (zheight - z)^2 *
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// * *
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// ***************************************************************************
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//
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// In case you want to construct G4EllipticalCone from :
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// 1. halflength in Z = zTopCut
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// 2. Dx and Dy = halflength of ellipse axis at z = -zTopCut
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// 3. dx and dy = halflength of ellipse axis at z = zTopCut
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// ! Attention : dx/dy=Dx/Dy
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//
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// You need to find xSemiAxis,ySemiAxis and zheight:
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//
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// xSemiAxis = (Dx-dx)/(2*zTopCut)
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// ySemiAxis = (Dy-dy)/(2*zTopCut)
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// zheight = (Dx+dx)/(2*xSemiAxis)
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//
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// Author:
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// Dionysios Anninos, 8.9.2005
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//
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// Revision:
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// Lukas Lindroos, Tatiana Nikitina 20.08.2007
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//
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// --------------------------------------------------------------------
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#ifndef G4EllipticalCone_HH
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#define G4EllipticalCone_HH
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#include "G4VSolid.hh"
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class G4EllipticalCone : public G4VSolid
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{
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public: // with description
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G4EllipticalCone(const G4String& pName,
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G4double pxSemiAxis,
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G4double pySemiAxis,
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G4double zMax,
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G4double pzTopCut);
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virtual ~G4EllipticalCone();
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// Access functions
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//
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inline G4double GetSemiAxisMax () const;
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inline G4double GetZTopCut() const;
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inline void SetSemiAxis (G4double x, G4double y, G4double z);
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inline void SetZCut (G4double newzTopCut);
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inline G4double GetCubicVolume();
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inline G4double GetSurfaceArea();
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// Solid standard methods
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//
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G4bool 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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EInside Inside(const G4ThreeVector& p) const;
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G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;
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G4double DistanceToIn(const G4ThreeVector& p,
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const G4ThreeVector& v) const;
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G4double DistanceToIn(const G4ThreeVector& p) const;
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G4double DistanceToOut(const G4ThreeVector& p,
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const G4ThreeVector& v,
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const G4bool calcNorm=G4bool(false),
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G4bool *validNorm=0,
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G4ThreeVector *n=0) const;
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G4double DistanceToOut(const G4ThreeVector& p) const;
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G4GeometryType GetEntityType() const;
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G4ThreeVector GetPointOnSurface() const;
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std::ostream& StreamInfo(std::ostream& os) const;
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// Visualisation functions
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//
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G4Polyhedron* GetPolyhedron () const;
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void DescribeYourselfTo(G4VGraphicsScene& scene) const;
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G4VisExtent GetExtent() const;
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G4Polyhedron* CreatePolyhedron() const;
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G4NURBS* CreateNURBS() const;
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public: // without description
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G4EllipticalCone(__void__&);
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// Fake default constructor for usage restricted to direct object
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// persistency for clients requiring preallocation of memory for
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// persistifiable objects.
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protected: // without description
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G4ThreeVectorList* CreateRotatedVertices(const G4AffineTransform& pT,
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G4int& noPV) const;
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mutable G4Polyhedron* fpPolyhedron;
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private:
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G4double kRadTolerance;
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G4double fCubicVolume;
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G4double fSurfaceArea;
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G4double xSemiAxis, ySemiAxis, zheight,
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semiAxisMax, zTopCut;
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};
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#include "G4EllipticalCone.icc"
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#endif
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