Gabriele Cosmo
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4EllipticalTube.hh,v 1.8.4.1 2001/06/28 19:09:21 gunter Exp $
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// GEANT4 tag $Name: $
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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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// G4EllipticalTube
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//
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// Class description:
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//
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// Declaration of a CSG volume representing a tube with elliptical
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// cross section (geant3 solid 'ELTU'):
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//
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// G4EllipticalTube( const G4String& name,
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// G4double Dx,
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// G4double Dy,
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// G4double Dz )
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//
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// The equation of the surface in x/y is 1.0 = (x/dx)**2 + (y/dy)**2
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// Author:
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// David C. Williams (davidw@scipp.ucsc.edu)
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// --------------------------------------------------------------------
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#ifndef G4EllipticalTube_hh
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#define G4EllipticalTube_hh
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#include "G4VSolid.hh"
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class G4EllipticalTube : public G4VSolid
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{
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public:
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G4EllipticalTube( const G4String &name,
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G4double theDx, G4double theDy, G4double theDz );
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virtual ~G4EllipticalTube();
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//
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// Standard CSG methods
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//
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virtual 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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virtual EInside Inside( const G4ThreeVector& p) const;
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virtual G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;
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virtual G4double DistanceToIn( const G4ThreeVector& p,const G4ThreeVector& v ) const;
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virtual G4double DistanceToIn( const G4ThreeVector& p ) const;
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virtual G4double DistanceToOut( const G4ThreeVector& p,const G4ThreeVector& v,
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const G4bool calcNorm=false,
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G4bool *validNorm=0,G4ThreeVector *n=0 ) const;
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virtual G4double DistanceToOut( const G4ThreeVector& p ) const;
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G4GeometryType GetEntityType() const { return G4String("G4EllipticalTube"); }
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//
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// Visualisation methods
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//
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virtual G4Polyhedron* CreatePolyhedron() const;
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virtual void DescribeYourselfTo( G4VGraphicsScene& scene ) const;
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virtual G4VisExtent GetExtent() const;
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//
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// Parameter access
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//
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G4double GetDx() const { return dx; }
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G4double GetDy() const { return dy; }
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G4double GetDz() const { return dz; }
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void SetDx( const G4double newDx ) { dx = newDx; }
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void SetDy( const G4double newDy ) { dy = newDy; }
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void SetDz( const G4double newDz ) { dz = newDz; }
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protected:
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G4double dx, dy, dz;
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//
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// Utility
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//
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inline G4double CheckXY( const G4double x, const G4double y, const G4double toler ) const {
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G4double rx = x/(dx+toler), ry = y/(dy+toler);
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return rx*rx + ry*ry;
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}
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inline G4double CheckXY( const G4double x, const G4double y ) const {
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G4double rx = x/dx, ry = y/dy;
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return rx*rx + ry*ry;
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}
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G4int IntersectXY( const G4ThreeVector &p,
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const G4ThreeVector &v, G4double s[2] ) const;
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};
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#endif
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