Gabriele Cosmo
85 lines
3.1 KiB
C++
85 lines
3.1 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: G4IntersectingCone.hh,v 1.5 2002/10/28 11:47:50 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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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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//
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// G4IntersectingCone
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//
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// Class description:
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//
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// Utility class which calculates the intersection
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// of an arbitrary line with a fixed cone
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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 G4IntersectingCone_hh
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#define G4IntersectingCone_hh
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#include "globals.hh"
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#include "geomdefs.hh"
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#include "G4ThreeVector.hh"
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class G4IntersectingCone
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{
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public:
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G4IntersectingCone( const G4double r[2], const G4double z[2] );
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virtual ~G4IntersectingCone();
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G4int LineHitsCone( const G4ThreeVector &p, const G4ThreeVector &v,
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G4double *s1, G4double *s2 );
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G4bool HitOn( const G4double r, const G4double z );
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inline G4double RLo() const { return rLo; }
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inline G4double RHi() const { return rHi; }
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inline G4double ZLo() const { return zLo; }
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inline G4double ZHi() const { return zHi; }
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protected:
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G4double zLo, zHi, // Z bounds of side
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rLo, rHi; // R bounds of side
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G4bool type1; // True if cone is type 1 (abs(z1-z2)>abs(r1-r2))
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G4double A, B; // Cone radius parameter:
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// type 1: r = A + B*z
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// type 2: z = A + B*r
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G4int LineHitsCone1( const G4ThreeVector &p, const G4ThreeVector &v,
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G4double *s1, G4double *s2 );
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G4int LineHitsCone2( const G4ThreeVector &p, const G4ThreeVector &v,
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G4double *s1, G4double *s2 );
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};
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#endif
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