Gabriele Cosmo
165 lines
5.7 KiB
C++
165 lines
5.7 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: G4FCylindricalSurface.hh,v 1.11 2001/07/11 09:59:34 gunter Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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// ----------------------------------------------------------------------
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// Class G4FCylindricalSurface
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//
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// Class Description:
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//
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// Definition of a generic bounded cylindrical surface.
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//
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// Position.axis| radius
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// >|---|<---------
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// |
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// -- +---|---+
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// l | | | |
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// e | | | |
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// n | | | |
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// g | | | |
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// t | | | |
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// h | | | |
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// -- +---|---+
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// Position
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// The code for G4CylindricalSurface has been derived from the original
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// implementation in the "Gismo" package.
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//
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// Author: A.Breakstone
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// Adaptation: J.Sulkimo, P.Urban.
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// Revisions by: L.Broglia, G.Cosmo.
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// ----------------------------------------------------------------------
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#ifndef __FCYLINDER_H
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#define __FCYLINDER_H
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#include "G4PointRat.hh"
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#include "G4Axis2Placement3D.hh"
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#include "G4Surface.hh"
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class G4FCylindricalSurface : public G4Surface
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{
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public: // with description
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G4FCylindricalSurface();
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// Default constructor.
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G4FCylindricalSurface( const G4Point3D& o,
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const G4Vector3D& a,
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G4double r,
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G4double l );
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// o : origin.
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// a : axis.
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// r : radius.
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// l : length.
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virtual ~G4FCylindricalSurface();
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// Destructor.
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inline G4int operator==( const G4FCylindricalSurface& c ) const;
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// Equality operator.
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virtual G4Vector3D SurfaceNormal( const G4Point3D& p ) const;
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// Returns the Normal unit vector to the G4FCylindricalSurface at a point
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// p on (or nearly on) the G4FCylindricalSurface.
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virtual G4int Inside( const G4Vector3D& x ) const;
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// Returns 1 if the point x is Inside the G4FCylindricalSurface,
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// returns 0 otherwise.
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inline G4String GetEntityType() const;
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// Returns the shape identifier.
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G4int Intersect(const G4Ray&);
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// Counts the number of intersections of a bounded cylindrical surface
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// by a ray. At first, it calculates the intersections with the infinite
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// cylindrical surface. Then, it counts the intersections within the
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// finite cylindrical surface boundaries, and sets the "distance" to the
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// closest distance from the start point to the nearest intersection.
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// If the point is on the surface it returns either the intersection with
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// the opposite surface or kInfinity.
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// If no intersection is found, it sets distance = kInfinity and returns 0.
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virtual G4double HowNear( const G4Vector3D& x ) const;
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// Computes the shortest distance from the point x to the
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// G4FCylindricalSurface. The distance will be always positive.
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void CalcBBox();
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// Computes the bounding box.
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virtual const char* NameOf() const;
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// Returns the class name.
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virtual void PrintOn( G4std::ostream& os = G4cout ) const;
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// Printing function.
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virtual G4int WithinBoundary( const G4Vector3D& x ) const;
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// Returns 1 if the point x is within the boundary, 0 otherwise.
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virtual G4double Scale() const;
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// Return the radius of a G4FCylindricalSurface.
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// Used for Scale-invariant tests of surface thickness.
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// If the radius is zero, it returns the length.
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virtual G4double Area() const;
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// Calculates the area of a G4FCylindricalSurface.
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virtual void resize( G4double r, G4double l );
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// Changes the radius and length of the G4FCylindricalSurface:
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// the first (input) argument is the new radius;
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// the second (input) argument is the new length.
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inline G4double GetLength() const;
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inline G4Vector3D GetAxis() const;
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inline G4double GetRadius() const;
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void SetRadius( G4double r );
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// Get/Set methods for the geometrical data of the G4FCylindricalSurface.
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public: // without description
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void InitValues();
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// Re-calculates the private values of the G4FCylindrical surface
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// before the Intersect and HowNear function if the G4FCylindrical
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// was created by the STEP interface.
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protected:
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G4Axis2Placement3D Position;
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G4double radius;
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G4double length;
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private:
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G4FCylindricalSurface(const G4FCylindricalSurface&);
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G4FCylindricalSurface& operator=(const G4FCylindricalSurface&);
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// Private copy constructor and assignment operator.
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};
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#include "G4FCylindricalSurface.icc"
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#endif
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