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Gabriele Cosmo
@@ -5,9 +5,36 @@
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4FConicalSurface.hh,v 1.6 2000/02/16 12:02:52 gcosmo Exp $
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// GEANT4 tag $Name: geant4-02-00 $
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// $Id: G4FConicalSurface.hh,v 1.10 2000/11/20 17:54:36 gcosmo Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// ----------------------------------------------------------------------
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// Class G4FConicalSurface
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//
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// Class description:
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//
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// Definition of a generic conical surface.
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/*
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Position.axis|
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-- ---|--- small_radius
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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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-- ---------|--------- large_radius
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Position
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*/
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// The code for G4FConicalSurface has been derived from the original
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// implementation in the "Gismo" package.
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//
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// Author: Alan 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 __FCONIC_H
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#define __FCONIC_H
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@@ -15,153 +42,108 @@
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#include "G4Axis2Placement3D.hh"
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#include "G4Surface.hh"
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// Position.axis|
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// |
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// -- ---|--- small_radius
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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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// -- ---------|--------- large_radius
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// Position
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class G4FConicalSurface: public G4Surface //: public G4ConicalSurface
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class G4FConicalSurface : public G4Surface
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{
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protected:
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G4double length; // length of G4FConicalSurface
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G4double small_radius;// small radius of G4FConicalSurface, can be zero
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G4double large_radius;// large radius of G4FConicalSurface, must be
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// greater than the small radius
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// Note that the angle of the G4ConicalSurface is
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// calculated from these three quantities.
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G4Axis2Placement3D Position;
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// Add by L. Broglia
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G4double tan_angle;
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public:
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public: // with description
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G4FConicalSurface() //: G4ConicalSurface()
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{
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length = 1.0;
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small_radius = 0.0;
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large_radius = 1.0;
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// Add by L. Broglia
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tan_angle = (large_radius-small_radius)/length;
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}
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// constructor utilized into G4BREPSolidPCone
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// default constructor
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//----->G4FConicalSurface() : G4ConicalSurface() { length = 1.0;
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//-----> small_radius = 0.0;
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//-----> large_radius = 1.0; }
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//
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// Normal constructor: first argument is the origin of the G4FConicalSurface
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// second argument is the axis of the G4FConicalSurface
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// third argument is the length of the G4FConicalSurface
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// fourth argument is the small radius of the
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// G4FConicalSurface
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// fifth argument is the large radius of the
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// G4FConicalSurface
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G4FConicalSurface();
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virtual ~G4FConicalSurface();
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// Default constructor and destructor.
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G4FConicalSurface( const G4Point3D& o, const G4Vector3D& a,
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G4double l, G4double sr, G4double lr );
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G4FConicalSurface( const G4FConicalSurface& c );
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~G4FConicalSurface() {}
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// o : origin of the G4FConicalSurface.
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// a : axis of the G4FConicalSurface.
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// l : length of the G4FConicalSurface.
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// sl: small radius of the G4FConicalSurface.
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// lr: large radius of the G4FConicalSurface.
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virtual G4Vector3D SurfaceNormal( const G4Point3D& p ) const;
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// Returns the normal to the surface on point p.
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// Return 0 if point x is outside G4ConicalSurface, 1 if Inside.
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virtual int Inside( const G4Vector3D& x ) const;
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G4int Inside( const G4Vector3D& x ) const;
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// Returns 0 if point x is outside G4ConicalSurface, 1 if Inside.
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G4String GetEntityType(){return G4String("FConical_Surface");}
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inline G4String GetEntityType() const;
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// Returns the type identifier.
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virtual const char* Name() const;
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// Returns the class type name.
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// STEP additions
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//
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// function to return class name
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virtual const char* Name() const { return "G4FConicalSurface"; }
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// printing function
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virtual void PrintOn( G4std::ostream& os = G4cout ) const;
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// Printing function.
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// equality operator
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int operator==( const G4FConicalSurface& c );
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G4int operator==( const G4FConicalSurface& c ) const;
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// Equality operator.
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// This function count the number of intersections of a
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// bounded conical surface by a ray.
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// At first, calculates the intersections with the semi-infinite
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// conical surfsace. After, count the intersections within the
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// finite conical surface boundaries, and set "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 or the intersection with
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// the opposite surface or kInfinity
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// If no intersection is founded, set distance = kInfinity and
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// return 0
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G4int Intersect( const G4Ray& ry );
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// Counts the number of intersections of a bounded conical surface by a ray.
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// At first, calculates the intersections with the semi-infinite
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// conical surface; then, it counts the intersections within the
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// finite conical 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 or 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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int Intersect( const G4Ray& ry ) ;
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void CalcBBox();
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// Computes the bounding-box.
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// Add by L. Broglia
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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 G4FConicalSurface.
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// The distance will always be positive.
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// This function works only with Cone axis equal (0,0,1) or (0,0,-1),
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// it projects the surface and the point on the x,z plane and computes
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// the distance in analytical way.
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// Shortest distance from the point x to the G4FConicalSurface.
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// The distance will be positive always positive
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virtual G4double HowNear( const G4Vector3D& x ) const;
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// function which returns true (1) if the point x is within the boundary
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// returns false (0) otherwise
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virtual int WithinBoundary( const G4Vector3D& x ) const;
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// function to return the size of a G4FConicalSurface.
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// Used for Scale-invariant tests of surface thickness.
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// If the small radius is zero, returns the large radius.
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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, returns 0 otherwise.
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virtual G4double Scale() const;
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// Returns the size of a G4FConicalSurface.
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// Used for Scale-invariant tests of surface thickness.
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// If the small radius is zero, returns the large radius.
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// function to calculate the Area of a G4FConicalSurface
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virtual G4double Area() const;
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// function to change the radii and length of the G4FConicalSurface
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// the first (input) argument is the new length
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// the second (input) argument is the new small radius
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// the third (input) argument is the new large radius
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// Calculates the area of a G4FConicalSurface.
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virtual void resize( G4double l, G4double sr, G4double lr );
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// functions to return the dimensions of the G4FConicalSurface
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// Changes the radii and length of the G4FConicalSurface.
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// - l (input) argument: the new length
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// - sr (input) argument: the new small radius
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// - lr (input) argument: the new large radius
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G4double GetLength() const { return length; }
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// functions to return the dimensions of the G4FConicalSurface
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inline G4double GetLength() const;
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inline G4double GetSmallRadius() const;
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inline G4double GetLargeRadius() const;
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inline G4double GetTan_Angle() const;
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// Accessors to dimensions of the G4FConicalSurface.
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G4double GetSmallRadius() const { return small_radius; }
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protected:
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// functions to return the dimensions of the G4FConicalSurface
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G4double length;
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// length of G4FConicalSurface
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G4double GetLargeRadius() const { return large_radius; }
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G4double small_radius;
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// small radius of G4FConicalSurface, can be zero
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G4double large_radius;
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// large radius of G4FConicalSurface, must be greater than the small
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// radius. Note that the angle of the G4ConicalSurface is calculated
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// from these three quantities.
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G4Axis2Placement3D Position;
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G4double tan_angle;
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// functions to return the dimensions of the G4FConicalSurface
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private:
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G4double GetTan_Angle() const { return tan_angle; }
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G4FConicalSurface(const G4FConicalSurface&);
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G4FConicalSurface& operator=(const G4FConicalSurface&);
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// Private copy constructor and assignment operator.
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};
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#include "G4FConicalSurface.icc"
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#endif
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