Files
geant4/source/geometry/solids/BREPS/include/G4FConicalSurface.hh
T
2016-06-08 15:28:20 +02:00

168 lines
4.9 KiB
C++

// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4FConicalSurface.hh,v 1.3.8.1 1999/12/07 20:48:18 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
//
#ifndef __FCONIC_H
#define __FCONIC_H
#include "G4PointRat.hh"
#include "G4Axis2Placement3D.hh"
#include "G4Surface.hh"
// Position.axis|
// |
// -- ---|--- small_radius
// l | / | \
// e | / | \
// n | / | \
// g | / | \
// t | / | \
// h | / | \
// -- ---------|--------- large_radius
// Position
class G4FConicalSurface: public G4Surface //: public G4ConicalSurface
{
protected:
G4double length; // length of G4FConicalSurface
G4double small_radius;// small radius of G4FConicalSurface, can be zero
G4double large_radius;// large radius of G4FConicalSurface, must be
// greater than the small radius
// Note that the angle of the G4ConicalSurface is
// calculated from these three quantities.
G4Axis2Placement3D Position;
// Add by L. Broglia
G4double tan_angle;
public:
G4FConicalSurface() //: G4ConicalSurface()
{
length = 1.0;
small_radius = 0.0;
large_radius = 1.0;
// Add by L. Broglia
tan_angle = (large_radius-small_radius)/length;
}
// constructor utilized into G4BREPSolidPCone
// default constructor
//----->G4FConicalSurface() : G4ConicalSurface() { length = 1.0;
//-----> small_radius = 0.0;
//-----> large_radius = 1.0; }
//
// Normal constructor: first argument is the origin of the G4FConicalSurface
// second argument is the axis of the G4FConicalSurface
// third argument is the length of the G4FConicalSurface
// fourth argument is the small radius of the
// G4FConicalSurface
// fifth argument is the large radius of the
// G4FConicalSurface
G4FConicalSurface( const G4Point3D& o, const G4Vector3D& a,
G4double l, G4double sr, G4double lr );
G4FConicalSurface( const G4FConicalSurface& c );
~G4FConicalSurface() {}
virtual G4Vector3D SurfaceNormal( const G4Point3D& p ) const;
// Return 0 if point x is outside G4ConicalSurface, 1 if Inside.
virtual int Inside( const G4Vector3D& x ) const;
G4String GetEntityType(){return G4String("FConical_Surface");}
// STEP additions
//
// function to return class name
virtual char *Name() const { return "G4FConicalSurface"; }
// printing function
virtual void PrintOn( ostream& os = G4cout ) const;
// equality operator
int operator==( const G4FConicalSurface& c );
// This function count the number of intersections of a
// bounded conical surface by a ray.
// At first, calculates the intersections with the semi-infinite
// conical surfsace. After, count the intersections within the
// finite conical surface boundaries, and set "distance" to the
// closest distance from the start point to the nearest intersection
// If the point is on the surface it returns or the intersection with
// the opposite surface or kInfinity
// If no intersection is founded, set distance = kInfinity and
// return 0
int Intersect( const G4Ray& ry ) ;
void CalcBBox();
// Add by L. Broglia
// Shortest distance from the point x to the G4FConicalSurface.
// The distance will be positive always positive
virtual G4double HowNear( const G4Vector3D& x ) const;
// function which returns true (1) if the point x is within the boundary
// returns false (0) otherwise
virtual int WithinBoundary( const G4Vector3D& x ) const;
// function to return the size of a G4FConicalSurface.
// Used for Scale-invariant tests of surface thickness.
// If the small radius is zero, returns the large radius.
virtual G4double Scale() const;
// function to calculate the Area of a G4FConicalSurface
virtual G4double Area() const;
// function to change the radii and length of the G4FConicalSurface
// the first (input) argument is the new length
// the second (input) argument is the new small radius
// the third (input) argument is the new large radius
virtual void resize( G4double l, G4double sr, G4double lr );
// functions to return the dimensions of the G4FConicalSurface
G4double GetLength() const { return length; }
// functions to return the dimensions of the G4FConicalSurface
G4double GetSmallRadius() const { return small_radius; }
// functions to return the dimensions of the G4FConicalSurface
G4double GetLargeRadius() const { return large_radius; }
// functions to return the dimensions of the G4FConicalSurface
G4double GetTan_Angle() const { return tan_angle; }
};
#endif