Gabriele Cosmo
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//
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// G4PolyPhiFace.hh
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//
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// Definition of a face that bounds a polycone or polyhedra when it has a phi
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// opening.
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//
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// Specifically: a face that lies on a plane that passes through
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// the z axis. It has boundaries that are straight lines of arbitrary length
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// and direction, but with corners aways on the same side of the z axis.
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//
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#ifndef G4PolyPhiFace_hh
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#define G4PolyPhiFace_hh
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#include "G4VCSGface.hh"
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typedef struct {
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G4double r, z; // position
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G4double rNorm,
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zNorm; // r/z normal
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G4ThreeVector norm3D; // 3D normal
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} G4PolyPhiFaceVertex;
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typedef struct {
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G4PolyPhiFaceVertex *v0, *v1; // Corners
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G4double tr, tz, // Unit vector along edge
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length; // Length of edge
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G4ThreeVector norm3D; // 3D edge normal vector
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} G4PolyPhiFaceEdge;
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class G4PolyPhiFace : public G4VCSGface {
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public:
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G4PolyPhiFace( const G4double *r, const G4double *z, const G4int n,
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const G4double phi, const G4double deltaPhi, const G4bool start );
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virtual ~G4PolyPhiFace();
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G4bool Intersect( const G4ThreeVector &p, const G4ThreeVector &v,
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const G4bool outgoing, const G4double surfTolerance,
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G4double &distance, G4double &distFromSurface,
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G4ThreeVector &normal, G4bool &allBehind );
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G4double Distance( const G4ThreeVector &p, const G4bool outgoing );
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EInside Inside( const G4ThreeVector &p, const G4double tolerance,
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G4double *bestDistance );
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G4ThreeVector Normal( const G4ThreeVector &p, G4double *bestDistance );
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G4double Extent( const G4ThreeVector axis );
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void CalculateExtent( const EAxis axis,
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const G4VoxelLimits &voxelLimit,
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const G4AffineTransform &tranform,
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G4double &min, G4double &max );
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protected:
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G4PolyPhiFaceEdge *edges; // The edges of the face
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G4PolyPhiFaceVertex *corners; // And the corners
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G4int numEdges; // Number of edges
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G4ThreeVector normal; // Normal unit vector
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G4ThreeVector radial; // Unit vector along radial direction
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G4ThreeVector surface; // Point on surface
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G4double rMin, rMax, // Extent in r
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zMin, zMax; // Extent in z
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G4bool InsideEdges( const G4double r, const G4double z );
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G4bool InsideEdges( const G4double r, const G4double z,
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G4double *distRZ2, G4PolyPhiFaceVertex **base3Dnorm=0,
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G4ThreeVector **head3Dnorm=0 );
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};
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#endif
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