Gabriele Cosmo
187 lines
4.2 KiB
C++
187 lines
4.2 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4BezierSurface.hh,v 1.1.10.1 1999/12/07 20:48:17 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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#ifndef __BEZIERSURFACE_H
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#define __BEZIERSURFACE_H
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#include "G4Ray.hh"
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#include "G4ControlPoints.hh"
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#include "G4SurfaceList.hh"
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#include "G4PointRat.hh"
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#include "G4OsloMatrix.hh"
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#include "G4KnotVector.hh"
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class G4ProjectedSurface;
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class G4BezierSurface : public G4Surface
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{
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friend class G4BSplineSurface;
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friend class G4ProjectedSurface;
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public:
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// Test variables
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static int Clips;
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static int Splits;
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G4BezierSurface();
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G4BezierSurface(const G4BezierSurface &tmp);
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~G4BezierSurface();
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friend void CopySurface(G4BezierSurface& bez);
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static G4double Tolerance;
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inline G4Point3D AveragePoint() { return average_pt; };
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inline void SetAveragePoint(G4Point3D p) { average_pt=p; }
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inline G4double UAverage() { return average_u; }
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inline G4double VAverage() { return average_v; }
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inline void Dir(int d) { dir=d; }
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inline void ChangeDir() { dir=!dir; }
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inline G4double SMin() {return smin; }
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inline G4double SMax() {return smax; }
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inline int GetOrder(int direction) { return order[direction]; }
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inline void PutOrder(int direction, int value){ order[direction]=value; }
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inline G4double GetU() { return (u_min + u_max)/2.0;}
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inline G4double GetV() { return (v_min + v_max)/2.0;}
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void CalcBBox();
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// L. Broglia
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// Because G4BezierSurface::Intersect hides the virtual function
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// G4Surface::Intersect(const G4Ray&), I changed the name of this
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// function
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// G4int Intersect(G4SurfaceList&);
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G4int BIntersect(G4SurfaceList&);
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G4SurfaceList* bezier_list;
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int ClipBothDirs();
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void ClipSurface();
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virtual G4Vector3D SurfaceNormal(const G4Point3D& Pt)const
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{
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return G4Vector3D(0,0,0);
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}
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private:
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int order[2];
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G4double smin;
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G4double smax;
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G4Point3D line;
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G4double average_u;
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G4double average_v;
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G4Point3D average_pt;
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int dir;
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G4KnotVector *u_knots;
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G4KnotVector *v_knots;
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G4ControlPoints *ctl_points;
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void CalcAverage();
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void CalcDistance(const G4Point3D&);
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void SetValues();
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inline void LocalizeClipValues()
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{
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if ( dir == ROW)
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{
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smin = (1.0 - smin) * u_knots->GetKnot(0) +
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smin * u_knots->GetKnot(u_knots->GetSize() - 1);
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smax = (1.0 - smax) * u_knots->GetKnot(0) +
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smax * u_knots->GetKnot(u_knots->GetSize() - 1);
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}
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else
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{
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smin = (1.0 - smin) * v_knots->GetKnot(0) +
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smin * v_knots->GetKnot(v_knots->GetSize() - 1);
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smax = (1.0 - smax) * v_knots->GetKnot(0) +
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smax * v_knots->GetKnot(v_knots->GetSize() - 1);
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}
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}
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G4KnotVector *new_knots;
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int ord;
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G4OsloMatrix * oslo_m;
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int lower,upper;
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G4double u[2];
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G4double v[2];
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G4double u_min;
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G4double u_max;
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G4double v_min;
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G4double v_max;
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G4ControlPoints* old_points;
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void SplitNURBSurface();
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void GetClippedRegionFromSurface();
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void RefineSurface();
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void CalcOsloMatrix();
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void MapSurface(G4Surface*);
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// For ClipSurface...
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inline G4double Findzero(G4double x0,G4double x1,G4double y0,G4double y1)
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{
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return(x0 - y0 * ( x1 - x0) / (y1-y0));
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};
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inline int Sign(G4double a)
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{
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return((a < 0.0)? -1 : 1) ;
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};
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// For calc_G4OsloMatrix...
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inline int Amax(int i, int j) {return( (i) > (j) ? (i) : (j) );};
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inline int Amin(int i, int j) {return( (i) < (j) ? (i) : (j) );};
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inline int AhIndex(int j,int t, int iorder)
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{
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return(( (j) * ((j)+1)/2) + (t) - ((iorder-1) - (j)));
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};
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};
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#endif
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