| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4BezierSurface.hh,v 1.7 2006/06/29 18:38:20 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03 $
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| 29 | //
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| 30 | // ----------------------------------------------------------------------
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| 31 | // Class G4BezierSurface
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // Definition of a generic Bezier surface.
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| 36 |
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| 37 | // Authors: J.Sulkimo, P.Urban.
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| 38 | // Revisions by: L.Broglia, G.Cosmo.
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| 39 | // ----------------------------------------------------------------------
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| 40 | #ifndef __BEZIERSURFACE_H
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| 41 | #define __BEZIERSURFACE_H
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| 42 |
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| 43 | #include "G4Ray.hh"
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| 44 | #include "G4ControlPoints.hh"
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| 45 | #include "G4SurfaceList.hh"
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| 46 | #include "G4PointRat.hh"
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| 47 | #include "G4OsloMatrix.hh"
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| 48 | #include "G4KnotVector.hh"
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| 49 |
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| 50 | class G4ProjectedSurface;
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| 51 |
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| 52 | class G4BezierSurface : public G4Surface
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| 53 | {
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| 54 | friend class G4BSplineSurface;
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| 55 | friend class G4ProjectedSurface;
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| 56 |
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| 57 | public: // with description
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| 58 |
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| 59 | G4BezierSurface();
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| 60 | virtual ~G4BezierSurface();
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| 61 | // Constructor & destructor
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| 62 |
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| 63 | inline G4Point3D AveragePoint() const;
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| 64 | inline void SetAveragePoint(G4Point3D p);
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| 65 |
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| 66 | inline G4double UAverage() const;
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| 67 | inline G4double VAverage() const;
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| 68 |
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| 69 | inline void Dir(G4int d);
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| 70 | inline void ChangeDir();
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| 71 |
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| 72 | inline G4double SMin() const;
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| 73 | inline G4double SMax() const;
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| 74 |
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| 75 | inline G4int GetOrder(G4int direction) const;
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| 76 | inline void PutOrder(G4int direction, G4int value);
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| 77 |
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| 78 | inline G4double GetU() const;
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| 79 | inline G4double GetV() const;
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| 80 |
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| 81 | void CalcBBox();
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| 82 |
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| 83 | G4int BIntersect(G4SurfaceList&);
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| 84 |
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| 85 | G4int ClipBothDirs();
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| 86 | void ClipSurface();
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| 87 |
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| 88 | virtual G4Vector3D SurfaceNormal(const G4Point3D& Pt) const;
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| 89 |
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| 90 | friend void CopySurface(G4BezierSurface& bez);
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| 91 |
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| 92 | protected: // without description
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| 93 |
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| 94 | G4SurfaceList* bezier_list;
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| 95 |
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| 96 | static G4int Clips;
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| 97 | static G4int Splits;
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| 98 | static G4double Tolerance;
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| 99 | // Test variables
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| 100 |
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| 101 | private:
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| 102 |
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| 103 | void CalcAverage();
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| 104 | void CalcDistance(const G4Point3D&);
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| 105 | void SetValues();
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| 106 | inline void LocalizeClipValues();
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| 107 |
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| 108 | void SplitNURBSurface();
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| 109 | void GetClippedRegionFromSurface();
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| 110 | void RefineSurface();
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| 111 | void CalcOsloMatrix();
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| 112 | void MapSurface(G4Surface*);
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| 113 |
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| 114 | inline G4double Findzero(G4double x0, G4double x1,
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| 115 | G4double y0, G4double y1) const;
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| 116 | inline G4int Sign(G4double a) const;
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| 117 | // For ClipSurface...
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| 118 |
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| 119 | inline G4int Amax(G4int i, G4int j) const;
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| 120 | inline G4int Amin(G4int i, G4int j) const;
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| 121 | inline G4int AhIndex(G4int j, G4int t, G4int iorder) const;
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| 122 | // For calc_G4OsloMatrix...
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| 123 |
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| 124 | private:
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| 125 |
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| 126 | G4BezierSurface(const G4BezierSurface&);
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| 127 | G4BezierSurface& operator=(const G4BezierSurface &);
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| 128 | // Private copy constructor and assignment operator.
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| 129 |
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| 130 | private:
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| 131 |
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| 132 | G4int order[2];
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| 133 | G4double smin;
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| 134 | G4double smax;
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| 135 | G4Point3D line;
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| 136 | G4double average_u;
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| 137 | G4double average_v;
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| 138 | G4Point3D average_pt;
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| 139 | G4int dir;
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| 140 | G4KnotVector *u_knots;
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| 141 | G4KnotVector *v_knots;
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| 142 | G4ControlPoints *ctl_points;
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| 143 |
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| 144 | G4KnotVector *new_knots;
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| 145 | G4int ord;
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| 146 | G4OsloMatrix * oslo_m;
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| 147 | G4int lower,upper;
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| 148 | G4double u[2];
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| 149 | G4double v[2];
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| 150 | G4double u_min;
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| 151 | G4double u_max;
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| 152 | G4double v_min;
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| 153 | G4double v_max;
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| 154 | G4ControlPoints* old_points;
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| 155 |
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| 156 | };
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| 157 |
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| 158 | #include "G4BezierSurface.icc"
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| 159 |
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| 160 | #endif
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