Gabriele Cosmo
158 lines
4.5 KiB
C++
158 lines
4.5 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4BezierSurface.hh,v 1.6 2001/07/11 09:59:32 gunter Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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// ----------------------------------------------------------------------
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// Class G4BezierSurface
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//
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// Class description:
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//
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// Definition of a generic Bezier surface.
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// Authors: J.Sulkimo, P.Urban.
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// Revisions by: L.Broglia, G.Cosmo.
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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: // with description
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G4BezierSurface();
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virtual ~G4BezierSurface();
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// Constructor & destructor
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inline G4Point3D AveragePoint() const;
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inline void SetAveragePoint(G4Point3D p);
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inline G4double UAverage() const;
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inline G4double VAverage() const;
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inline void Dir(G4int d);
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inline void ChangeDir();
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inline G4double SMin() const;
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inline G4double SMax() const;
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inline G4int GetOrder(G4int direction) const;
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inline void PutOrder(G4int direction, G4int value);
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inline G4double GetU() const;
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inline G4double GetV() const;
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void CalcBBox();
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G4int BIntersect(G4SurfaceList&);
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G4int ClipBothDirs();
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void ClipSurface();
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virtual G4Vector3D SurfaceNormal(const G4Point3D& Pt) const;
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friend void CopySurface(G4BezierSurface& bez);
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protected: // without description
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G4SurfaceList* bezier_list;
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static G4int Clips;
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static G4int Splits;
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static G4double Tolerance;
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// Test variables
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private:
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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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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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inline G4double Findzero(G4double x0, G4double x1,
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G4double y0, G4double y1) const;
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inline G4int Sign(G4double a) const;
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// For ClipSurface...
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inline G4int Amax(G4int i, G4int j) const;
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inline G4int Amin(G4int i, G4int j) const;
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inline G4int AhIndex(G4int j, G4int t, G4int iorder) const;
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// For calc_G4OsloMatrix...
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private:
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G4BezierSurface(const G4BezierSurface&);
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G4BezierSurface& operator=(const G4BezierSurface &);
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// Private copy constructor and assignment operator.
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private:
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G4int 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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G4int 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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G4KnotVector *new_knots;
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G4int ord;
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G4OsloMatrix * oslo_m;
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G4int 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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};
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#include "G4BezierSurface.icc"
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#endif
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