1 // Created on: 1991-02-21
2 // Created by: Isabelle GRIGNON
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Extrema_ExtCS_HeaderFile
18 #define _Extrema_ExtCS_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Extrema_ExtElCS.hxx>
25 #include <Extrema_SequenceOfPOnSurf.hxx>
26 #include <Extrema_SequenceOfPOnCurv.hxx>
27 #include <TColStd_SequenceOfReal.hxx>
28 #include <GeomAbs_SurfaceType.hxx>
30 class Adaptor3d_Curve;
31 class Adaptor3d_Surface;
32 class Extrema_POnCurv;
33 class Extrema_POnSurf;
37 //! It calculates all the extremum distances
38 //! between a curve and a surface.
39 //! These distances can be minimum or maximum.
47 Standard_EXPORT Extrema_ExtCS();
49 //! It calculates all the distances between C and S.
50 Standard_EXPORT Extrema_ExtCS(const Adaptor3d_Curve& C, const Adaptor3d_Surface& S, const Standard_Real TolC, const Standard_Real TolS);
52 //! It calculates all the distances between C and S.
53 //! UCinf and UCmax are the start and end parameters
55 Standard_EXPORT Extrema_ExtCS(const Adaptor3d_Curve& C, const Adaptor3d_Surface& S, const Standard_Real UCinf, const Standard_Real UCsup, const Standard_Real Uinf, const Standard_Real Usup, const Standard_Real Vinf, const Standard_Real Vsup, const Standard_Real TolC, const Standard_Real TolS);
57 //! Initializes the fields of the algorithm.
58 Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Real TolC, const Standard_Real TolS);
60 //! Initializes the fields of the algorithm.
61 Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Real Uinf, const Standard_Real Usup, const Standard_Real Vinf, const Standard_Real Vsup, const Standard_Real TolC, const Standard_Real TolS);
63 //! Computes the distances.
64 //! An exception is raised if the fieds have not been
66 Standard_EXPORT void Perform (const Adaptor3d_Curve& C, const Standard_Real Uinf, const Standard_Real Usup);
68 //! Returns True if the distances are found.
69 Standard_EXPORT Standard_Boolean IsDone() const;
71 //! Returns True if the curve is on a parallel surface.
72 Standard_EXPORT Standard_Boolean IsParallel() const;
74 //! Returns the number of extremum distances.
75 Standard_EXPORT Standard_Integer NbExt() const;
77 //! Returns the value of the Nth resulting square distance.
78 Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
80 //! Returns the point of the Nth resulting distance.
81 Standard_EXPORT void Points (const Standard_Integer N, Extrema_POnCurv& P1, Extrema_POnSurf& P2) const;
85 Standard_EXPORT Standard_Boolean AddSolution (const Adaptor3d_Curve& Curve, const Standard_Real T, const Standard_Real U, const Standard_Real V, const gp_Pnt& PointOnCurve, const gp_Pnt& PointOnSurf, const Standard_Real SquareDist);
90 Extrema_ExtCS (Extrema_ExtCS& ) Standard_DELETE;
91 Extrema_ExtCS& operator= (Extrema_ExtCS& ) Standard_DELETE;
95 const Adaptor3d_Surface* myS;
96 Standard_Boolean myDone;
97 Standard_Boolean myIsPar;
98 Extrema_ExtElCS myExtElCS;
99 Extrema_SequenceOfPOnSurf myPOnS;
100 Extrema_SequenceOfPOnCurv myPOnC;
101 Standard_Real myuinf;
102 Standard_Real myusup;
103 Standard_Real myvinf;
104 Standard_Real myvsup;
105 Standard_Real mytolC;
106 Standard_Real mytolS;
107 Standard_Real myucinf;
108 Standard_Real myucsup;
109 TColStd_SequenceOfReal mySqDist;
110 GeomAbs_SurfaceType myStype;
114 #endif // _Extrema_ExtCS_HeaderFile