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 <Adaptor3d_SurfacePtr.hxx>
25 #include <Standard_Boolean.hxx>
26 #include <Extrema_ExtElCS.hxx>
27 #include <Extrema_SequenceOfPOnSurf.hxx>
28 #include <Extrema_SequenceOfPOnCurv.hxx>
29 #include <Standard_Real.hxx>
30 #include <TColStd_SequenceOfReal.hxx>
31 #include <GeomAbs_SurfaceType.hxx>
32 #include <Standard_Integer.hxx>
33 class StdFail_NotDone;
34 class Standard_OutOfRange;
35 class Standard_TypeMismatch;
36 class Adaptor3d_Curve;
37 class Adaptor3d_Surface;
38 class Extrema_POnCurv;
39 class Extrema_POnSurf;
43 //! It calculates all the extremum distances
44 //! between a curve and a surface.
45 //! These distances can be minimum or maximum.
53 Standard_EXPORT Extrema_ExtCS();
55 //! It calculates all the distances between C and S.
56 Standard_EXPORT Extrema_ExtCS(const Adaptor3d_Curve& C, const Adaptor3d_Surface& S, const Standard_Real TolC, const Standard_Real TolS);
58 //! It calculates all the distances between C and S.
59 //! UCinf and UCmax are the start and end parameters
61 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);
63 //! Initializes the fields of the algorithm.
64 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);
66 //! Computes the distances.
67 //! An exception is raised if the fieds have not been
69 Standard_EXPORT void Perform (const Adaptor3d_Curve& C, const Standard_Real Uinf, const Standard_Real Usup);
71 //! Returns True if the distances are found.
72 Standard_EXPORT Standard_Boolean IsDone() const;
74 //! Returns True if the curve is on a parallel surface.
75 Standard_EXPORT Standard_Boolean IsParallel() const;
77 //! Returns the number of extremum distances.
78 Standard_EXPORT Standard_Integer NbExt() const;
80 //! Returns the value of the Nth resulting square distance.
81 Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
83 //! Returns the point of the Nth resulting distance.
84 Standard_EXPORT void Points (const Standard_Integer N, Extrema_POnCurv& P1, Extrema_POnSurf& P2) const;
98 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);
100 Standard_EXPORT Adaptor3d_SurfacePtr Bidon() const;
103 Adaptor3d_SurfacePtr myS;
104 Standard_Boolean myDone;
105 Standard_Boolean myIsPar;
106 Extrema_ExtElCS myExtElCS;
107 Extrema_SequenceOfPOnSurf myPOnS;
108 Extrema_SequenceOfPOnCurv myPOnC;
109 Standard_Real myuinf;
110 Standard_Real myusup;
111 Standard_Real myvinf;
112 Standard_Real myvsup;
113 Standard_Real mytolC;
114 Standard_Real mytolS;
115 Standard_Real myucinf;
116 Standard_Real myucsup;
117 TColStd_SequenceOfReal mySqDist;
118 GeomAbs_SurfaceType myStype;
129 #endif // _Extrema_ExtCS_HeaderFile