1 // Created on: 1995-06-06
2 // Created by: Jean Yves LEBEY
3 // Copyright (c) 1995-1999 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 _BRepApprox_TheMultiLineOfApprox_HeaderFile
18 #define _BRepApprox_TheMultiLineOfApprox_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Address.hxx>
25 #include <Standard_Integer.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <Standard_Real.hxx>
28 #include <Approx_Status.hxx>
29 #include <TColgp_Array1OfPnt.hxx>
30 #include <TColgp_Array1OfPnt2d.hxx>
31 #include <TColgp_Array1OfVec.hxx>
32 #include <TColgp_Array1OfVec2d.hxx>
33 class BRepApprox_ApproxLine;
34 class ApproxInt_SvSurfaces;
38 class BRepApprox_TheMultiLineOfApprox
45 //! The class SvSurfaces is used when the
46 //! approximation algorithm needs some extra points on
47 //! the line <line>. A New line is then created which
48 //! shares the same surfaces and functions.
50 //! SvSurfaces is a deferred class which allows
51 //! several implementations of this algorithm with
52 //! different surfaces (bi-parametric ones, or
53 //! implicit and biparametric ones)
54 Standard_EXPORT BRepApprox_TheMultiLineOfApprox(const Handle(BRepApprox_ApproxLine)& line, const Standard_Address PtrSvSurfaces, const Standard_Integer NbP3d, const Standard_Integer NbP2d, const Standard_Real xo, const Standard_Real ax, const Standard_Real yo, const Standard_Real ay, const Standard_Real zo, const Standard_Real az, const Standard_Real u1o, const Standard_Real a1u, const Standard_Real v1o, const Standard_Real a1v, const Standard_Real u2o, const Standard_Real a2u, const Standard_Real v2o, const Standard_Real a2v, const Standard_Boolean P2DOnFirst, const Standard_Integer IndMin = 0, const Standard_Integer IndMax = 0);
56 //! No Extra points will be added on the current line
57 Standard_EXPORT BRepApprox_TheMultiLineOfApprox(const Handle(BRepApprox_ApproxLine)& line, const Standard_Integer NbP3d, const Standard_Integer NbP2d, const Standard_Real xo, const Standard_Real ax, const Standard_Real yo, const Standard_Real ay, const Standard_Real zo, const Standard_Real az, const Standard_Real u1o, const Standard_Real a1u, const Standard_Real v1o, const Standard_Real a1v, const Standard_Real u2o, const Standard_Real a2u, const Standard_Real v2o, const Standard_Real a2v, const Standard_Boolean P2DOnFirst, const Standard_Integer IndMin = 0, const Standard_Integer IndMax = 0);
59 Standard_EXPORT Standard_Integer FirstPoint() const;
61 Standard_EXPORT Standard_Integer LastPoint() const;
63 //! Returns the number of 2d points of a TheLine.
64 Standard_EXPORT Standard_Integer NbP2d() const;
66 //! Returns the number of 3d points of a TheLine.
67 Standard_EXPORT Standard_Integer NbP3d() const;
69 Standard_EXPORT Approx_Status WhatStatus() const;
71 //! returns the 3d points of the multipoint <MPointIndex>
72 //! when only 3d points exist.
73 Standard_EXPORT void Value (const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt) const;
75 //! returns the 2d points of the multipoint <MPointIndex>
76 //! when only 2d points exist.
77 Standard_EXPORT void Value (const Standard_Integer MPointIndex, TColgp_Array1OfPnt2d& tabPt2d) const;
79 //! returns the 3d and 2d points of the multipoint
81 Standard_EXPORT void Value (const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt, TColgp_Array1OfPnt2d& tabPt2d) const;
83 //! returns the 3d points of the multipoint <MPointIndex>
84 //! when only 3d points exist.
85 Standard_EXPORT Standard_Boolean Tangency (const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV) const;
87 //! returns the 2d tangency points of the multipoint
88 //! <MPointIndex> only when 2d points exist.
89 Standard_EXPORT Standard_Boolean Tangency (const Standard_Integer MPointIndex, TColgp_Array1OfVec2d& tabV2d) const;
91 //! returns the 3d and 2d points of the multipoint
93 Standard_EXPORT Standard_Boolean Tangency (const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d) const;
95 Standard_EXPORT BRepApprox_TheMultiLineOfApprox MakeMLBetween (const Standard_Integer Low, const Standard_Integer High, const Standard_Integer NbPointsToInsert) const;
97 //! Dump of the current multi-line.
98 Standard_EXPORT void Dump() const;
113 Standard_Address PtrOnmySvSurfaces;
114 Handle(BRepApprox_ApproxLine) myLine;
115 Standard_Integer indicemin;
116 Standard_Integer indicemax;
117 Standard_Integer nbp3d;
118 Standard_Integer nbp2d;
119 Standard_Boolean p2donfirst;
144 #endif // _BRepApprox_TheMultiLineOfApprox_HeaderFile