1 // Created on: 1995-01-27
2 // Created by: Jacques GOUSSARD
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 _GeomInt_WLApprox_HeaderFile
18 #define _GeomInt_WLApprox_HeaderFile
20 #include <Adaptor3d_Surface.hxx>
21 #include <NCollection_Vector.hxx>
22 #include <GeomInt_TheComputeLineOfWLApprox.hxx>
23 #include <GeomInt_TheComputeLineBezierOfWLApprox.hxx>
24 #include <Approx_MCurvesToBSpCurve.hxx>
25 #include <Approx_ParametrizationType.hxx>
27 class Adaptor3d_HSurfaceTool;
28 class IntSurf_Quadric;
29 class IntSurf_QuadricTool;
31 class GeomInt_ThePrmPrmSvSurfacesOfWLApprox;
32 class GeomInt_TheInt2SOfThePrmPrmSvSurfacesOfWLApprox;
33 class GeomInt_TheImpPrmSvSurfacesOfWLApprox;
34 class GeomInt_TheZerImpFuncOfTheImpPrmSvSurfacesOfWLApprox;
35 class GeomInt_TheMultiLineOfWLApprox;
36 class GeomInt_TheMultiLineToolOfWLApprox;
37 class GeomInt_TheComputeLineOfWLApprox;
38 class GeomInt_MyBSplGradientOfTheComputeLineOfWLApprox;
39 class GeomInt_MyGradientbisOfTheComputeLineOfWLApprox;
40 class GeomInt_TheComputeLineBezierOfWLApprox;
41 class GeomInt_MyGradientOfTheComputeLineBezierOfWLApprox;
42 class AppParCurves_MultiBSpCurve;
44 class GeomInt_WLApprox
49 Approx_Data () : myBezierApprox (Standard_True),
50 Xo (0.0), Yo (0.0), Zo (0.0),
51 U1o (0.0), V1o (0.0), U2o (0.0), V2o (0.0),
52 ApproxXYZ (Standard_True),
53 ApproxU1V1 (Standard_True),
54 ApproxU2V2 (Standard_True),
55 indicemin (0), indicemax (0),
56 myNbPntMax (30), parametrization (Approx_ChordLength)
60 Standard_Boolean myBezierApprox;
61 Standard_Real Xo, Yo, Zo, U1o, V1o, U2o, V2o;
62 Standard_Boolean ApproxXYZ, ApproxU1V1, ApproxU2V2;
63 Standard_Integer indicemin, indicemax, myNbPntMax;
64 Approx_ParametrizationType parametrization;
72 Standard_EXPORT GeomInt_WLApprox();
74 Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(IntPatch_WLine)& aLine, const Standard_Boolean ApproxXYZ = Standard_True, const Standard_Boolean ApproxU1V1 = Standard_True, const Standard_Boolean ApproxU2V2 = Standard_True, const Standard_Integer indicemin = 0, const Standard_Integer indicemax = 0);
76 Standard_EXPORT void Perform (const Handle(IntPatch_WLine)& aLine, const Standard_Boolean ApproxXYZ = Standard_True, const Standard_Boolean ApproxU1V1 = Standard_True, const Standard_Boolean ApproxU2V2 = Standard_True, const Standard_Integer indicemin = 0, const Standard_Integer indicemax = 0);
79 void SetParameters (const Standard_Real Tol3d, const Standard_Real Tol2d,
80 const Standard_Integer DegMin,
81 const Standard_Integer DegMax,
82 const Standard_Integer NbIterMax,
83 const Standard_Integer NbPntMax = 30,
84 const Standard_Boolean ApproxWithTangency = Standard_True,
85 const Approx_ParametrizationType
86 Parametrization = Approx_ChordLength);
87 Standard_EXPORT void Perform();
89 Standard_EXPORT Standard_Real TolReached3d() const;
91 Standard_EXPORT Standard_Real TolReached2d() const;
93 Standard_EXPORT Standard_Boolean IsDone() const;
95 Standard_EXPORT Standard_Integer NbMultiCurves() const;
97 Standard_EXPORT const AppParCurves_MultiBSpCurve& Value (const Standard_Integer Index) const;
109 Standard_EXPORT void Perform (const IntSurf_Quadric& Surf1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(IntPatch_WLine)& aLine, const Standard_Boolean ApproxXYZ, const Standard_Boolean ApproxU1V1, const Standard_Boolean ApproxU2V2, const Standard_Integer indicemin, const Standard_Integer indicemax, const Standard_Boolean isTheQuadFirst);
111 Standard_EXPORT void UpdateTolReached();
113 //! Fill data structure for intersection approximation.
114 Standard_EXPORT void fillData(const Handle(IntPatch_WLine)& theLine);
116 //! Prepare data structure for further computations.
117 Standard_EXPORT void prepareDS(const Standard_Boolean theApproxXYZ,
118 const Standard_Boolean theApproxU1V1,
119 const Standard_Boolean theApproxU2V2,
120 const Standard_Integer indicemin,
121 const Standard_Integer indicemax);
123 //! Build knot sequence.
124 Standard_EXPORT void buildKnots(const Handle(IntPatch_WLine)& theline,
125 const Standard_Address thePtrSVSurf);
128 Standard_EXPORT void buildCurve(const Handle(IntPatch_WLine)& theline,
129 const Standard_Address thePtrSVSurf);
131 GeomInt_TheComputeLineOfWLApprox myComputeLine;
132 GeomInt_TheComputeLineBezierOfWLApprox myComputeLineBezier;
133 Approx_MCurvesToBSpCurve myBezToBSpl;
134 Standard_Boolean myWithTangency;
135 Standard_Real myTol3d;
136 Standard_Real myTol2d;
137 Standard_Integer myDegMin;
138 Standard_Integer myDegMax;
139 Standard_Integer myNbIterMax;
140 Standard_Real myTolReached3d;
141 Standard_Real myTolReached2d;
143 NCollection_Vector<Standard_Integer> myKnots;
153 #endif // _GeomInt_WLApprox_HeaderFile