1 // Created by: Julia GERASIMOVA
2 // Copyright (c) 2015 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 #ifndef _BlendFunc_GenChamfer_HeaderFile
16 #define _BlendFunc_GenChamfer_HeaderFile
18 #include <Standard.hxx>
19 #include <Standard_DefineAlloc.hxx>
20 #include <Standard_Handle.hxx>
22 #include <Standard_Integer.hxx>
23 #include <Standard_Real.hxx>
24 #include <BlendFunc_Corde.hxx>
25 #include <Blend_Function.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <math_Vector.hxx>
28 #include <TColStd_Array1OfReal.hxx>
29 #include <GeomAbs_Shape.hxx>
30 #include <TColStd_Array1OfInteger.hxx>
31 #include <TColgp_Array1OfPnt.hxx>
32 #include <TColgp_Array1OfVec.hxx>
33 #include <TColgp_Array1OfPnt2d.hxx>
34 #include <TColgp_Array1OfVec2d.hxx>
35 class Adaptor3d_HSurface;
36 class Adaptor3d_HCurve;
46 //! Deferred class for a function used to compute a general chamfer
47 class BlendFunc_GenChamfer : public Blend_Function
53 Standard_EXPORT BlendFunc_GenChamfer(const Handle(Adaptor3d_HSurface)& S1,
54 const Handle(Adaptor3d_HSurface)& S2,
55 const Handle(Adaptor3d_HCurve)& CG);
57 //! returns the number of equations of the function.
58 Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
60 //! returns the values <F> of the functions and the derivatives
61 //! <D> for the variable <X>.
62 //! Returns True if the computation was done successfully,
64 Standard_EXPORT Standard_Boolean Values (const math_Vector& X,
66 math_Matrix& D) Standard_OVERRIDE;
68 //! Sets the value of the parameter along the guide line.
69 //! This determines the plane in which the solution has
71 Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE = 0;
73 //! Sets the bounds of the parametric interval on
75 //! This determines the derivatives in these values if the
76 //! function is not Cn.
77 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
79 Standard_EXPORT void GetTolerance (math_Vector& Tolerance,
80 const Standard_Real Tol) const Standard_OVERRIDE;
82 Standard_EXPORT void GetBounds (math_Vector& InfBound,
83 math_Vector& SupBound) const Standard_OVERRIDE;
85 //! Returns the minimal Distance beetween two
86 //! extremitys of calculed sections.
87 Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
89 //! Sets the distances and the "quadrant".
90 Standard_EXPORT virtual void Set (const Standard_Real Dist1,
91 const Standard_Real Dist2,
92 const Standard_Integer Choix) = 0;
95 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
97 //! Compute the minimal value of weight for each poles
99 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
101 //! Returns the number of intervals for continuity
102 //! <S>. May be one if Continuity(me) >= <S>
103 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
105 //! Stores in <T> the parameters bounding the intervals
106 //! of continuity <S>.
108 //! The array must provide enough room to accomodate
109 //! for the parameters. i.e. T.Length() > NbIntervals()
111 //! OutOfRange from Standard
112 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T,
113 const GeomAbs_Shape S) const Standard_OVERRIDE;
115 Standard_EXPORT void GetShape (Standard_Integer& NbPoles,
116 Standard_Integer& NbKnots,
117 Standard_Integer& Degree,
118 Standard_Integer& NbPoles2d) Standard_OVERRIDE;
120 //! Returns the tolerance to reach in approximation
122 //! BoundTol error at the Boundary
123 //! AngleTol tangent error at the Boundary
124 //! SurfTol error inside the surface.
125 Standard_EXPORT void GetTolerance (const Standard_Real BoundTol,
126 const Standard_Real SurfTol,
127 const Standard_Real AngleTol,
129 math_Vector& Tol1D) const Standard_OVERRIDE;
131 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
133 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
136 Standard_EXPORT void Section (const Standard_Real Param,
137 const Standard_Real U1,
138 const Standard_Real V1,
139 const Standard_Real U2,
140 const Standard_Real V2,
145 //! Used for the first and last section
146 Standard_EXPORT Standard_Boolean Section (const Blend_Point& P,
147 TColgp_Array1OfPnt& Poles,
148 TColgp_Array1OfVec& DPoles,
149 TColgp_Array1OfVec& D2Poles,
150 TColgp_Array1OfPnt2d& Poles2d,
151 TColgp_Array1OfVec2d& DPoles2d,
152 TColgp_Array1OfVec2d& D2Poles2d,
153 TColStd_Array1OfReal& Weigths,
154 TColStd_Array1OfReal& DWeigths,
155 TColStd_Array1OfReal& D2Weigths) Standard_OVERRIDE;
157 //! Used for the first and last section
158 Standard_EXPORT Standard_Boolean Section (const Blend_Point& P,
159 TColgp_Array1OfPnt& Poles,
160 TColgp_Array1OfVec& DPoles,
161 TColgp_Array1OfPnt2d& Poles2d,
162 TColgp_Array1OfVec2d& DPoles2d,
163 TColStd_Array1OfReal& Weigths,
164 TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE;
166 Standard_EXPORT void Section (const Blend_Point& P,
167 TColgp_Array1OfPnt& Poles,
168 TColgp_Array1OfPnt2d& Poles2d,
169 TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
171 Standard_EXPORT void Resolution (const Standard_Integer IC2d,
172 const Standard_Real Tol,
174 Standard_Real& TolV) const Standard_OVERRIDE;
181 Handle(Adaptor3d_HSurface) surf1;
182 Handle(Adaptor3d_HSurface) surf2;
183 Handle(Adaptor3d_HCurve) curv;
184 Standard_Integer choix;
186 Standard_Real distmin;
200 #endif // _BlendFunc_GenChamfer_HeaderFile