1 // Created on: 1997-02-06
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1997-1999 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 _BRepBlend_SurfRstConstRad_HeaderFile
18 #define _BRepBlend_SurfRstConstRad_HeaderFile
20 #include <Adaptor3d_Surface.hxx>
21 #include <Adaptor3d_CurveOnSurface.hxx>
23 #include <gp_Pnt2d.hxx>
25 #include <gp_Vec2d.hxx>
26 #include <BlendFunc_SectionShape.hxx>
27 #include <Convert_ParameterisationType.hxx>
28 #include <Blend_SurfRstFunction.hxx>
29 #include <math_Vector.hxx>
30 #include <TColStd_Array1OfReal.hxx>
31 #include <GeomAbs_Shape.hxx>
32 #include <TColStd_Array1OfInteger.hxx>
33 #include <TColgp_Array1OfPnt.hxx>
34 #include <TColgp_Array1OfVec.hxx>
35 #include <TColgp_Array1OfPnt2d.hxx>
36 #include <TColgp_Array1OfVec2d.hxx>
43 //! Copy of CSConstRad with pcurve on surface
45 class BRepBlend_SurfRstConstRad : public Blend_SurfRstFunction
52 Standard_EXPORT BRepBlend_SurfRstConstRad(const Handle(Adaptor3d_Surface)& Surf, const Handle(Adaptor3d_Surface)& SurfRst, const Handle(Adaptor2d_Curve2d)& Rst, const Handle(Adaptor3d_Curve)& CGuide);
55 Standard_EXPORT Standard_Integer NbVariables() const Standard_OVERRIDE;
58 Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
60 //! computes the values <F> of the Functions for the
62 //! Returns True if the computation was done successfully,
64 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
66 //! returns the values <D> of the derivatives for the
68 //! Returns True if the computation was done successfully,
70 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
72 //! returns the values <F> of the functions and the derivatives
73 //! <D> for the variable <X>.
74 //! Returns True if the computation was done successfully,
76 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
78 Standard_EXPORT void Set (const Handle(Adaptor3d_Surface)& SurfRef, const Handle(Adaptor2d_Curve2d)& RstRef);
80 Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE;
82 //! Sets the bounds of the parametric interval on
84 //! This determines the derivatives in these values if the
85 //! function is not Cn.
86 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
88 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE;
90 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE;
92 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
94 //! Returns the minimal Distance between two
95 //! extremities of calculated sections.
96 Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
98 Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE;
100 Standard_EXPORT const gp_Pnt& PointOnRst() const Standard_OVERRIDE;
102 //! Returns U,V coordinates of the point on the surface.
103 Standard_EXPORT const gp_Pnt2d& Pnt2dOnS() const Standard_OVERRIDE;
105 //! Returns U,V coordinates of the point on the curve on
107 Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst() const Standard_OVERRIDE;
109 //! Returns parameter of the point on the curve.
110 Standard_EXPORT Standard_Real ParameterOnRst() const Standard_OVERRIDE;
112 Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE;
114 Standard_EXPORT const gp_Vec& TangentOnS() const Standard_OVERRIDE;
116 Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const Standard_OVERRIDE;
118 Standard_EXPORT const gp_Vec& TangentOnRst() const Standard_OVERRIDE;
120 Standard_EXPORT const gp_Vec2d& Tangent2dOnRst() const Standard_OVERRIDE;
122 //! Enables implementation of a criterion of decrochage
123 //! specific to the function.
124 //! Warning: Can be called without previous call of issolution
125 //! but the values calculated can be senseless.
126 Standard_EXPORT Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const Standard_OVERRIDE;
128 Standard_EXPORT void Set (const Standard_Real Radius, const Standard_Integer Choix);
130 //! Sets the type of section generation for the
132 Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection);
134 Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
136 //! Returns if the section is rationnal
137 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
139 //! Returns the length of the maximum section
140 Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE;
142 //! Compute the minimal value of weight for each poles
144 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
146 //! Returns the number of intervals for continuity
147 //! <S>. May be one if Continuity(me) >= <S>
148 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
150 //! Stores in <T> the parameters bounding the intervals
151 //! of continuity <S>.
152 //! The array must provide enough room to accommodate
153 //! for the parameters. i.e. T.Length() > NbIntervals()
154 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
156 Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
158 //! Returns the tolerance to reach in approximation
160 //! BoundTol error at the Boundary
161 //! AngleTol tangent error at the Boundary
162 //! SurfTol error inside the surface.
163 Standard_EXPORT void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, math_Vector& Tol3d, math_Vector& Tol1D) const Standard_OVERRIDE;
165 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
167 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
169 //! Used for the first and last section
170 Standard_EXPORT Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE;
172 //! Used for the first and last section
173 //! The method returns Standard_True if the derivatives
174 //! are computed, otherwise it returns Standard_False.
175 Standard_EXPORT Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColgp_Array1OfVec2d& D2Poles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths) Standard_OVERRIDE;
177 Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
179 Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
194 Handle(Adaptor3d_Surface) surf;
195 Handle(Adaptor3d_Surface) surfrst;
196 Handle(Adaptor2d_Curve2d) rst;
197 Adaptor3d_CurveOnSurface cons;
198 Handle(Adaptor3d_Curve) guide;
199 Handle(Adaptor3d_Curve) tguide;
204 Standard_Real prmrst;
205 Standard_Boolean istangent;
211 Standard_Integer choix;
216 Standard_Real normtg;
218 Handle(Adaptor3d_Surface) surfref;
219 Handle(Adaptor2d_Curve2d) rstref;
220 Standard_Real maxang;
221 Standard_Real minang;
222 Standard_Real distmin;
223 BlendFunc_SectionShape mySShape;
224 Convert_ParameterisationType myTConv;
235 #endif // _BRepBlend_SurfRstConstRad_HeaderFile