1 // Created on: 1997-07-28
2 // Created by: Jerome LEMONIER
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_SurfRstEvolRad_HeaderFile
18 #define _BRepBlend_SurfRstEvolRad_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Adaptor3d_CurveOnSurface.hxx>
26 #include <gp_Pnt2d.hxx>
27 #include <Standard_Real.hxx>
28 #include <Standard_Boolean.hxx>
30 #include <gp_Vec2d.hxx>
31 #include <Standard_Integer.hxx>
32 #include <BlendFunc_SectionShape.hxx>
33 #include <Convert_ParameterisationType.hxx>
34 #include <Blend_SurfRstFunction.hxx>
35 #include <math_Vector.hxx>
36 #include <TColStd_Array1OfReal.hxx>
37 #include <GeomAbs_Shape.hxx>
38 #include <TColStd_Array1OfInteger.hxx>
39 #include <TColgp_Array1OfPnt.hxx>
40 #include <TColgp_Array1OfVec.hxx>
41 #include <TColgp_Array1OfPnt2d.hxx>
42 #include <TColgp_Array1OfVec2d.hxx>
43 class Adaptor3d_HSurface;
44 class Adaptor2d_HCurve2d;
45 class Adaptor3d_HCurve;
56 //! Function to approximate by AppSurface for
57 //! Edge/Face and evolutif radius
58 class BRepBlend_SurfRstEvolRad : public Blend_SurfRstFunction
65 Standard_EXPORT BRepBlend_SurfRstEvolRad(const Handle(Adaptor3d_HSurface)& Surf, const Handle(Adaptor3d_HSurface)& SurfRst, const Handle(Adaptor2d_HCurve2d)& Rst, const Handle(Adaptor3d_HCurve)& CGuide, const Handle(Law_Function)& Evol);
68 Standard_EXPORT Standard_Integer NbVariables() const Standard_OVERRIDE;
71 Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
73 //! computes the values <F> of the Functions for the
75 //! Returns True if the computation was done successfully,
77 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
79 //! returns the values <D> of the derivatives for the
81 //! Returns True if the computation was done successfully,
83 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
85 //! returns the values <F> of the functions and the derivatives
86 //! <D> for the variable <X>.
87 //! Returns True if the computation was done successfully,
89 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
91 Standard_EXPORT void Set (const Handle(Adaptor3d_HSurface)& SurfRef, const Handle(Adaptor2d_HCurve2d)& RstRef);
93 Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE;
95 //! Sets the bounds of the parametric interval on
97 //! This determines the derivatives in these values if the
98 //! function is not Cn.
99 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
101 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE;
103 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE;
105 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
107 //! Returns the minimal Distance beetween two
108 //! extremitys of calculed sections.
109 Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
111 Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE;
113 Standard_EXPORT const gp_Pnt& PointOnRst() const Standard_OVERRIDE;
115 //! Returns U,V coordinates of the point on the surface.
116 Standard_EXPORT const gp_Pnt2d& Pnt2dOnS() const Standard_OVERRIDE;
118 //! Returns U,V coordinates of the point on the curve on
120 Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst() const Standard_OVERRIDE;
122 //! Returns parameter of the point on the curve.
123 Standard_EXPORT Standard_Real ParameterOnRst() const Standard_OVERRIDE;
125 Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE;
127 Standard_EXPORT const gp_Vec& TangentOnS() const Standard_OVERRIDE;
129 Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const Standard_OVERRIDE;
131 Standard_EXPORT const gp_Vec& TangentOnRst() const Standard_OVERRIDE;
133 Standard_EXPORT const gp_Vec2d& Tangent2dOnRst() const Standard_OVERRIDE;
135 //! Permet d ' implementer un critere de decrochage
136 //! specifique a la fonction.
137 Standard_EXPORT Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const Standard_OVERRIDE;
139 Standard_EXPORT void Set (const Standard_Integer Choix);
141 //! Sets the type of section generation for the
143 Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection);
145 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);
147 //! Returns if the section is rationnal
148 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
150 //! Returns the length of the maximum section
151 Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE;
153 //! Compute the minimal value of weight for each poles
155 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
157 //! Returns the number of intervals for continuity
158 //! <S>. May be one if Continuity(me) >= <S>
159 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
161 //! Stores in <T> the parameters bounding the intervals
162 //! of continuity <S>.
163 //! The array must provide enough room to accomodate
164 //! for the parameters. i.e. T.Length() > NbIntervals()
165 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
167 Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
169 //! Returns the tolerance to reach in approximation
171 //! BoundTol error at the Boundary
172 //! AngleTol tangent error at the Boundary
173 //! SurfTol error inside the surface.
174 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;
176 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
178 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
180 //! Used for the first and last section
181 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;
183 //! Used for the first and last section
184 //! The method returns Standard_True if the derivatives
185 //! are computed, otherwise it returns Standard_False.
186 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;
188 Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
190 Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
205 Handle(Adaptor3d_HSurface) surf;
206 Handle(Adaptor3d_HSurface) surfrst;
207 Handle(Adaptor2d_HCurve2d) rst;
208 Adaptor3d_CurveOnSurface cons;
209 Handle(Adaptor3d_HCurve) guide;
210 Handle(Adaptor3d_HCurve) tguide;
215 Standard_Real prmrst;
216 Standard_Boolean istangent;
223 Standard_Integer choix;
228 Standard_Real normtg;
230 Handle(Adaptor3d_HSurface) surfref;
231 Handle(Adaptor2d_HCurve2d) rstref;
232 Standard_Real maxang;
233 Standard_Real minang;
234 Standard_Real distmin;
235 BlendFunc_SectionShape mySShape;
236 Convert_ParameterisationType myTConv;
237 Handle(Law_Function) tevol;
238 Handle(Law_Function) fevol;
250 #endif // _BRepBlend_SurfRstEvolRad_HeaderFile