1 // Created on: 1993-12-02
2 // Created by: Jacques GOUSSARD
3 // Copyright (c) 1993-1999 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 _BlendFunc_ConstRad_HeaderFile
18 #define _BlendFunc_ConstRad_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
25 #include <Standard_Boolean.hxx>
27 #include <gp_Vec2d.hxx>
28 #include <Standard_Real.hxx>
29 #include <Standard_Integer.hxx>
30 #include <math_Vector.hxx>
31 #include <math_Matrix.hxx>
32 #include <BlendFunc_Tensor.hxx>
33 #include <BlendFunc_SectionShape.hxx>
34 #include <Convert_ParameterisationType.hxx>
35 #include <Blend_Function.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 Adaptor3d_HCurve;
55 class BlendFunc_ConstRad : public Blend_Function
62 Standard_EXPORT BlendFunc_ConstRad(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_HCurve)& C);
64 //! returns the number of equations of the function.
65 Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
67 //! computes the values <F> of the Functions for the
69 //! Returns True if the computation was done successfully,
71 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
73 //! returns the values <D> of the derivatives for the
75 //! Returns True if the computation was done successfully,
77 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
79 //! returns the values <F> of the functions and the derivatives
80 //! <D> for the variable <X>.
81 //! Returns True if the computation was done successfully,
83 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
85 Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE;
87 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
89 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE;
91 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE;
93 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
95 //! Returns the minimal Distance between two
96 //! extremities of calculated sections.
97 Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
99 Standard_EXPORT const gp_Pnt& PointOnS1() const Standard_OVERRIDE;
101 Standard_EXPORT const gp_Pnt& PointOnS2() const Standard_OVERRIDE;
103 Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE;
105 Standard_EXPORT const gp_Vec& TangentOnS1() const Standard_OVERRIDE;
107 Standard_EXPORT const gp_Vec2d& Tangent2dOnS1() const Standard_OVERRIDE;
109 Standard_EXPORT const gp_Vec& TangentOnS2() const Standard_OVERRIDE;
111 Standard_EXPORT const gp_Vec2d& Tangent2dOnS2() const Standard_OVERRIDE;
113 //! Returns the tangent vector at the section,
114 //! at the beginning and the end of the section, and
115 //! returns the normal (of the surfaces) at
117 Standard_EXPORT void Tangent (const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, gp_Vec& TgFirst, gp_Vec& TgLast, gp_Vec& NormFirst, gp_Vec& NormLast) const Standard_OVERRIDE;
119 Standard_EXPORT virtual Standard_Boolean TwistOnS1() const Standard_OVERRIDE;
121 Standard_EXPORT virtual Standard_Boolean TwistOnS2() const Standard_OVERRIDE;
123 //! Inits the value of radius, and the "quadrant".
124 Standard_EXPORT void Set (const Standard_Real Radius, const Standard_Integer Choix);
126 //! Sets the type of section generation for the
128 Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection);
130 //! Utile pour une visu rapide et approximative de la surface.
131 Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
133 //! Returns if the section is rationnal
134 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
136 //! Returns the length of the maximum section
137 Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE;
139 //! Compute the minimal value of weight for each poles
141 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
143 //! Returns the number of intervals for continuity
144 //! <S>. May be one if Continuity(me) >= <S>
145 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
147 //! Stores in <T> the parameters bounding the intervals
148 //! of continuity <S>.
150 //! The array must provide enough room to accommodate
151 //! for the parameters. i.e. T.Length() > NbIntervals()
152 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
154 Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
156 //! Returns the tolerance to reach in approximation
158 //! BoundTol error at the Boundary
159 //! AngleTol tangent error at the Boundary
160 //! SurfTol error inside the surface.
161 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;
163 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
165 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
167 //! Used for the first and last section
168 Standard_EXPORT virtual 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;
170 //! Used for the first and last section
171 Standard_EXPORT virtual 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;
173 Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
175 Standard_EXPORT gp_Ax1 AxeRot (const Standard_Real Prm);
177 Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
191 Standard_EXPORT Standard_Boolean ComputeValues (const math_Vector& X, const Standard_Integer Order, const Standard_Boolean ByParam = Standard_False, const Standard_Real Param = 0);
194 Handle(Adaptor3d_HSurface) surf1;
195 Handle(Adaptor3d_HSurface) surf2;
196 Handle(Adaptor3d_HCurve) curv;
197 Handle(Adaptor3d_HCurve) tcurv;
200 Standard_Boolean istangent;
208 Standard_Integer choix;
209 Standard_Integer myXOrder;
210 Standard_Integer myTOrder;
255 BlendFunc_Tensor D2EDX2;
258 Standard_Real maxang;
259 Standard_Real minang;
260 Standard_Real distmin;
261 BlendFunc_SectionShape mySShape;
262 Convert_ParameterisationType myTConv;
273 #endif // _BlendFunc_ConstRad_HeaderFile