0026936: Drawbacks of inlining in new type system in OCCT 7.0 -- automatic
[occt.git] / src / GeomFill / GeomFill_CircularBlendFunc.hxx
CommitLineData
42cf5bc1 1// Created on: 1997-07-11
2// Created by: Philippe MANGIN
3// Copyright (c) 1997-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
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.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _GeomFill_CircularBlendFunc_HeaderFile
18#define _GeomFill_CircularBlendFunc_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_Type.hxx>
22
23#include <gp_Pnt.hxx>
24#include <Standard_Real.hxx>
25#include <Standard_Integer.hxx>
26#include <Convert_ParameterisationType.hxx>
27#include <Standard_Boolean.hxx>
28#include <Approx_SweepFunction.hxx>
29#include <TColgp_Array1OfPnt.hxx>
30#include <TColgp_Array1OfPnt2d.hxx>
31#include <TColStd_Array1OfReal.hxx>
32#include <TColgp_Array1OfVec.hxx>
33#include <TColgp_Array1OfVec2d.hxx>
34#include <TColStd_Array1OfInteger.hxx>
35#include <GeomAbs_Shape.hxx>
36class Adaptor3d_HCurve;
37class Standard_OutOfRange;
38class gp_Pnt;
39
40
41class GeomFill_CircularBlendFunc;
42DEFINE_STANDARD_HANDLE(GeomFill_CircularBlendFunc, Approx_SweepFunction)
43
44//! Circular Blend Function to approximate by
45//! SweepApproximation from Approx
46class GeomFill_CircularBlendFunc : public Approx_SweepFunction
47{
48
49public:
50
51
52 //! Create a Blend with a constant radius with 2
53 //! guide-line. <FShape> sets the type of fillet
54 //! surface. The -- default value is Convert_TgtThetaOver2 (classical --
55 //! nurbs -- representation of circles).
56 //! ChFi3d_QuasiAngular -- corresponds to a nurbs
57 //! representation of circles -- which
58 //! parameterisation matches the circle one. --
59 //! ChFi3d_Polynomial corresponds to a polynomial --
60 //! representation of circles.
61 Standard_EXPORT GeomFill_CircularBlendFunc(const Handle(Adaptor3d_HCurve)& Path, const Handle(Adaptor3d_HCurve)& Curve1, const Handle(Adaptor3d_HCurve)& Curve2, const Standard_Real Radius, const Standard_Boolean Polynomial = Standard_False);
62
63 //! compute the section for v = param
64 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
65
66 //! compute the first derivative in v direction of the
67 //! section for v = param
68 Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE;
69
70 //! compute the second derivative in v direction of the
71 //! section for v = param
72 Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, 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;
73
74 //! get the number of 2d curves to approximate.
75 Standard_EXPORT virtual Standard_Integer Nb2dCurves() const Standard_OVERRIDE;
76
77 //! get the format of an section
78 Standard_EXPORT virtual void SectionShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree) const Standard_OVERRIDE;
79
80 //! get the Knots of the section
81 Standard_EXPORT virtual void Knots (TColStd_Array1OfReal& TKnots) const Standard_OVERRIDE;
82
83 //! get the Multplicities of the section
84 Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
85
86 //! Returns if the section is rationnal or not
87 Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
88
89 //! Returns the number of intervals for continuity
90 //! <S>. May be one if Continuity(me) >= <S>
91 Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
92
93 //! Stores in <T> the parameters bounding the intervals
94 //! of continuity <S>.
95 //!
96 //! The array must provide enough room to accomodate
97 //! for the parameters. i.e. T.Length() > NbIntervals()
98 Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
99
100 //! Sets the bounds of the parametric interval on
101 //! the fonction
102 //! This determines the derivatives in these values if the
103 //! function is not Cn.
104 Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
105
106 //! Returns the tolerance to reach in approximation
107 //! to respecte
108 //! BoundTol error at the Boundary
109 //! AngleTol tangent error at the Boundary (in radian)
110 //! SurfTol error inside the surface.
111 Standard_EXPORT virtual void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal& Tol3d) const Standard_OVERRIDE;
112
113 //! Is usfull, if (me) have to be run numerical
114 //! algorithme to perform D0, D1 or D2
115 Standard_EXPORT virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d) Standard_OVERRIDE;
116
117 //! Get the barycentre of Surface. An very poor
118 //! estimation is sufficent. This information is usefull
119 //! to perform well conditionned rational approximation.
120 Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const Standard_OVERRIDE;
121
122 //! Returns the length of the maximum section. This
123 //! information is usefull to perform well conditionned rational
124 //! approximation.
125 Standard_EXPORT virtual Standard_Real MaximalSection() const Standard_OVERRIDE;
126
127 //! Compute the minimal value of weight for each poles
128 //! of all sections. This information is usefull to
129 //! perform well conditionned rational approximation.
130 Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
131
132
133
134
92efcf78 135 DEFINE_STANDARD_RTTIEXT(GeomFill_CircularBlendFunc,Approx_SweepFunction)
42cf5bc1 136
137protected:
138
139
140
141
142private:
143
144
145 Standard_EXPORT void Discret();
146
147 gp_Pnt myBary;
148 Standard_Real myRadius;
149 Standard_Real maxang;
150 Standard_Real minang;
151 Standard_Real distmin;
152 Handle(Adaptor3d_HCurve) myPath;
153 Handle(Adaptor3d_HCurve) myCurve1;
154 Handle(Adaptor3d_HCurve) myCurve2;
155 Handle(Adaptor3d_HCurve) myTPath;
156 Handle(Adaptor3d_HCurve) myTCurve1;
157 Handle(Adaptor3d_HCurve) myTCurve2;
158 Standard_Integer myDegree;
159 Standard_Integer myNbKnots;
160 Standard_Integer myNbPoles;
161 Convert_ParameterisationType myTConv;
162 Standard_Boolean myreverse;
163
164
165};
166
167
168
169
170
171
172
173#endif // _GeomFill_CircularBlendFunc_HeaderFile