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1 | // Created on: 1998-12-14 |
2 | // Created by: Joelle CHAUVET |
3 | // Copyright (c) 1998-1999 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_NSections_HeaderFile |
18 | #define _GeomFill_NSections_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <Standard_Real.hxx> |
24 | #include <TColGeom_SequenceOfCurve.hxx> |
25 | #include <GeomFill_SequenceOfTrsf.hxx> |
26 | #include <TColStd_SequenceOfReal.hxx> |
27 | #include <GeomFill_SectionLaw.hxx> |
28 | #include <Standard_Boolean.hxx> |
29 | #include <TColgp_Array1OfPnt.hxx> |
30 | #include <TColStd_Array1OfReal.hxx> |
31 | #include <TColgp_Array1OfVec.hxx> |
32 | #include <Standard_Integer.hxx> |
33 | #include <TColStd_Array1OfInteger.hxx> |
34 | #include <GeomAbs_Shape.hxx> |
35 | class Geom_BSplineSurface; |
36 | class Standard_OutOfRange; |
37 | class gp_Pnt; |
38 | class Geom_Curve; |
39 | |
40 | |
41 | class GeomFill_NSections; |
42 | DEFINE_STANDARD_HANDLE(GeomFill_NSections, GeomFill_SectionLaw) |
43 | |
44 | //! Define a Section Law by N Sections |
45 | class GeomFill_NSections : public GeomFill_SectionLaw |
46 | { |
47 | |
48 | public: |
49 | |
50 | |
51 | //! Make a SectionLaw with N Curves. |
52 | Standard_EXPORT GeomFill_NSections(const TColGeom_SequenceOfCurve& NC); |
53 | |
54 | //! Make a SectionLaw with N Curves and N associated parameters. |
55 | Standard_EXPORT GeomFill_NSections(const TColGeom_SequenceOfCurve& NC, const TColStd_SequenceOfReal& NP); |
56 | |
57 | //! Make a SectionLaw with N Curves and N associated parameters. |
58 | //! UF and UL are the parametric bounds of the NSections |
59 | Standard_EXPORT GeomFill_NSections(const TColGeom_SequenceOfCurve& NC, const TColStd_SequenceOfReal& NP, const Standard_Real UF, const Standard_Real UL); |
60 | |
61 | //! Make a SectionLaw with N Curves and N associated parameters. |
62 | //! UF and UL are the parametric bounds of the NSections |
63 | //! VF and VL are the parametric bounds of the path |
64 | Standard_EXPORT GeomFill_NSections(const TColGeom_SequenceOfCurve& NC, const TColStd_SequenceOfReal& NP, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL); |
65 | |
66 | //! Make a SectionLaw with N Curves and N associated parameters. |
67 | //! UF and UL are the parametric bounds of the NSections |
68 | //! VF and VL are the parametric bounds of the path |
69 | //! UF and UL are the parametric bounds of the NSections |
70 | //! Surf is a reference surface used by BRepFill_NSections |
71 | Standard_EXPORT GeomFill_NSections(const TColGeom_SequenceOfCurve& NC, const GeomFill_SequenceOfTrsf& Trsfs, const TColStd_SequenceOfReal& NP, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL, const Handle(Geom_BSplineSurface)& Surf); |
72 | |
73 | //! compute the section for v = param |
74 | Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE; |
75 | |
76 | //! compute the first derivative in v direction of the |
77 | //! section for v = param |
78 | //! Warning : It used only for C1 or C2 aproximation |
79 | Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE; |
80 | |
81 | //! compute the second derivative in v direction of the |
82 | //! section for v = param |
83 | //! Warning : It used only for C2 aproximation |
84 | Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths) Standard_OVERRIDE; |
85 | |
86 | //! Sets the reference surface |
87 | Standard_EXPORT void SetSurface (const Handle(Geom_BSplineSurface)& RefSurf); |
88 | |
89 | //! Computes the surface |
90 | Standard_EXPORT void ComputeSurface(); |
91 | |
92 | //! give if possible an bspline Surface, like iso-v are the |
93 | //! section. If it is not possible this methode have to |
94 | //! get an Null Surface. Is it the default implementation. |
95 | Standard_EXPORT virtual Handle(Geom_BSplineSurface) BSplineSurface() const Standard_OVERRIDE; |
96 | |
97 | //! get the format of an section |
98 | Standard_EXPORT virtual void SectionShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree) const Standard_OVERRIDE; |
99 | |
100 | //! get the Knots of the section |
101 | Standard_EXPORT virtual void Knots (TColStd_Array1OfReal& TKnots) const Standard_OVERRIDE; |
102 | |
103 | //! get the Multplicities of the section |
104 | Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE; |
105 | |
106 | //! Returns if the sections are rationnal or not |
107 | Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE; |
108 | |
109 | //! Returns if the sections are periodic or not |
110 | Standard_EXPORT virtual Standard_Boolean IsUPeriodic() const Standard_OVERRIDE; |
111 | |
112 | //! Returns if the law isperiodic or not |
113 | Standard_EXPORT virtual Standard_Boolean IsVPeriodic() const Standard_OVERRIDE; |
114 | |
115 | //! Returns the number of intervals for continuity |
116 | //! <S>. |
117 | //! May be one if Continuity(me) >= <S> |
118 | Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; |
119 | |
120 | //! Stores in <T> the parameters bounding the intervals |
121 | //! of continuity <S>. |
122 | //! |
123 | //! The array must provide enough room to accomodate |
124 | //! for the parameters. i.e. T.Length() > NbIntervals() |
125 | Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; |
126 | |
127 | //! Sets the bounds of the parametric interval on |
128 | //! the function |
129 | //! This determines the derivatives in these values if the |
130 | //! function is not Cn. |
131 | Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE; |
132 | |
133 | //! Gets the bounds of the parametric interval on |
134 | //! the function |
135 | Standard_EXPORT virtual void GetInterval (Standard_Real& First, Standard_Real& Last) const Standard_OVERRIDE; |
136 | |
137 | //! Gets the bounds of the function parametric domain. |
138 | //! Warning: This domain it is not modified by the |
139 | //! SetValue method |
140 | Standard_EXPORT virtual void GetDomain (Standard_Real& First, Standard_Real& Last) const Standard_OVERRIDE; |
141 | |
142 | //! Returns the tolerances associated at each poles to |
143 | //! reach in approximation, to satisfy: BoundTol error |
144 | //! at the Boundary AngleTol tangent error at the |
145 | //! Boundary (in radian) SurfTol error inside the |
146 | //! surface. |
147 | Standard_EXPORT virtual void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal& Tol3d) const Standard_OVERRIDE; |
148 | |
149 | //! Get the barycentre of Surface. |
150 | //! An very poor estimation is sufficent. |
151 | //! This information is usefull to perform well |
152 | //! conditioned rational approximation. |
153 | //! Warning: Used only if <me> IsRational |
154 | Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const Standard_OVERRIDE; |
155 | |
156 | //! Returns the length of the greater section. This |
157 | //! information is usefull to G1's control. |
158 | //! Warning: With an little value, approximation can be slower. |
159 | Standard_EXPORT virtual Standard_Real MaximalSection() const Standard_OVERRIDE; |
160 | |
161 | //! Compute the minimal value of weight for each poles |
162 | //! in all sections. |
163 | //! This information is usefull to control error |
164 | //! in rational approximation. |
165 | //! Warning: Used only if <me> IsRational |
166 | Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE; |
167 | |
168 | //! return True If the Law isConstant |
169 | Standard_EXPORT virtual Standard_Boolean IsConstant (Standard_Real& Error) const Standard_OVERRIDE; |
170 | |
171 | //! Return the constant Section if <me> IsConstant. |
172 | Standard_EXPORT virtual Handle(Geom_Curve) ConstantSection() const Standard_OVERRIDE; |
173 | |
174 | //! Returns True if all section are circle, with same |
175 | //! plane,same center and linear radius evolution |
176 | //! Return False by Default. |
177 | Standard_EXPORT virtual Standard_Boolean IsConicalLaw (Standard_Real& Error) const Standard_OVERRIDE; |
178 | |
179 | //! Return the circle section at parameter <Param>, if |
180 | //! <me> a IsConicalLaw |
181 | Standard_EXPORT virtual Handle(Geom_Curve) CirclSection (const Standard_Real Param) const Standard_OVERRIDE; |
182 | |
183 | |
184 | |
185 | |
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186 | DEFINE_STANDARD_RTTIEXT(GeomFill_NSections,GeomFill_SectionLaw) |
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187 | |
188 | protected: |
189 | |
190 | |
191 | |
192 | |
193 | private: |
194 | |
195 | |
196 | Standard_Real UFirst; |
197 | Standard_Real ULast; |
198 | Standard_Real VFirst; |
199 | Standard_Real VLast; |
200 | TColGeom_SequenceOfCurve mySections; |
201 | GeomFill_SequenceOfTrsf myTrsfs; |
202 | TColStd_SequenceOfReal myParams; |
203 | Handle(Geom_BSplineSurface) mySurface; |
204 | Handle(Geom_BSplineSurface) myRefSurf; |
205 | |
206 | |
207 | }; |
208 | |
209 | |
210 | |
211 | |
212 | |
213 | |
214 | |
215 | #endif // _GeomFill_NSections_HeaderFile |