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1 | -- Created on: 1997-02-06 |
2 | -- Created by: Laurent BOURESCHE |
3 | -- Copyright (c) 1997-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and / or modify it |
9 | -- under the terms of the GNU Lesser General Public 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. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class SurfRstConstRad from BRepBlend |
18 | inherits SurfRstFunction from Blend |
19 | |
20 | |
21 | uses Vector from math, |
22 | Matrix from math, |
23 | Ax1 from gp, |
24 | Vec from gp, |
25 | Vec2d from gp, |
26 | Pnt from gp, |
27 | Pnt2d from gp, |
28 | Circ from gp, |
29 | Array1OfPnt from TColgp, |
30 | Array1OfVec from TColgp, |
31 | Array1OfPnt2d from TColgp, |
32 | Array1OfVec2d from TColgp, |
33 | Array1OfReal from TColStd, |
34 | Array1OfInteger from TColStd, |
35 | Shape from GeomAbs, |
36 | Point from Blend, |
37 | SectionShape from BlendFunc, |
38 | HSurface from Adaptor3d, |
39 | HCurve from Adaptor3d, |
40 | HCurve2d from Adaptor2d, |
41 | CurveOnSurface from Adaptor3d, |
42 | ParameterisationType from Convert |
43 | |
44 | |
45 | is |
46 | |
47 | Create(Surf : HSurface from Adaptor3d; |
48 | SurfRst : HSurface from Adaptor3d; |
49 | Rst : HCurve2d from Adaptor2d; |
50 | CGuide : HCurve from Adaptor3d) |
51 | returns SurfRstConstRad from BRepBlend; |
52 | |
53 | NbVariables(me) |
54 | ---Purpose: Returns 3. |
55 | returns Integer from Standard; |
56 | |
57 | NbEquations(me) |
58 | ---Purpose: Returns 3. |
59 | returns Integer from Standard; |
60 | |
61 | Value(me: in out; X: Vector; F: out Vector) |
62 | ---Purpose: computes the values <F> of the Functions for the |
63 | -- variable <X>. |
64 | -- Returns True if the computation was done successfully, |
65 | -- False otherwise. |
66 | returns Boolean from Standard; |
67 | |
68 | Derivatives(me: in out; X: Vector; D: out Matrix) |
69 | ---Purpose: returns the values <D> of the derivatives for the |
70 | -- variable <X>. |
71 | -- Returns True if the computation was done successfully, |
72 | -- False otherwise. |
73 | returns Boolean from Standard; |
74 | |
75 | Values(me: in out; X: Vector; F: out Vector; D: out Matrix) |
76 | ---Purpose: returns the values <F> of the functions and the derivatives |
77 | -- <D> for the variable <X>. |
78 | -- Returns True if the computation was done successfully, |
79 | -- False otherwise. |
80 | returns Boolean from Standard; |
81 | |
82 | Set(me : in out; |
83 | SurfRef : HSurface from Adaptor3d; |
84 | RstRef : HCurve2d from Adaptor2d); |
85 | |
86 | Set(me: in out; Param: Real from Standard); |
87 | |
88 | Set(me: in out; First, Last: Real from Standard); |
89 | ---Purpose: Sets the bounds of the parametric interval on |
90 | -- the guide line. |
91 | -- This determines the derivatives in these values if the |
92 | -- function is not Cn. |
93 | |
94 | GetTolerance(me; Tolerance: out Vector from math; Tol: Real from Standard); |
95 | |
96 | GetBounds(me; InfBound,SupBound: out Vector from math); |
97 | |
98 | IsSolution(me: in out; Sol: Vector from math; Tol: Real from Standard) |
99 | returns Boolean from Standard; |
100 | |
101 | GetMinimalDistance(me) |
102 | ---Purpose: Returns the minimal Distance beetween two |
103 | -- extremitys of calculed sections. |
104 | returns Real from Standard |
105 | is redefined; |
106 | |
107 | --- TheFollowing methods are called only when |
108 | -- IsSolution returns Standard_True. |
109 | |
110 | PointOnS(me) |
111 | ---C++: return const& |
112 | returns Pnt from gp; |
113 | |
114 | PointOnRst(me) |
115 | ---C++: return const& |
116 | returns Pnt from gp; |
117 | |
118 | Pnt2dOnS(me) |
119 | ---Purpose: Returns U,V coordinates of the point on the surface. |
120 | ---C++: return const& |
121 | returns Pnt2d from gp; |
122 | |
123 | Pnt2dOnRst(me) |
124 | ---Purpose: Returns U,V coordinates of the point on the curve on |
125 | -- surface. |
126 | ---C++: return const& |
127 | returns Pnt2d from gp; |
128 | |
129 | ParameterOnRst(me) |
130 | ---Purpose: Returns parameter of the point on the curve. |
131 | returns Real from Standard; |
132 | |
133 | IsTangencyPoint(me) |
134 | returns Boolean from Standard; |
135 | |
136 | TangentOnS(me) |
137 | ---C++: return const& |
138 | returns Vec from gp; |
139 | |
140 | Tangent2dOnS(me) |
141 | ---C++: return const& |
142 | returns Vec2d from gp; |
143 | |
144 | TangentOnRst(me) |
145 | ---C++: return const& |
146 | returns Vec from gp; |
147 | |
148 | Tangent2dOnRst(me) |
149 | ---C++: return const& |
150 | returns Vec2d from gp; |
151 | |
152 | Decroch(me; |
153 | Sol : Vector from math; |
154 | NS,TgS : out Vec from gp) |
155 | ---Purpose: Enables implementation of a criterion of decrochage |
156 | -- specific to the function. |
157 | -- Warning: Can be called without previous call of issolution |
158 | -- but the values calculated can be senseless. |
159 | returns Boolean from Standard |
160 | is static; |
161 | |
162 | -- methodes hors template (en plus du create) |
163 | |
164 | Set(me : in out; |
165 | Radius : Real from Standard; |
166 | Choix : Integer from Standard) |
167 | is static; |
168 | |
169 | Set(me: in out; TypeSection: SectionShape from BlendFunc) |
170 | ---Purpose: Sets the type of section generation for the |
171 | -- approximations. |
172 | is static; |
173 | |
174 | Section(me : in out; |
175 | Param : Real from Standard; |
176 | U,V,W : Real from Standard; |
177 | Pdeb,Pfin : out Real from Standard; |
178 | C : out Circ from gp) |
179 | is static; |
180 | |
181 | -- Methods for the approximation |
182 | -- |
183 | IsRational(me) returns Boolean |
184 | ---Purpose: Returns if the section is rationnal |
185 | is static; |
186 | |
187 | GetSectionSize(me) returns Real |
188 | ---Purpose: Returns the length of the maximum section |
189 | is static; |
190 | |
191 | GetMinimalWeight(me; Weigths : out Array1OfReal from TColStd) |
192 | ---Purpose: Compute the minimal value of weight for each poles |
193 | -- of all sections. |
194 | is static; |
195 | |
196 | NbIntervals(me; S : Shape from GeomAbs) returns Integer |
197 | ---Purpose: Returns the number of intervals for continuity |
198 | -- <S>. May be one if Continuity(me) >= <S> |
199 | is static; |
200 | |
201 | Intervals(me; T : in out Array1OfReal from TColStd; |
202 | S : Shape from GeomAbs) |
203 | ---Purpose: Stores in <T> the parameters bounding the intervals |
204 | -- of continuity <S>. |
205 | -- The array must provide enough room to accomodate |
206 | -- for the parameters. i.e. T.Length() > NbIntervals() |
207 | is static; |
208 | |
209 | GetShape(me : in out; |
210 | NbPoles : out Integer from Standard; |
211 | NbKnots : out Integer from Standard; |
212 | Degree : out Integer from Standard; |
213 | NbPoles2d : out Integer from Standard) |
214 | is static; |
215 | |
216 | GetTolerance(me; |
217 | BoundTol, SurfTol, AngleTol : Real; |
218 | Tol3d : out Vector; |
219 | Tol1D : out Vector ) |
220 | ---Purpose: Returns the tolerance to reach in approximation |
221 | -- to respecte |
222 | -- BoundTol error at the Boundary |
223 | -- AngleTol tangent error at the Boundary |
224 | -- SurfTol error inside the surface. |
225 | is static; |
226 | |
227 | Knots(me: in out; TKnots: out Array1OfReal from TColStd) |
228 | is static; |
229 | |
230 | Mults(me: in out; TMults: out Array1OfInteger from TColStd) |
231 | is static; |
232 | |
233 | Section(me : in out ; |
234 | P : Point from Blend; |
235 | Poles : out Array1OfPnt from TColgp; |
236 | DPoles : out Array1OfVec from TColgp; |
237 | Poles2d : out Array1OfPnt2d from TColgp; |
238 | DPoles2d : out Array1OfVec2d from TColgp; |
239 | Weigths : out Array1OfReal from TColStd; |
240 | DWeigths : out Array1OfReal from TColStd) |
241 | ---Purpose: Used for the first and last section |
242 | returns Boolean from Standard |
243 | is static; |
244 | |
245 | Section(me: in out; P: Point from Blend; |
246 | Poles : out Array1OfPnt from TColgp; |
247 | DPoles : out Array1OfVec from TColgp; |
248 | D2Poles : out Array1OfVec from TColgp; |
249 | Poles2d : out Array1OfPnt2d from TColgp; |
250 | DPoles2d : out Array1OfVec2d from TColgp; |
251 | D2Poles2d : out Array1OfVec2d from TColgp; |
252 | Weigths : out Array1OfReal from TColStd; |
253 | DWeigths : out Array1OfReal from TColStd; |
254 | D2Weigths : out Array1OfReal from TColStd) |
255 | ---Purpose: Used for the first and last section |
256 | -- The method returns Standard_True if the derivatives |
257 | -- are computed, otherwise it returns Standard_False. |
258 | returns Boolean from Standard |
259 | is static; |
260 | |
261 | Section(me : in out ; |
262 | P : Point from Blend; |
263 | Poles : out Array1OfPnt from TColgp; |
264 | Poles2d : out Array1OfPnt2d from TColgp; |
265 | Weigths : out Array1OfReal from TColStd) |
266 | is static; |
267 | |
268 | Resolution(me; |
269 | IC2d : Integer from Standard; |
270 | Tol : Real from Standard; |
271 | TolU, TolV : out Real from Standard); |
272 | |
273 | fields |
274 | |
275 | surf : HSurface from Adaptor3d; |
276 | surfrst : HSurface from Adaptor3d; |
277 | rst : HCurve2d from Adaptor2d; |
278 | cons : CurveOnSurface from Adaptor3d; |
279 | guide : HCurve from Adaptor3d; |
280 | tguide : HCurve from Adaptor3d; |
281 | pts : Pnt from gp; |
282 | ptrst : Pnt from gp; |
283 | pt2ds : Pnt2d from gp; |
284 | pt2drst : Pnt2d from gp; |
285 | prmrst : Real from Standard; |
286 | istangent: Boolean from Standard; |
287 | tgs : Vec from gp; |
288 | tg2ds : Vec2d from gp; |
289 | tgrst : Vec from gp; |
290 | tg2drst : Vec2d from gp; |
291 | |
292 | ray : Real from Standard; |
293 | choix : Integer from Standard; |
294 | ptgui : Pnt from gp; |
295 | d1gui : Vec from gp; |
296 | d2gui : Vec from gp; |
297 | nplan : Vec from gp; |
298 | normtg : Real from Standard; |
299 | theD : Real from Standard; |
300 | |
301 | surfref : HSurface from Adaptor3d; |
302 | rstref : HCurve2d from Adaptor2d; |
303 | |
304 | maxang : Real from Standard; |
305 | minang : Real from Standard; |
306 | distmin : Real from Standard; |
307 | mySShape : SectionShape from BlendFunc; |
308 | myTConv : ParameterisationType from Convert; |
309 | |
310 | end SurfRstConstRad; |