1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
|
-- File: GeomAdaptor_Surface.cdl
-- Created: Fri May 14 15:08:27 1993
-- Author: Bruno DUMORTIER
---Copyright: Matra Datavision 1993
class Surface from GeomAdaptor inherits Surface from Adaptor3d
---Purpose: An interface between the services provided by any
-- surface from the package Geom and those required
-- of the surface by algorithms which use it.
uses
Pnt from gp,
Vec from gp,
Dir from gp,
Pln from gp,
Cone from gp,
Cylinder from gp,
Sphere from gp,
Torus from gp,
Ax1 from gp,
Array1OfReal from TColStd,
Surface from Geom,
BezierSurface from Geom,
BSplineSurface from Geom,
SurfaceType from GeomAbs,
Shape from GeomAbs,
Curve from GeomAdaptor,
HCurve from Adaptor3d,
HSurface from Adaptor3d
raises
NoSuchObject from Standard,
OutOfRange from Standard,
ConstructionError from Standard,
DomainError from Standard
is
Create returns Surface from GeomAdaptor;
---C++: inline
Create( S : Surface from Geom) returns Surface from GeomAdaptor;
---C++: inline
Create( S : Surface from Geom; UFirst,ULast,VFirst,VLast : Real;
TolU : Real = 0.0;
TolV : Real = 0.0)
returns Surface from GeomAdaptor
raises ConstructionError from Standard;
---Purpose: ConstructionError is raised if UFirst>ULast or VFirst>VLast
---C++: inline
Load(me : in out; S : Surface from Geom);
---C++: inline
Load(me : in out; S : Surface from Geom;
UFirst,ULast,VFirst,VLast : Real;
TolU : Real = 0.0;
TolV : Real = 0.0)
raises ConstructionError from Standard;
---Purpose: ConstructionError is raised if UFirst>ULast or VFirst>VLast
Surface(me) returns Surface from Geom
---C++: return const&
---C++: inline
is static;
--
-- Global methods - Apply to the whole surface.
--
FirstUParameter(me) returns Real
---C++:inline
is redefined static;
LastUParameter(me) returns Real
---C++:inline
is redefined static;
FirstVParameter(me) returns Real
---C++:inline
is redefined static;
LastVParameter(me) returns Real
---C++:inline
is redefined static;
UContinuity(me) returns Shape from GeomAbs
is redefined static;
VContinuity(me) returns Shape from GeomAbs
is redefined static;
NbUIntervals(me; S : Shape from GeomAbs) returns Integer
---Purpose: Returns the number of U intervals for continuity
-- <S>. May be one if UContinuity(me) >= <S>
is redefined static;
NbVIntervals(me; S : Shape from GeomAbs) returns Integer
---Purpose: Returns the number of V intervals for continuity
-- <S>. May be one if VContinuity(me) >= <S>
is redefined static;
UIntervals(me; T : in out Array1OfReal from TColStd;
S : Shape from GeomAbs )
---Purpose: Returns the intervals with the requested continuity
-- in the U direction.
raises
OutOfRange from Standard -- if the Length of the array does
-- have enought slots to accomodate
-- the result.
is redefined static;
VIntervals(me; T : in out Array1OfReal from TColStd;
S : Shape from GeomAbs )
---Purpose: Returns the intervals with the requested continuity
-- in the V direction.
raises
OutOfRange from Standard -- if the Length of the array does
-- have enought slots to accomodate
-- the result.
is redefined static;
UTrim(me; First, Last, Tol : Real) returns HSurface from Adaptor3d
---Purpose: Returns a surface trimmed in the U direction
-- equivalent of <me> between
-- parameters <First> and <Last>. <Tol> is used to
-- test for 3d points confusion.
raises
OutOfRange from Standard
---Purpose: If <First> >= <Last>
is redefined static ;
VTrim(me; First, Last, Tol : Real) returns HSurface from Adaptor3d
---Purpose: Returns a surface trimmed in the V direction between
-- parameters <First> and <Last>. <Tol> is used to
-- test for 3d points confusion.
raises
OutOfRange from Standard
---Purpose: If <First> >= <Last>
is redefined static ;
IsUClosed(me) returns Boolean
is redefined static;
IsVClosed(me) returns Boolean
is redefined static;
IsUPeriodic(me) returns Boolean
is redefined static;
UPeriod(me) returns Real
raises
DomainError from Standard -- if the curve is not periodic
is redefined static;
IsVPeriodic(me) returns Boolean
is redefined static;
VPeriod(me) returns Real
raises
DomainError from Standard -- if the curve is not periodic
is redefined static;
Value (me; U, V : Real) returns Pnt from gp
--- Purpose : Computes the point of parameters U,V on the surface.
is redefined static;
D0 (me; U, V : Real;
P : out Pnt from gp)
--- Purpose : Computes the point of parameters U,V on the surface.
is redefined static;
D1 (me; U, V : Real;
P : out Pnt from gp;
D1U, D1V : out Vec from gp)
--- Purpose : Computes the point and the first derivatives on
-- the surface.
--
-- Warning : On the specific case of BSplineSurface:
-- if the surface is cut in interval of continuity at least C1,
-- the derivatives are computed on the current interval.
-- else the derivatives are computed on the basis surface.
is redefined static;
D2 (me; U, V : Real;
P : out Pnt from gp;
D1U, D1V : out Vec from gp;
D2U, D2V : out Vec from gp;
D2UV : out Vec from gp)
--- Purpose : Computes the point, the first and second
-- derivatives on the surface.
--
-- Warning : On the specific case of BSplineSurface:
-- if the surface is cut in interval of continuity at least C2,
-- the derivatives are computed on the current interval.
-- else the derivatives are computed on the basis surface.
is redefined static;
D3 (me; U, V : Real;
P : out Pnt from gp;
D1U, D1V : out Vec from gp;
D2U, D2V : out Vec from gp;
D2UV : out Vec from gp;
D3U, D3V : out Vec from gp;
D3UUV, D3UVV : out Vec from gp)
--- Purpose : Computes the point, the first, second and third
-- derivatives on the surface.
--
-- Warning : On the specific case of BSplineSurface:
-- if the surface is cut in interval of continuity at least C3,
-- the derivatives are computed on the current interval.
-- else the derivatives are computed on the basis surface.
is redefined static;
DN (me; U, V : Real; Nu, Nv : Integer)
returns Vec from gp
--- Purpose : Computes the derivative of order Nu in the
-- direction U and Nv in the direction V at the point P(U, V).
--
-- Warning : On the specific case of BSplineSurface:
-- if the surface is cut in interval of continuity CN,
-- the derivatives are computed on the current interval.
-- else the derivatives are computed on the basis surface.
raises
OutOfRange from Standard
--- Purpose : Raised if Nu + Nv < 1 or Nu < 0 or Nv < 0.
is redefined static;
UResolution(me; R3d : Real ) returns Real
---Purpose : Returns the parametric U resolution corresponding
-- to the real space resolution <R3d>.
is redefined static;
VResolution(me; R3d : Real ) returns Real
---Purpose : Returns the parametric V resolution corresponding
-- to the real space resolution <R3d>.
is redefined static;
GetType(me) returns SurfaceType from GeomAbs
---Purpose: Returns the type of the surface : Plane, Cylinder,
-- Cone, Sphere, Torus, BezierSurface,
-- BSplineSurface, SurfaceOfRevolution,
-- SurfaceOfExtrusion, OtherSurface
---C++:inline
is redefined static;
--
-- The following methods must be called when GetType returned
-- the corresponding type.
--
Plane(me) returns Pln from gp
raises NoSuchObject from Standard
is redefined static;
Cylinder(me) returns Cylinder from gp
raises NoSuchObject from Standard
is redefined static;
Cone(me) returns Cone from gp
raises NoSuchObject from Standard
is redefined static;
Sphere(me) returns Sphere from gp
raises NoSuchObject from Standard
is redefined static;
Torus(me) returns Torus from gp
raises NoSuchObject from Standard
is redefined static;
UDegree(me) returns Integer
raises NoSuchObject from Standard
is redefined static;
NbUPoles(me) returns Integer
raises NoSuchObject from Standard
is redefined static;
VDegree(me) returns Integer
raises NoSuchObject from Standard
is redefined static;
NbVPoles(me) returns Integer
raises NoSuchObject from Standard
is redefined static;
NbUKnots(me) returns Integer
raises
NoSuchObject from Standard
is redefined static;
NbVKnots(me) returns Integer
raises
NoSuchObject from Standard
is redefined static;
IsURational(me) returns Boolean
raises
NoSuchObject from Standard
is redefined static;
IsVRational(me) returns Boolean
raises
NoSuchObject from Standard
is redefined static;
Bezier(me) returns BezierSurface from Geom
---Purpose: This will NOT make a copy of the
-- Bezier Surface : If you want to modify
-- the Surface please make a copy yourself
-- Also it will NOT trim the surface to
-- myU/VFirst/Last.
raises
NoSuchObject from Standard
is redefined static;
BSpline(me) returns BSplineSurface from Geom
---Purpose: This will NOT make a copy of the
-- BSpline Surface : If you want to modify
-- the Surface please make a copy yourself
-- Also it will NOT trim the surface to
-- myU/VFirst/Last.
raises
NoSuchObject from Standard
is redefined static;
AxeOfRevolution(me) returns Ax1 from gp
raises
NoSuchObject from Standard -- only for SurfaceOfRevolution
is redefined static;
Direction(me) returns Dir from gp
raises
NoSuchObject from Standard -- only for SurfaceOfExtrusion
is redefined static;
BasisCurve(me) returns HCurve from Adaptor3d
raises
NoSuchObject from Standard -- only for SurfaceOfExtrusion
is redefined static;
BasisSurface(me) returns HSurface from Adaptor3d
raises
NoSuchObject from Standard -- only for Offset Surface
is redefined static;
OffsetValue(me) returns Real from Standard
raises
NoSuchObject from Standard -- only for Offset Surface
is redefined static;
Span (me;Side :Integer; Ideb,Ifin:Integer;
OutIdeb,OutIfin:out Integer;
NbKnots : Integer )
is private;
IfUVBound (me;U,V :Real;Ideb,Ifin,IVdeb,IVfin :out Integer;
USide,VSide: Integer)
returns Boolean from Standard
is private;
fields
mySurface : Surface from Geom;
mySurfaceType : SurfaceType from GeomAbs;
myUFirst : Real from Standard;
myULast : Real from Standard;
myVFirst : Real from Standard;
myVLast : Real from Standard;
myTolU, myTolV : Real from Standard;
end Surface;
|
