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b311480e | 1 | // Created on: 1993-04-21 |
2 | // Created by: Bruno DUMORTIER | |
3 | // Copyright (c) 1993-1999 Matra Datavision | |
973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 5 | // |
973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
b311480e | 7 | // |
d5f74e42 | 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 | |
973c2be1 | 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. | |
b311480e | 13 | // |
973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. | |
7fd59977 | 16 | |
6b84c3f7 | 17 | #include <GeomAdaptor_SurfaceOfRevolution.hxx> |
7fd59977 | 18 | |
42cf5bc1 | 19 | #include <Adaptor3d_HCurve.hxx> |
7fd59977 | 20 | #include <ElCLib.hxx> |
6b84c3f7 | 21 | #include <GeomAdaptor_HSurfaceOfRevolution.hxx> |
22 | #include <GeomEvaluator_SurfaceOfRevolution.hxx> | |
42cf5bc1 | 23 | #include <Standard_NoSuchObject.hxx> |
7fd59977 | 24 | |
25 | //======================================================================= | |
6b84c3f7 | 26 | //function : GeomAdaptor_SurfaceOfRevolution |
7fd59977 | 27 | //purpose : |
28 | //======================================================================= | |
6b84c3f7 | 29 | GeomAdaptor_SurfaceOfRevolution::GeomAdaptor_SurfaceOfRevolution() |
30 | : myHaveAxis(Standard_False) | |
7fd59977 | 31 | {} |
32 | ||
33 | //======================================================================= | |
6b84c3f7 | 34 | //function : GeomAdaptor_SurfaceOfRevolution |
7fd59977 | 35 | //purpose : |
36 | //======================================================================= | |
37 | ||
6b84c3f7 | 38 | GeomAdaptor_SurfaceOfRevolution::GeomAdaptor_SurfaceOfRevolution( |
39 | const Handle(Adaptor3d_HCurve)& C) | |
40 | : myHaveAxis(Standard_False) | |
7fd59977 | 41 | { |
6b84c3f7 | 42 | Load(C); |
7fd59977 | 43 | } |
44 | ||
45 | //======================================================================= | |
6b84c3f7 | 46 | //function : GeomAdaptor_SurfaceOfRevolution |
7fd59977 | 47 | //purpose : |
48 | //======================================================================= | |
49 | ||
6b84c3f7 | 50 | GeomAdaptor_SurfaceOfRevolution::GeomAdaptor_SurfaceOfRevolution( |
51 | const Handle(Adaptor3d_HCurve)& C, | |
52 | const gp_Ax1& V) | |
53 | : myHaveAxis(Standard_False) | |
7fd59977 | 54 | { |
6b84c3f7 | 55 | Load(C); |
56 | Load(V); | |
7fd59977 | 57 | } |
58 | ||
59 | //======================================================================= | |
60 | //function : Load | |
61 | //purpose : | |
62 | //======================================================================= | |
63 | ||
6b84c3f7 | 64 | void GeomAdaptor_SurfaceOfRevolution::Load(const Handle(Adaptor3d_HCurve)& C) |
7fd59977 | 65 | { |
66 | myBasisCurve = C; | |
6b84c3f7 | 67 | if (myHaveAxis) |
68 | Load(myAxis); // to evaluate the new myAxeRev. | |
7fd59977 | 69 | } |
70 | ||
71 | //======================================================================= | |
72 | //function : Load | |
73 | //purpose : | |
74 | //======================================================================= | |
75 | ||
6b84c3f7 | 76 | void GeomAdaptor_SurfaceOfRevolution::Load(const gp_Ax1& V) |
7fd59977 | 77 | { |
78 | myHaveAxis = Standard_True; | |
79 | myAxis = V; | |
6b84c3f7 | 80 | |
81 | mySurfaceType = GeomAbs_SurfaceOfRevolution; | |
82 | myNestedEvaluator = new GeomEvaluator_SurfaceOfRevolution(myBasisCurve, | |
83 | myAxis.Direction(), myAxis.Location()); | |
84 | ||
7fd59977 | 85 | // Eval myAxeRev : axe of revolution ( Determination de Ox). |
86 | gp_Pnt P,Q; | |
87 | gp_Pnt O = myAxis.Location(); | |
88 | gp_Dir Ox; | |
89 | gp_Dir Oz = myAxis.Direction(); | |
90 | Standard_Boolean yrev = Standard_False; | |
91 | if (myBasisCurve->GetType() == GeomAbs_Line) { | |
92 | if((myBasisCurve->Line().Direction()).Dot(Oz) < 0.){ | |
93 | yrev = Standard_True; | |
94 | Oz.Reverse(); | |
95 | } | |
96 | } | |
97 | ||
98 | if (myBasisCurve->GetType() == GeomAbs_Circle) { | |
99 | Q = P = (myBasisCurve->Circle()).Location(); | |
100 | } | |
101 | else { | |
102 | Standard_Real First = myBasisCurve->FirstParameter(); | |
103 | P = Value( 0., 0.);// ce qui ne veut pas dire grand chose | |
104 | if ( GetType() == GeomAbs_Cone) { | |
105 | if ( gp_Lin(myAxis).Distance(P) <= Precision::Confusion()) | |
6b84c3f7 | 106 | Q = ElCLib::Value(1.,myBasisCurve->Line()); |
7fd59977 | 107 | else |
6b84c3f7 | 108 | Q = P; |
7fd59977 | 109 | } |
110 | else if (Precision::IsInfinite(First)) | |
111 | Q = P; | |
112 | else | |
113 | Q = Value( 0., First); | |
114 | } | |
115 | ||
116 | gp_Dir DZ = myAxis.Direction(); | |
117 | O.SetXYZ( O.XYZ() + ( gp_Vec(O,P) * DZ) * DZ.XYZ()); | |
118 | if ( gp_Lin(myAxis).Distance(Q) > Precision::Confusion()) { | |
119 | Ox = gp_Dir(Q.XYZ() - O.XYZ()); | |
120 | } | |
121 | else { | |
122 | Standard_Real First = myBasisCurve->FirstParameter(); | |
123 | Standard_Real Last = myBasisCurve->LastParameter(); | |
124 | Standard_Integer Ratio = 1; | |
125 | Standard_Real Dist; | |
126 | gp_Pnt PP; | |
127 | do { | |
128 | PP = myBasisCurve->Value(First+(Last-First)/Ratio); | |
129 | Dist = gp_Lin(myAxis).Distance(PP); | |
130 | Ratio++; | |
131 | } | |
132 | while ( Dist < Precision::Confusion() && Ratio < 100); | |
133 | ||
134 | if ( Ratio >= 100 ) { | |
6b84c3f7 | 135 | Standard_ConstructionError::Raise("Adaptor3d_SurfaceOfRevolution : Axe and meridian are confused"); |
7fd59977 | 136 | } |
137 | Ox = ( (Oz^gp_Vec(PP.XYZ()-O.XYZ()))^Oz); | |
138 | } | |
139 | ||
140 | myAxeRev = gp_Ax3(O,Oz,Ox); | |
141 | ||
142 | if (yrev) { | |
143 | myAxeRev.YReverse(); | |
144 | } | |
145 | else if (myBasisCurve->GetType() == GeomAbs_Circle) { | |
146 | gp_Dir DC = (myBasisCurve->Circle()).Axis().Direction(); | |
147 | if ((Ox.Crossed(Oz)).Dot(DC) < 0.) myAxeRev.ZReverse(); | |
148 | } | |
149 | } | |
150 | ||
151 | //======================================================================= | |
152 | //function : AxeOfRevolution | |
153 | //purpose : | |
154 | //======================================================================= | |
155 | ||
6b84c3f7 | 156 | gp_Ax1 GeomAdaptor_SurfaceOfRevolution::AxeOfRevolution() const |
7fd59977 | 157 | { |
158 | return myAxis; | |
159 | } | |
160 | ||
161 | //======================================================================= | |
162 | //function : FirstUParameter | |
163 | //purpose : | |
164 | //======================================================================= | |
165 | ||
6b84c3f7 | 166 | Standard_Real GeomAdaptor_SurfaceOfRevolution::FirstUParameter() const |
7fd59977 | 167 | { |
168 | return 0.; | |
169 | } | |
170 | ||
171 | //======================================================================= | |
172 | //function : LastUParameter | |
173 | //purpose : | |
174 | //======================================================================= | |
175 | ||
6b84c3f7 | 176 | Standard_Real GeomAdaptor_SurfaceOfRevolution::LastUParameter() const |
7fd59977 | 177 | { |
c6541a0c | 178 | return 2*M_PI; |
7fd59977 | 179 | } |
180 | ||
181 | //======================================================================= | |
182 | //function : FirstVParameter | |
183 | //purpose : | |
184 | //======================================================================= | |
185 | ||
6b84c3f7 | 186 | Standard_Real GeomAdaptor_SurfaceOfRevolution::FirstVParameter() const |
7fd59977 | 187 | { |
188 | return myBasisCurve->FirstParameter(); | |
189 | } | |
190 | ||
191 | //======================================================================= | |
192 | //function : LastVParameter | |
193 | //purpose : | |
194 | //======================================================================= | |
195 | ||
6b84c3f7 | 196 | Standard_Real GeomAdaptor_SurfaceOfRevolution::LastVParameter() const |
7fd59977 | 197 | { |
198 | return myBasisCurve->LastParameter(); | |
199 | } | |
200 | ||
201 | //======================================================================= | |
202 | //function : UContinuity | |
203 | //purpose : | |
204 | //======================================================================= | |
205 | ||
6b84c3f7 | 206 | GeomAbs_Shape GeomAdaptor_SurfaceOfRevolution::UContinuity() const |
7fd59977 | 207 | { |
208 | return GeomAbs_CN; | |
209 | } | |
210 | ||
211 | //======================================================================= | |
212 | //function : VContinuity | |
213 | //purpose : | |
214 | //======================================================================= | |
215 | ||
6b84c3f7 | 216 | GeomAbs_Shape GeomAdaptor_SurfaceOfRevolution::VContinuity() const |
7fd59977 | 217 | { |
218 | return myBasisCurve->Continuity(); | |
219 | } | |
220 | ||
221 | //======================================================================= | |
222 | //function : NbUIntervals | |
223 | //purpose : | |
224 | //======================================================================= | |
225 | ||
6b84c3f7 | 226 | Standard_Integer GeomAdaptor_SurfaceOfRevolution::NbUIntervals(const GeomAbs_Shape ) const |
7fd59977 | 227 | { |
228 | return 1; | |
229 | } | |
230 | ||
231 | //======================================================================= | |
232 | //function : NbVIntervals | |
233 | //purpose : | |
234 | //======================================================================= | |
235 | ||
6b84c3f7 | 236 | Standard_Integer GeomAdaptor_SurfaceOfRevolution::NbVIntervals(const GeomAbs_Shape S) const |
7fd59977 | 237 | { |
238 | return myBasisCurve->NbIntervals(S); | |
239 | } | |
240 | ||
241 | //======================================================================= | |
242 | //function : UIntervals | |
243 | //purpose : | |
244 | //======================================================================= | |
245 | ||
6b84c3f7 | 246 | void GeomAdaptor_SurfaceOfRevolution::UIntervals(TColStd_Array1OfReal& T, |
247 | const GeomAbs_Shape ) const | |
7fd59977 | 248 | { |
249 | T(T.Lower() ) = 0.; | |
c6541a0c | 250 | T(T.Lower()+1) = 2*M_PI; |
7fd59977 | 251 | } |
252 | ||
253 | ||
254 | //======================================================================= | |
255 | //function : VIntervals | |
256 | //purpose : | |
257 | //======================================================================= | |
258 | ||
6b84c3f7 | 259 | void GeomAdaptor_SurfaceOfRevolution::VIntervals(TColStd_Array1OfReal& T, |
260 | const GeomAbs_Shape S) const | |
7fd59977 | 261 | { |
262 | myBasisCurve->Intervals(T,S); | |
263 | } | |
264 | ||
265 | ||
266 | //======================================================================= | |
267 | //function : UTrim | |
268 | //purpose : | |
269 | //======================================================================= | |
270 | ||
6b84c3f7 | 271 | Handle(Adaptor3d_HSurface) GeomAdaptor_SurfaceOfRevolution::UTrim |
7fd59977 | 272 | (const Standard_Real |
273 | #ifndef No_Exception | |
274 | First | |
275 | #endif | |
276 | ,const Standard_Real | |
277 | #ifndef No_Exception | |
278 | Last | |
279 | #endif | |
280 | ,const Standard_Real | |
7fd59977 | 281 | ) const |
282 | { | |
283 | #ifndef No_Exception | |
284 | Standard_Real Eps = Precision::PConfusion(); | |
285 | #endif | |
286 | Standard_OutOfRange_Raise_if | |
c6541a0c | 287 | ( Abs(First) > Eps || Abs(Last - 2.*M_PI) > Eps, |
6b84c3f7 | 288 | "GeomAdaptor_SurfaceOfRevolution : UTrim : Parameters out of range"); |
7fd59977 | 289 | |
6b84c3f7 | 290 | Handle(GeomAdaptor_HSurfaceOfRevolution) HR = new GeomAdaptor_HSurfaceOfRevolution( |
291 | GeomAdaptor_SurfaceOfRevolution(myBasisCurve, myAxis)); | |
7fd59977 | 292 | return HR; |
293 | } | |
294 | ||
295 | ||
296 | //======================================================================= | |
297 | //function : VTrim | |
298 | //purpose : | |
299 | //======================================================================= | |
300 | ||
6b84c3f7 | 301 | Handle(Adaptor3d_HSurface) GeomAdaptor_SurfaceOfRevolution::VTrim |
7fd59977 | 302 | (const Standard_Real First, |
303 | const Standard_Real Last, | |
304 | const Standard_Real Tol) const | |
305 | { | |
7fd59977 | 306 | Handle(Adaptor3d_HCurve) HC = BasisCurve()->Trim(First,Last,Tol); |
6b84c3f7 | 307 | Handle(GeomAdaptor_HSurfaceOfRevolution) HR = new GeomAdaptor_HSurfaceOfRevolution( |
308 | GeomAdaptor_SurfaceOfRevolution(HC, myAxis)); | |
7fd59977 | 309 | return HR; |
310 | } | |
311 | ||
312 | ||
313 | //======================================================================= | |
314 | //function : IsUClosed | |
315 | //purpose : | |
316 | //======================================================================= | |
317 | ||
6b84c3f7 | 318 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsUClosed() const |
7fd59977 | 319 | { |
320 | return Standard_True; | |
321 | } | |
322 | ||
323 | //======================================================================= | |
324 | //function : IsVClosed | |
325 | //purpose : | |
326 | //======================================================================= | |
327 | ||
6b84c3f7 | 328 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsVClosed() const |
7fd59977 | 329 | { |
330 | return myBasisCurve->IsClosed(); | |
331 | } | |
332 | ||
333 | //======================================================================= | |
334 | //function : IsUPeriodic | |
335 | //purpose : | |
336 | //======================================================================= | |
337 | ||
6b84c3f7 | 338 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsUPeriodic() const |
7fd59977 | 339 | { |
340 | return Standard_True; | |
341 | } | |
342 | ||
343 | //======================================================================= | |
344 | //function : UPeriod | |
345 | //purpose : | |
346 | //======================================================================= | |
347 | ||
6b84c3f7 | 348 | Standard_Real GeomAdaptor_SurfaceOfRevolution::UPeriod() const |
7fd59977 | 349 | { |
c6541a0c | 350 | return 2*M_PI; |
7fd59977 | 351 | } |
352 | ||
353 | //======================================================================= | |
354 | //function : IsVPeriodic | |
355 | //purpose : | |
356 | //======================================================================= | |
357 | ||
6b84c3f7 | 358 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsVPeriodic() const |
7fd59977 | 359 | { |
360 | return myBasisCurve->IsPeriodic(); | |
361 | } | |
362 | ||
363 | //======================================================================= | |
364 | //function : VPeriod | |
365 | //purpose : | |
366 | //======================================================================= | |
367 | ||
6b84c3f7 | 368 | Standard_Real GeomAdaptor_SurfaceOfRevolution::VPeriod() const |
7fd59977 | 369 | { |
370 | return myBasisCurve->Period(); | |
371 | } | |
372 | ||
7fd59977 | 373 | //======================================================================= |
374 | //function : UResolution | |
375 | //purpose : | |
376 | //======================================================================= | |
377 | ||
6b84c3f7 | 378 | Standard_Real GeomAdaptor_SurfaceOfRevolution::UResolution |
7fd59977 | 379 | (const Standard_Real R3d) const |
380 | { | |
381 | return Precision::Parametric(R3d); | |
382 | } | |
383 | ||
384 | //======================================================================= | |
385 | //function : VResolution | |
386 | //purpose : | |
387 | //======================================================================= | |
388 | ||
6b84c3f7 | 389 | Standard_Real GeomAdaptor_SurfaceOfRevolution::VResolution |
7fd59977 | 390 | (const Standard_Real R3d) const |
391 | { | |
392 | return myBasisCurve->Resolution(R3d); | |
393 | } | |
394 | ||
395 | //======================================================================= | |
396 | //function : GetType | |
397 | //purpose : | |
398 | //======================================================================= | |
399 | ||
6b84c3f7 | 400 | GeomAbs_SurfaceType GeomAdaptor_SurfaceOfRevolution::GetType() const |
7fd59977 | 401 | { |
6b84c3f7 | 402 | Standard_Real TolConf = Precision::Confusion(); |
403 | Standard_Real TolAng = Precision::Angular(); | |
404 | ||
405 | switch (myBasisCurve->GetType()) { | |
bd05fabf | 406 | case GeomAbs_Line: { |
53dda4e9 | 407 | gp_Ax1 Axe = myBasisCurve->Line().Position(); |
7fd59977 | 408 | |
6b84c3f7 | 409 | if (myAxis.IsParallel(Axe, TolAng)) |
410 | return GeomAbs_Cylinder; | |
411 | else if (myAxis.IsNormal(Axe, TolAng)) | |
412 | return GeomAbs_Plane; | |
413 | else | |
414 | { | |
bd05fabf S |
415 | Standard_Real uf = myBasisCurve->FirstParameter(); |
416 | Standard_Real ul = myBasisCurve->LastParameter(); | |
417 | Standard_Boolean istrim = (!Precision::IsInfinite(uf) && | |
6b84c3f7 | 418 | !Precision::IsInfinite(ul)); |
419 | if(istrim) | |
420 | { | |
421 | gp_Pnt pf = myBasisCurve->Value(uf); | |
422 | gp_Pnt pl = myBasisCurve->Value(ul); | |
423 | Standard_Real len = pf.Distance(pl); | |
424 | //on calcule la distance projetee sur l axe. | |
425 | gp_Vec vlin(pf,pl); | |
426 | gp_Vec vaxe(myAxis.Direction()); | |
427 | Standard_Real projlen = Abs(vaxe.Dot(vlin)); | |
428 | Standard_Real aTolConf = len*TolAng; | |
429 | if ((len - projlen) <= aTolConf) | |
430 | return GeomAbs_Cylinder; | |
431 | else if (projlen <= aTolConf) | |
432 | return GeomAbs_Plane; | |
7fd59977 | 433 | } |
6b84c3f7 | 434 | gp_Vec V(myAxis.Location(), myBasisCurve->Line().Location()); |
bd05fabf | 435 | gp_Vec W(Axe.Direction()); |
6b84c3f7 | 436 | if (Abs(V.DotCross(myAxis.Direction(), W)) <= TolConf) |
437 | return GeomAbs_Cone; | |
7fd59977 | 438 | } |
6b84c3f7 | 439 | break; |
bd05fabf | 440 | }//case GeomAbs_Line: |
6b84c3f7 | 441 | // |
bd05fabf | 442 | case GeomAbs_Circle: { |
bd05fabf S |
443 | Standard_Real MajorRadius, aR; |
444 | gp_Lin aLin(myAxis); | |
445 | // | |
53dda4e9 | 446 | gp_Circ C = myBasisCurve->Circle(); |
447 | const gp_Pnt& aLC = C.Location(); | |
bd05fabf S |
448 | aR=C.Radius(); |
449 | // | |
450 | ||
6b84c3f7 | 451 | if (!C.Position().IsCoplanar(myAxis, TolConf, TolAng)) |
452 | return GeomAbs_SurfaceOfRevolution; | |
453 | else if(aLin.Distance(aLC) <= TolConf) | |
454 | return GeomAbs_Sphere; | |
455 | else | |
456 | { | |
bd05fabf | 457 | MajorRadius = aLin.Distance(aLC); |
6b84c3f7 | 458 | if(MajorRadius > aR) |
459 | { | |
460 | Standard_Real aT = 0., aDx, dX; | |
461 | gp_Pnt aPx; | |
462 | ||
463 | aPx = ElCLib::Value(aT, C); | |
464 | aDx = aLin.Distance(aPx); | |
465 | dX = aDx - MajorRadius - aR; | |
466 | if (dX < 0.) | |
467 | dX = -dX; | |
468 | if (dX < TolConf) | |
469 | return GeomAbs_Torus; | |
bd05fabf | 470 | } |
bd05fabf | 471 | } |
6b84c3f7 | 472 | break; |
bd05fabf S |
473 | } |
474 | // | |
7fd59977 | 475 | default: |
bd05fabf | 476 | break; |
7fd59977 | 477 | } |
478 | ||
6b84c3f7 | 479 | return GeomAbs_SurfaceOfRevolution; |
7fd59977 | 480 | } |
481 | ||
482 | //======================================================================= | |
483 | //function : Plane | |
484 | //purpose : | |
485 | //======================================================================= | |
486 | ||
6b84c3f7 | 487 | gp_Pln GeomAdaptor_SurfaceOfRevolution::Plane() const |
7fd59977 | 488 | { |
489 | Standard_NoSuchObject_Raise_if | |
6b84c3f7 | 490 | (GetType() != GeomAbs_Plane, "GeomAdaptor_SurfaceOfRevolution:Plane"); |
7fd59977 | 491 | |
492 | gp_Ax3 Axe = myAxeRev; | |
6b84c3f7 | 493 | gp_Pnt aPonCurve = Value(0., 0.); |
494 | Standard_Real aDot = (aPonCurve.XYZ() - myAxis.Location().XYZ()).Dot(myAxis.Direction().XYZ()); | |
495 | ||
496 | gp_Pnt P(myAxis.Location().XYZ() + aDot * myAxis.Direction().XYZ()); | |
497 | Axe.SetLocation(P); | |
498 | if (Axe.XDirection().Dot(myBasisCurve->Line().Direction()) >= -Precision::Confusion()) | |
7fd59977 | 499 | Axe.XReverse(); |
7fd59977 | 500 | |
501 | return gp_Pln( Axe); | |
502 | } | |
503 | ||
504 | //======================================================================= | |
505 | //function : Cylinder | |
506 | //purpose : | |
507 | //======================================================================= | |
508 | ||
6b84c3f7 | 509 | gp_Cylinder GeomAdaptor_SurfaceOfRevolution::Cylinder() const |
7fd59977 | 510 | { |
511 | Standard_NoSuchObject_Raise_if | |
6b84c3f7 | 512 | (GetType() != GeomAbs_Cylinder, "GeomAdaptor_SurfaceOfRevolution::Cylinder"); |
7fd59977 | 513 | |
6b84c3f7 | 514 | gp_Pnt P = Value(0., 0.); |
515 | Standard_Real R = gp_Vec(myAxeRev.Location(), P) * myAxeRev.XDirection(); | |
516 | return gp_Cylinder(myAxeRev, R); | |
7fd59977 | 517 | } |
518 | ||
519 | //======================================================================= | |
520 | //function : Cone | |
521 | //purpose : | |
522 | //======================================================================= | |
523 | ||
6b84c3f7 | 524 | gp_Cone GeomAdaptor_SurfaceOfRevolution::Cone() const |
7fd59977 | 525 | { |
526 | Standard_NoSuchObject_Raise_if | |
6b84c3f7 | 527 | ( GetType() != GeomAbs_Cone, "GeomAdaptor_SurfaceOfRevolution:Cone"); |
7fd59977 | 528 | |
529 | gp_Ax3 Axe = myAxeRev; | |
530 | gp_Dir ldir = (myBasisCurve->Line()).Direction(); | |
531 | Standard_Real Angle = (Axe.Direction()).Angle(ldir); | |
532 | gp_Pnt P0 = Value(0., 0.); | |
533 | Standard_Real R = (Axe.Location()).Distance(P0); | |
534 | if ( R >= Precision::Confusion()) { | |
535 | gp_Pnt O = Axe.Location(); | |
536 | gp_Vec OP0(O,P0); | |
537 | Standard_Real t = OP0.Dot(Axe.XDirection()); | |
538 | t /= ldir.Dot(Axe.XDirection()); | |
539 | OP0.Add(-t * gp_Vec(ldir)); | |
540 | if ( OP0.Dot(Axe.Direction()) > 0.) Angle = -Angle; | |
541 | } | |
542 | return gp_Cone( Axe, Angle, R); | |
543 | } | |
544 | ||
545 | ||
546 | //======================================================================= | |
547 | //function : Sphere | |
548 | //purpose : | |
549 | //======================================================================= | |
550 | ||
6b84c3f7 | 551 | gp_Sphere GeomAdaptor_SurfaceOfRevolution::Sphere() const |
7fd59977 | 552 | { |
553 | Standard_NoSuchObject_Raise_if | |
6b84c3f7 | 554 | ( GetType() != GeomAbs_Sphere, "GeomAdaptor_SurfaceOfRevolution:Sphere"); |
7fd59977 | 555 | |
556 | gp_Circ C = myBasisCurve->Circle(); | |
557 | gp_Ax3 Axe = myAxeRev; | |
6b84c3f7 | 558 | Axe.SetLocation(C.Location()); |
559 | return gp_Sphere(Axe, C.Radius()); | |
7fd59977 | 560 | } |
561 | ||
562 | ||
563 | //======================================================================= | |
564 | //function : Torus | |
565 | //purpose : | |
566 | //======================================================================= | |
567 | ||
6b84c3f7 | 568 | gp_Torus GeomAdaptor_SurfaceOfRevolution::Torus() const |
7fd59977 | 569 | { |
570 | Standard_NoSuchObject_Raise_if | |
6b84c3f7 | 571 | (GetType() != GeomAbs_Torus, "GeomAdaptor_SurfaceOfRevolution:Torus"); |
7fd59977 | 572 | |
573 | gp_Circ C = myBasisCurve->Circle(); | |
574 | Standard_Real MajorRadius = gp_Lin(myAxis).Distance(C.Location()); | |
6b84c3f7 | 575 | return gp_Torus(myAxeRev, MajorRadius, C.Radius()); |
7fd59977 | 576 | } |
577 | ||
578 | //======================================================================= | |
579 | //function : VDegree | |
580 | //purpose : | |
581 | //======================================================================= | |
582 | ||
6b84c3f7 | 583 | Standard_Integer GeomAdaptor_SurfaceOfRevolution::VDegree() const |
7fd59977 | 584 | { |
585 | return myBasisCurve->Degree(); | |
586 | } | |
587 | ||
588 | //======================================================================= | |
589 | //function : NbVPoles | |
590 | //purpose : | |
591 | //======================================================================= | |
592 | ||
6b84c3f7 | 593 | Standard_Integer GeomAdaptor_SurfaceOfRevolution::NbVPoles() const |
7fd59977 | 594 | { |
6b84c3f7 | 595 | return myBasisCurve->NbPoles(); |
7fd59977 | 596 | } |
597 | ||
7fd59977 | 598 | //======================================================================= |
599 | //function : NbVKnots | |
600 | //purpose : | |
601 | //======================================================================= | |
602 | ||
6b84c3f7 | 603 | Standard_Integer GeomAdaptor_SurfaceOfRevolution::NbVKnots() const |
7fd59977 | 604 | { |
6b84c3f7 | 605 | Standard_NoSuchObject::Raise("GeomAdaptor_SurfaceOfRevolution::NbVKnots"); |
7fd59977 | 606 | return 0; |
607 | } | |
608 | ||
609 | ||
610 | ||
611 | //======================================================================= | |
612 | //function : IsURational | |
613 | //purpose : | |
614 | //======================================================================= | |
615 | ||
6b84c3f7 | 616 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsURational() const |
7fd59977 | 617 | { |
6b84c3f7 | 618 | Standard_NoSuchObject::Raise("GeomAdaptor_SurfaceOfRevolution::IsURational"); |
7fd59977 | 619 | return Standard_False; |
620 | } | |
621 | ||
622 | //======================================================================= | |
623 | //function : IsVRational | |
624 | //purpose : | |
625 | //======================================================================= | |
626 | ||
6b84c3f7 | 627 | Standard_Boolean GeomAdaptor_SurfaceOfRevolution::IsVRational() const |
7fd59977 | 628 | { |
6b84c3f7 | 629 | Standard_NoSuchObject::Raise("GeomAdaptor_SurfaceOfRevolution::IsVRational"); |
7fd59977 | 630 | return Standard_False; |
631 | } | |
632 | ||
633 | ||
634 | //======================================================================= | |
635 | //function : Bezier | |
636 | //purpose : | |
637 | //======================================================================= | |
638 | ||
6b84c3f7 | 639 | Handle(Geom_BezierSurface) GeomAdaptor_SurfaceOfRevolution::Bezier() const |
7fd59977 | 640 | { |
6b84c3f7 | 641 | Standard_NoSuchObject::Raise("GeomAdaptor_SurfaceOfRevolution::Bezier"); |
642 | return Handle(Geom_BezierSurface)(); | |
7fd59977 | 643 | } |
644 | ||
645 | ||
646 | //======================================================================= | |
647 | //function : BSpline | |
648 | //purpose : | |
649 | //======================================================================= | |
650 | ||
6b84c3f7 | 651 | Handle(Geom_BSplineSurface) GeomAdaptor_SurfaceOfRevolution::BSpline() const |
7fd59977 | 652 | { |
6b84c3f7 | 653 | Standard_NoSuchObject::Raise("GeomAdaptor_SurfaceOfRevolution::BSpline"); |
654 | return Handle(Geom_BSplineSurface)(); | |
7fd59977 | 655 | } |
656 | ||
7fd59977 | 657 | //======================================================================= |
658 | //function : Axis | |
659 | //purpose : | |
660 | //======================================================================= | |
661 | ||
6b84c3f7 | 662 | const gp_Ax3& GeomAdaptor_SurfaceOfRevolution::Axis() const |
7fd59977 | 663 | { |
664 | return myAxeRev; | |
665 | } | |
666 | ||
7fd59977 | 667 | //======================================================================= |
668 | //function : BasisCurve | |
669 | //purpose : | |
670 | //======================================================================= | |
671 | ||
6b84c3f7 | 672 | Handle(Adaptor3d_HCurve) GeomAdaptor_SurfaceOfRevolution::BasisCurve() const |
7fd59977 | 673 | { |
674 | return myBasisCurve; | |
675 | } |