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0026869: Documentation - simplify "Building with CMake and ADT on Android" article
[occt.git] / src / GeomAdaptor / GeomAdaptor_Surface.cxx
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b311480e 1// Created on: 1993-05-14
2// Created by: Joelle CHAUVET
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
17// Modified: Thu Nov 26 16:37:18 1998
7fd59977 18// correction in NbUIntervals for SurfaceOfLinearExtrusion
19// (PRO16346)
20
21#define No_Standard_RangeError
22#define No_Standard_OutOfRange
23#define PosTol (Precision::PConfusion()*0.5)
24
7fd59977 25
42cf5bc1 26#include <Adaptor3d_HCurve.hxx>
7fd59977 27#include <Adaptor3d_HSurface.hxx>
42cf5bc1 28#include <BSplCLib.hxx>
29#include <BSplSLib_Cache.hxx>
30#include <Geom_BezierSurface.hxx>
31#include <Geom_BSplineSurface.hxx>
32#include <Geom_Circle.hxx>
33#include <Geom_ConicalSurface.hxx>
34#include <Geom_Curve.hxx>
35#include <Geom_CylindricalSurface.hxx>
7fd59977 36#include <Geom_OffsetSurface.hxx>
7fd59977 37#include <Geom_Plane.hxx>
42cf5bc1 38#include <Geom_RectangularTrimmedSurface.hxx>
7fd59977 39#include <Geom_SphericalSurface.hxx>
42cf5bc1 40#include <Geom_Surface.hxx>
7fd59977 41#include <Geom_SurfaceOfLinearExtrusion.hxx>
42cf5bc1 42#include <Geom_SurfaceOfRevolution.hxx>
43#include <Geom_ToroidalSurface.hxx>
44#include <GeomAdaptor_Curve.hxx>
45#include <GeomAdaptor_HCurve.hxx>
46#include <GeomAdaptor_HSurface.hxx>
47#include <GeomAdaptor_Surface.hxx>
48#include <gp_Ax1.hxx>
7fd59977 49#include <gp_Circ.hxx>
42cf5bc1 50#include <gp_Cone.hxx>
51#include <gp_Cylinder.hxx>
52#include <gp_Dir.hxx>
7fd59977 53#include <gp_Lin.hxx>
42cf5bc1 54#include <gp_Pln.hxx>
55#include <gp_Pnt.hxx>
56#include <gp_Sphere.hxx>
57#include <gp_Torus.hxx>
7fd59977 58#include <gp_Trsf.hxx>
42cf5bc1 59#include <gp_Vec.hxx>
7fd59977 60#include <Precision.hxx>
42cf5bc1 61#include <Standard_ConstructionError.hxx>
62#include <Standard_DomainError.hxx>
7fd59977 63#include <Standard_NoSuchObject.hxx>
041bfce9 64#include <Standard_NullObject.hxx>
42cf5bc1 65#include <Standard_OutOfRange.hxx>
66#include <TColStd_Array1OfInteger.hxx>
67#include <TColStd_Array1OfReal.hxx>
68#include <TColStd_HArray1OfInteger.hxx>
7fd59977 69
42cf5bc1 70//#include <GeomConvert_BSplineSurfaceKnotSplitting.hxx>
c5f3a425 71#define myBspl Handle(Geom_BSplineSurface)::DownCast (mySurface)
72#define myExtSurf Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)
73#define myRevSurf Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)
74#define myOffSurf Handle(Geom_OffsetSurface)::DownCast (mySurface)
7fd59977 75
76//=======================================================================
77//function : LocalContinuity
78//purpose :
79//=======================================================================
80
81GeomAbs_Shape LocalContinuity(Standard_Integer Degree,
82 Standard_Integer Nb,
83 TColStd_Array1OfReal& TK,
84 TColStd_Array1OfInteger& TM,
85 Standard_Real PFirst,
86 Standard_Real PLast,
87 Standard_Boolean IsPeriodic)
88{
89 Standard_DomainError_Raise_if( (TK.Length()!=Nb || TM.Length()!=Nb )," ");
90 Standard_Integer Index1 = 0;
91 Standard_Integer Index2 = 0;
92 Standard_Real newFirst, newLast;
93 BSplCLib::LocateParameter(Degree,TK,TM,PFirst,IsPeriodic,1,Nb,Index1,newFirst);
94 BSplCLib::LocateParameter(Degree,TK,TM,PLast, IsPeriodic,1,Nb,Index2,newLast );
95 const Standard_Real EpsKnot = Precision::PConfusion();
96 if (Abs(newFirst-TK(Index1+1))< EpsKnot) Index1++;
97 if (Abs(newLast -TK(Index2 ))< EpsKnot) Index2--;
98 // attention aux courbes peridiques.
99 if ( (IsPeriodic) && (Index1 == Nb) )
100 Index1 = 1;
101
102 if (Index2!=Index1)
103 {
104 Standard_Integer i, Multmax = TM(Index1+1);
105 for (i = Index1+1; i<=Index2; i++) {
106 if (TM(i)>Multmax) Multmax=TM(i);
107 }
108 Multmax = Degree - Multmax;
109 if (Multmax <= 0) return GeomAbs_C0;
110 switch (Multmax) {
111 case 1: return GeomAbs_C1;
112 case 2: return GeomAbs_C2;
113 case 3: return GeomAbs_C3;
114 }
115 }
116 return GeomAbs_CN;
117}
118
119//=======================================================================
120//function : Load
121//purpose :
122//=======================================================================
123
041bfce9 124void GeomAdaptor_Surface::load(const Handle(Geom_Surface)& S,
7fd59977 125 const Standard_Real UFirst,
126 const Standard_Real ULast,
127 const Standard_Real VFirst,
128 const Standard_Real VLast,
129 const Standard_Real TolU,
130 const Standard_Real TolV)
131{
7fd59977 132 myTolU = TolU;
133 myTolV = TolV;
134 myUFirst = UFirst;
135 myULast = ULast;
136 myVFirst = VFirst;
137 myVLast = VLast;
138
139 if ( mySurface != S) {
140 mySurface = S;
141
142 const Handle(Standard_Type)& TheType = S->DynamicType();
143 if ( TheType == STANDARD_TYPE(Geom_BezierSurface))
144 mySurfaceType = GeomAbs_BezierSurface;
145 else if (TheType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
c5f3a425 146 Load(Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(),
94f71cad 147 UFirst,ULast,VFirst,VLast);
7fd59977 148 }
149 else if ( TheType == STANDARD_TYPE(Geom_Plane))
150 mySurfaceType = GeomAbs_Plane;
151 else if ( TheType == STANDARD_TYPE(Geom_CylindricalSurface))
152 mySurfaceType = GeomAbs_Cylinder;
153 else if ( TheType == STANDARD_TYPE(Geom_ConicalSurface))
154 mySurfaceType = GeomAbs_Cone;
155 else if ( TheType == STANDARD_TYPE(Geom_SphericalSurface))
156 mySurfaceType = GeomAbs_Sphere;
157 else if ( TheType == STANDARD_TYPE(Geom_ToroidalSurface))
158 mySurfaceType = GeomAbs_Torus;
159 else if ( TheType == STANDARD_TYPE(Geom_SurfaceOfRevolution))
160 mySurfaceType = GeomAbs_SurfaceOfRevolution;
161 else if ( TheType == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))
162 mySurfaceType = GeomAbs_SurfaceOfExtrusion;
163 else if ( TheType == STANDARD_TYPE(Geom_BSplineSurface)) {
164 mySurfaceType = GeomAbs_BSplineSurface;
c5f3a425 165 myBspl = Handle(Geom_BSplineSurface)::DownCast (mySurface);
94f71cad 166 // Create cache for B-spline
167 mySurfaceCache = new BSplSLib_Cache(
168 myBspl->UDegree(), myBspl->IsUPeriodic(), myBspl->UKnotSequence(),
169 myBspl->VDegree(), myBspl->IsVPeriodic(), myBspl->VKnotSequence(),
170 myBspl->Poles(), myBspl->Weights());
7fd59977 171 }
172 else if ( TheType == STANDARD_TYPE(Geom_OffsetSurface))
173 mySurfaceType = GeomAbs_OffsetSurface;
174 else
175 mySurfaceType = GeomAbs_OtherSurface;
176 }
177}
178
179// --
180// -- Global methods - Apply to the whole Surface.
181// --
182
183
184//=======================================================================
185//function : UContinuity
186//purpose :
187//=======================================================================
188
189GeomAbs_Shape GeomAdaptor_Surface::UContinuity() const
190{
191 switch (mySurfaceType)
192 {
193 case GeomAbs_BSplineSurface:
194 {
195 const Standard_Integer N = myBspl->NbUKnots();
196 TColStd_Array1OfReal TK(1,N);
197 TColStd_Array1OfInteger TM(1,N);
198 myBspl->UKnots(TK);
199 myBspl->UMultiplicities(TM);
200 return LocalContinuity(myBspl->UDegree(), myBspl->NbUKnots(), TK, TM,
201 myUFirst, myULast, IsUPeriodic());
202 }
566f8441 203 case GeomAbs_OffsetSurface:
7fd59977 204 {
205 switch(BasisSurface()->UContinuity())
206 {
566f8441 207 case GeomAbs_CN :
208 case GeomAbs_C3 : return GeomAbs_CN;
209 case GeomAbs_G2 :
210 case GeomAbs_C2 : return GeomAbs_C1;
211 case GeomAbs_G1 :
212 case GeomAbs_C1 : return GeomAbs_C0;
213 case GeomAbs_C0 : break;
7fd59977 214 }
215 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::UContinuity");
566f8441 216 break;
7fd59977 217 }
566f8441 218 case GeomAbs_SurfaceOfExtrusion:
7fd59977 219 {
220 GeomAdaptor_Curve GC
c5f3a425 221 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 222 return GC.Continuity();
223 }
566f8441 224 case GeomAbs_OtherSurface:
225 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::UContinuity");
226 case GeomAbs_Plane:
227 case GeomAbs_Cylinder:
228 case GeomAbs_Cone:
229 case GeomAbs_Sphere:
230 case GeomAbs_Torus:
231 case GeomAbs_BezierSurface:
232 case GeomAbs_SurfaceOfRevolution: break;
7fd59977 233 }
234 return GeomAbs_CN;
235}
236
237//=======================================================================
238//function : VContinuity
239//purpose :
240//=======================================================================
241
242GeomAbs_Shape GeomAdaptor_Surface::VContinuity() const
243{
244 switch (mySurfaceType)
245 {
246 case GeomAbs_BSplineSurface:
247 {
248 const Standard_Integer N = myBspl->NbVKnots();
249 TColStd_Array1OfReal TK(1,N);
250 TColStd_Array1OfInteger TM(1,N);
251 myBspl->VKnots(TK);
252 myBspl->VMultiplicities(TM);
253 return LocalContinuity(myBspl->VDegree(), myBspl->NbVKnots(), TK, TM,
254 myVFirst, myVLast, IsVPeriodic());
255 }
566f8441 256 case GeomAbs_OffsetSurface:
7fd59977 257 {
258 switch(BasisSurface()->VContinuity())
259 {
566f8441 260 case GeomAbs_CN :
261 case GeomAbs_C3 : return GeomAbs_CN;
262 case GeomAbs_G2 :
263 case GeomAbs_C2 : return GeomAbs_C1;
264 case GeomAbs_G1 :
265 case GeomAbs_C1 : return GeomAbs_C0;
266 case GeomAbs_C0 : break;
7fd59977 267 }
268 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::VContinuity");
269 break;
270 }
566f8441 271 case GeomAbs_SurfaceOfRevolution:
7fd59977 272 {
273 GeomAdaptor_Curve GC
c5f3a425 274 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myVFirst,myVLast);
7fd59977 275 return GC.Continuity();
276 }
566f8441 277 case GeomAbs_OtherSurface:
278 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::VContinuity");
279 case GeomAbs_Plane:
280 case GeomAbs_Cylinder:
281 case GeomAbs_Cone:
282 case GeomAbs_Sphere:
283 case GeomAbs_Torus:
284 case GeomAbs_BezierSurface:
285 case GeomAbs_SurfaceOfExtrusion: break;
7fd59977 286 }
287 return GeomAbs_CN;
288}
289
290//=======================================================================
291//function : NbUIntervals
292//purpose :
293//=======================================================================
294
295Standard_Integer GeomAdaptor_Surface::NbUIntervals(const GeomAbs_Shape S) const
296{
297 switch (mySurfaceType)
298 {
299 case GeomAbs_BSplineSurface:
300 {
301 GeomAdaptor_Curve myBasisCurve
302 (myBspl->VIso(myBspl->VKnot(myBspl->FirstVKnotIndex())),myUFirst,myULast);
303 return myBasisCurve.NbIntervals(S);
304 }
566f8441 305 case GeomAbs_SurfaceOfExtrusion:
7fd59977 306 {
307 GeomAdaptor_Curve myBasisCurve
c5f3a425 308 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 309 if (myBasisCurve.GetType() == GeomAbs_BSplineCurve)
310 return myBasisCurve.NbIntervals(S);
311 break;
312 }
566f8441 313 case GeomAbs_OffsetSurface:
7fd59977 314 {
315 GeomAbs_Shape BaseS = GeomAbs_CN;
316 switch(S)
317 {
318 case GeomAbs_G1:
319 case GeomAbs_G2: Standard_DomainError::Raise("GeomAdaptor_Curve::NbUIntervals");
320 case GeomAbs_C0: BaseS = GeomAbs_C1; break;
321 case GeomAbs_C1: BaseS = GeomAbs_C2; break;
322 case GeomAbs_C2: BaseS = GeomAbs_C3; break;
566f8441 323 case GeomAbs_C3:
324 case GeomAbs_CN: break;
7fd59977 325 }
c5f3a425 326 GeomAdaptor_Surface Sur(Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface());
7fd59977 327 return Sur.NbUIntervals(BaseS);
328 }
566f8441 329 case GeomAbs_Plane:
330 case GeomAbs_Cylinder:
331 case GeomAbs_Cone:
332 case GeomAbs_Sphere:
333 case GeomAbs_Torus:
334 case GeomAbs_BezierSurface:
335 case GeomAbs_OtherSurface:
336 case GeomAbs_SurfaceOfRevolution: break;
7fd59977 337 }
338 return 1;
339}
340
341//=======================================================================
342//function : NbVIntervals
343//purpose :
344//=======================================================================
345
346Standard_Integer GeomAdaptor_Surface::NbVIntervals(const GeomAbs_Shape S) const
347{
348 switch (mySurfaceType)
349 {
350 case GeomAbs_BSplineSurface:
351 {
352 GeomAdaptor_Curve myBasisCurve
353 (myBspl->UIso(myBspl->UKnot(myBspl->FirstUKnotIndex())),myVFirst,myVLast);
354 return myBasisCurve.NbIntervals(S);
355 }
566f8441 356 case GeomAbs_SurfaceOfRevolution:
7fd59977 357 {
358 GeomAdaptor_Curve myBasisCurve
c5f3a425 359 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myVFirst,myVLast);
7fd59977 360 if (myBasisCurve.GetType() == GeomAbs_BSplineCurve)
361 return myBasisCurve.NbIntervals(S);
362 break;
363 }
566f8441 364 case GeomAbs_OffsetSurface:
7fd59977 365 {
366 GeomAbs_Shape BaseS = GeomAbs_CN;
367 switch(S)
368 {
369 case GeomAbs_G1:
370 case GeomAbs_G2: Standard_DomainError::Raise("GeomAdaptor_Curve::NbVIntervals");
371 case GeomAbs_C0: BaseS = GeomAbs_C1; break;
372 case GeomAbs_C1: BaseS = GeomAbs_C2; break;
373 case GeomAbs_C2: BaseS = GeomAbs_C3; break;
566f8441 374 case GeomAbs_C3:
375 case GeomAbs_CN: break;
7fd59977 376 }
c5f3a425 377 GeomAdaptor_Surface Sur(Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface());
7fd59977 378 return Sur.NbVIntervals(BaseS);
566f8441 379 }
380 case GeomAbs_Plane:
381 case GeomAbs_Cylinder:
382 case GeomAbs_Cone:
383 case GeomAbs_Sphere:
384 case GeomAbs_Torus:
385 case GeomAbs_BezierSurface:
386 case GeomAbs_OtherSurface:
387 case GeomAbs_SurfaceOfExtrusion: break;
7fd59977 388 }
389 return 1;
390}
391
392//=======================================================================
393//function : UIntervals
394//purpose :
395//=======================================================================
396
397void GeomAdaptor_Surface::UIntervals(TColStd_Array1OfReal& T, const GeomAbs_Shape S) const
398{
399 Standard_Integer myNbUIntervals = 1;
400
401 switch (mySurfaceType)
402 {
403 case GeomAbs_BSplineSurface:
404 {
405 GeomAdaptor_Curve myBasisCurve
406 (myBspl->VIso(myBspl->VKnot(myBspl->FirstVKnotIndex())),myUFirst,myULast);
407 myNbUIntervals = myBasisCurve.NbIntervals(S);
408 myBasisCurve.Intervals(T,S);
409 break;
410 }
566f8441 411 case GeomAbs_SurfaceOfExtrusion:
7fd59977 412 {
413 GeomAdaptor_Curve myBasisCurve
c5f3a425 414 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 415 if (myBasisCurve.GetType() == GeomAbs_BSplineCurve)
416 {
417 myNbUIntervals = myBasisCurve.NbIntervals(S);
418 myBasisCurve.Intervals(T,S);
419 }
420 break;
421 }
566f8441 422 case GeomAbs_OffsetSurface:
7fd59977 423 {
424 GeomAbs_Shape BaseS = GeomAbs_CN;
425 switch(S)
426 {
427 case GeomAbs_G1:
428 case GeomAbs_G2: Standard_DomainError::Raise("GeomAdaptor_Curve::UIntervals");
429 case GeomAbs_C0: BaseS = GeomAbs_C1; break;
430 case GeomAbs_C1: BaseS = GeomAbs_C2; break;
431 case GeomAbs_C2: BaseS = GeomAbs_C3; break;
566f8441 432 case GeomAbs_C3:
433 case GeomAbs_CN: break;
7fd59977 434 }
c5f3a425 435 GeomAdaptor_Surface Sur(Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface());
7fd59977 436 myNbUIntervals = Sur.NbUIntervals(BaseS);
437 Sur.UIntervals(T, BaseS);
438 }
566f8441 439 case GeomAbs_Plane:
440 case GeomAbs_Cylinder:
441 case GeomAbs_Cone:
442 case GeomAbs_Sphere:
443 case GeomAbs_Torus:
444 case GeomAbs_BezierSurface:
445 case GeomAbs_OtherSurface:
446 case GeomAbs_SurfaceOfRevolution: break;
7fd59977 447 }
448
449 T(T.Lower()) = myUFirst;
450 T(T.Lower() + myNbUIntervals) = myULast;
451}
452
453//=======================================================================
454//function : VIntervals
455//purpose :
456//=======================================================================
457
458void GeomAdaptor_Surface::VIntervals(TColStd_Array1OfReal& T, const GeomAbs_Shape S) const
459{
460 Standard_Integer myNbVIntervals = 1;
461
462 switch (mySurfaceType)
463 {
464 case GeomAbs_BSplineSurface:
465 {
466 GeomAdaptor_Curve myBasisCurve
467 (myBspl->UIso(myBspl->UKnot(myBspl->FirstUKnotIndex())),myVFirst,myVLast);
468 myNbVIntervals = myBasisCurve.NbIntervals(S);
469 myBasisCurve.Intervals(T,S);
470 break;
471 }
566f8441 472 case GeomAbs_SurfaceOfRevolution:
7fd59977 473 {
474 GeomAdaptor_Curve myBasisCurve
c5f3a425 475 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myVFirst,myVLast);
7fd59977 476 if (myBasisCurve.GetType() == GeomAbs_BSplineCurve)
477 {
478 myNbVIntervals = myBasisCurve.NbIntervals(S);
479 myBasisCurve.Intervals(T,S);
480 }
481 break;
482 }
566f8441 483 case GeomAbs_OffsetSurface:
7fd59977 484 {
485 GeomAbs_Shape BaseS = GeomAbs_CN;
486 switch(S)
487 {
488 case GeomAbs_G1:
489 case GeomAbs_G2: Standard_DomainError::Raise("GeomAdaptor_Curve::VIntervals");
490 case GeomAbs_C0: BaseS = GeomAbs_C1; break;
491 case GeomAbs_C1: BaseS = GeomAbs_C2; break;
492 case GeomAbs_C2: BaseS = GeomAbs_C3; break;
566f8441 493 case GeomAbs_C3:
494 case GeomAbs_CN: break;
7fd59977 495 }
c5f3a425 496 GeomAdaptor_Surface Sur(Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface());
7fd59977 497 myNbVIntervals = Sur.NbVIntervals(BaseS);
498 Sur.VIntervals(T, BaseS);
499 }
566f8441 500 case GeomAbs_Plane:
501 case GeomAbs_Cylinder:
502 case GeomAbs_Cone:
503 case GeomAbs_Sphere:
504 case GeomAbs_Torus:
505 case GeomAbs_BezierSurface:
506 case GeomAbs_OtherSurface:
507 case GeomAbs_SurfaceOfExtrusion: break;
7fd59977 508 }
509
510 T(T.Lower()) = myVFirst;
511 T(T.Lower() + myNbVIntervals) = myVLast;
512}
513
514//=======================================================================
515//function : UTrim
516//purpose :
517//=======================================================================
518
519Handle(Adaptor3d_HSurface) GeomAdaptor_Surface::UTrim(const Standard_Real First,
520 const Standard_Real Last ,
521 const Standard_Real Tol ) const
522{
523 return Handle(GeomAdaptor_HSurface)
524 (new GeomAdaptor_HSurface(mySurface,First,Last,myVFirst,myVLast,Tol,myTolV));
525}
526
527//=======================================================================
528//function : VTrim
529//purpose :
530//=======================================================================
531
532Handle(Adaptor3d_HSurface) GeomAdaptor_Surface::VTrim(const Standard_Real First,
533 const Standard_Real Last ,
534 const Standard_Real Tol ) const
535{
536 return Handle(GeomAdaptor_HSurface)
537 (new GeomAdaptor_HSurface(mySurface,myUFirst,myULast,First,Last,myTolU,Tol));
538}
539
540//=======================================================================
541//function : IsUClosed
542//purpose :
543//=======================================================================
544
545Standard_Boolean GeomAdaptor_Surface::IsUClosed() const
546{
547 if (!mySurface->IsUClosed())
548 return Standard_False;
549
550 Standard_Real U1,U2,V1,V2;
551 mySurface->Bounds(U1,U2,V1,V2);
552 if (mySurface->IsUPeriodic())
553 return (Abs(Abs(U1-U2)-Abs(myUFirst-myULast))<Precision::PConfusion());
554
555 return ( Abs(U1-myUFirst)<Precision::PConfusion()
556 && Abs(U2-myULast )<Precision::PConfusion() );
557}
558
559//=======================================================================
560//function : IsVClosed
561//purpose :
562//=======================================================================
563
564Standard_Boolean GeomAdaptor_Surface::IsVClosed() const
565{
566 if (!mySurface->IsVClosed())
567 return Standard_False;
568
569 Standard_Real U1,U2,V1,V2;
570 mySurface->Bounds(U1,U2,V1,V2);
571 if (mySurface->IsVPeriodic())
572 return (Abs(Abs(V1-V2)-Abs(myVFirst-myVLast))<Precision::PConfusion());
573
574 return ( Abs(V1-myVFirst)<Precision::PConfusion()
575 && Abs(V2-myVLast )<Precision::PConfusion() );
576}
577
578//=======================================================================
579//function : IsUPeriodic
580//purpose :
581//=======================================================================
582
583Standard_Boolean GeomAdaptor_Surface::IsUPeriodic() const
584{
585 return (mySurface->IsUPeriodic());
586}
587
588//=======================================================================
589//function : UPeriod
590//purpose :
591//=======================================================================
592
593Standard_Real GeomAdaptor_Surface::UPeriod() const
594{
595 Standard_NoSuchObject_Raise_if(!IsUPeriodic()," ");
596 return mySurface->UPeriod();
597}
598
599//=======================================================================
600//function : IsVPeriodic
601//purpose :
602//=======================================================================
603
604Standard_Boolean GeomAdaptor_Surface::IsVPeriodic() const
605{
606 return (mySurface->IsVPeriodic());
607}
608
609//=======================================================================
610//function : VPeriod
611//purpose :
612//=======================================================================
613
614Standard_Real GeomAdaptor_Surface::VPeriod() const
615{
616 Standard_NoSuchObject_Raise_if(!IsVPeriodic()," ");
617 return mySurface->VPeriod();
618}
619
94f71cad 620//=======================================================================
621//function : RebuildCache
622//purpose :
623//=======================================================================
624void GeomAdaptor_Surface::RebuildCache(const Standard_Real theU,
625 const Standard_Real theV) const
626{
627 mySurfaceCache->BuildCache(theU, theV,
628 myBspl->UDegree(), myBspl->IsUPeriodic(), myBspl->UKnotSequence(),
629 myBspl->VDegree(), myBspl->IsVPeriodic(), myBspl->VKnotSequence(),
630 myBspl->Poles(), myBspl->Weights());
631}
632
7fd59977 633//=======================================================================
634//function : Value
635//purpose :
636//=======================================================================
637
638gp_Pnt GeomAdaptor_Surface::Value(const Standard_Real U,
639 const Standard_Real V) const
640{
94f71cad 641 if (mySurfaceType == GeomAbs_BSplineSurface && !mySurfaceCache.IsNull())
642 {
643 if (!mySurfaceCache->IsCacheValid(U, V))
644 RebuildCache(U, V);
645 gp_Pnt P;
646 mySurfaceCache->D0(U, V, P);
647 return P;
648 }
649
7fd59977 650 return mySurface->Value(U,V);
651}
652
653//=======================================================================
654//function : D0
655//purpose :
656//=======================================================================
657
658void GeomAdaptor_Surface::D0(const Standard_Real U,
659 const Standard_Real V, gp_Pnt& P) const
660{
94f71cad 661 if (mySurfaceType == GeomAbs_BSplineSurface && !mySurfaceCache.IsNull())
662 {
663 if (!mySurfaceCache->IsCacheValid(U, V))
664 RebuildCache(U, V);
665 mySurfaceCache->D0(U, V, P);
666 return;
667 }
668
7fd59977 669 mySurface->D0(U,V,P);
670}
671
672
673//=======================================================================
674//function : D1
675//purpose :
676//=======================================================================
677
678void GeomAdaptor_Surface::D1(const Standard_Real U,
679 const Standard_Real V,
94f71cad 680 gp_Pnt& P,
681 gp_Vec& D1U,
682 gp_Vec& D1V ) const
7fd59977 683{
94f71cad 684 Standard_Integer Ideb, Ifin, IVdeb, IVfin, USide=0, VSide=0;
7fd59977 685 Standard_Real u = U, v = V;
686 if (Abs(U-myUFirst) <= myTolU) {USide= 1; u = myUFirst;}
687 else if (Abs(U-myULast) <= myTolU) {USide= -1; u = myULast;}
688 if (Abs(V-myVFirst) <= myTolV) {VSide= 1; v = myVFirst;}
689 else if (Abs(V-myVLast) <= myTolV) {VSide= -1; v = myVLast;}
690
691 switch(mySurfaceType) {
94f71cad 692 case GeomAbs_BSplineSurface:
693 if ((USide != 0 || VSide != 0) &&
694 IfUVBound(u, v, Ideb, Ifin, IVdeb, IVfin, USide, VSide))
695 myBspl->LocalD1(u, v, Ideb, Ifin, IVdeb, IVfin, P, D1U, D1V);
696 else if (!mySurfaceCache.IsNull())
697 {
698 if (!mySurfaceCache->IsCacheValid(U, V))
699 RebuildCache(U, V);
700 mySurfaceCache->D1(U, V, P, D1U, D1V);
7fd59977 701 }
94f71cad 702 else
703 myBspl->D1(u, v, P, D1U, D1V);
704 break;
705
706 case GeomAbs_SurfaceOfExtrusion:
707 if (USide==0)
708 myExtSurf->D1(u, v, P, D1U, D1V);
709 else
710 myExtSurf->LocalD1(u, v, USide, P, D1U, D1V);
711 break;
712
713 case GeomAbs_SurfaceOfRevolution:
714 if (VSide==0)
715 myRevSurf->D1(u, v, P, D1U, D1V);
716 else
717 myRevSurf->LocalD1(u, v, VSide, P, D1U, D1V);
718 break;
719
720 case GeomAbs_OffsetSurface:
721 if (USide==0 && VSide==0)
722 myOffSurf->D1(u, v, P, D1U, D1V);
723 else
724 myOffSurf->LocalD1(u, v, USide, VSide, P, D1U, D1V);
725 break;
726 default:
727 mySurface->D1(u, v, P, D1U, D1V);
7fd59977 728 }
729}
730
731//=======================================================================
732//function : D2
733//purpose :
734//=======================================================================
735
736void GeomAdaptor_Surface::D2(const Standard_Real U,
94f71cad 737 const Standard_Real V,
738 gp_Pnt& P,
739 gp_Vec& D1U,
740 gp_Vec& D1V,
741 gp_Vec& D2U,
742 gp_Vec& D2V,
743 gp_Vec& D2UV) const
7fd59977 744{
94f71cad 745 Standard_Integer Ideb, Ifin, IVdeb, IVfin, USide=0, VSide=0;
7fd59977 746 Standard_Real u = U, v = V;
747 if (Abs(U-myUFirst) <= myTolU) {USide= 1; u = myUFirst;}
748 else if (Abs(U-myULast) <= myTolU) {USide= -1; u = myULast;}
749 if (Abs(V-myVFirst) <= myTolV) {VSide= 1; v = myVFirst;}
750 else if (Abs(V-myVLast) <= myTolV) {VSide= -1; v = myVLast;}
751
94f71cad 752 switch(mySurfaceType) {
753 case GeomAbs_BSplineSurface:
754 if((USide != 0 || VSide != 0) &&
755 IfUVBound(u, v, Ideb, Ifin, IVdeb, IVfin, USide, VSide))
756 myBspl->LocalD2(u, v, Ideb, Ifin, IVdeb, IVfin, P, D1U, D1V, D2U, D2V, D2UV);
757 else if (!mySurfaceCache.IsNull())
7fd59977 758 {
94f71cad 759 if (!mySurfaceCache->IsCacheValid(U, V))
760 RebuildCache(U, V);
761 mySurfaceCache->D2(U, V, P, D1U, D1V, D2U, D2V, D2UV);
762 }
763 else myBspl->D2(u,v,P,D1U,D1V,D2U,D2V,D2UV);
764 break;
765
766 case GeomAbs_SurfaceOfExtrusion :
767
768 if(USide==0) myExtSurf->D2(u,v,P,D1U,D1V,D2U,D2V,D2UV);
769 else myExtSurf->LocalD2(u,v,USide,P,D1U,D1V,D2U,D2V,D2UV);
770 break;
771
772 case GeomAbs_SurfaceOfRevolution :
773
774 if(VSide==0) myRevSurf->D2 (u, v, P,D1U,D1V,D2U,D2V,D2UV );
775 else myRevSurf->LocalD2 (u, v, VSide, P,D1U,D1V,D2U,D2V,D2UV );
776 break;
777
778 case GeomAbs_OffsetSurface :
779 {
780 if((USide==0)&&(VSide==0)) myOffSurf->D2 (u, v,P,D1U,D1V,D2U,D2V,D2UV );
781 else myOffSurf->LocalD2 (u, v, USide, VSide ,P,D1U,D1V,D2U,D2V,D2UV );
782 break;
7fd59977 783 }
94f71cad 784 default : { mySurface->D2(u,v,P,D1U,D1V,D2U,D2V,D2UV);
785 break;}
786 }
7fd59977 787}
788
789
790//=======================================================================
791//function : D3
792//purpose :
793//=======================================================================
794
795void GeomAdaptor_Surface::D3(const Standard_Real U, const Standard_Real V,
796 gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V,
797 gp_Vec& D2U, gp_Vec& D2V, gp_Vec& D2UV,
798 gp_Vec& D3U, gp_Vec& D3V, gp_Vec& D3UUV,
799 gp_Vec& D3UVV) const
800{
801 Standard_Integer Ideb,Ifin,IVdeb,IVfin,USide=0,VSide=0;
802 Standard_Real u = U, v = V;
803 if (Abs(U-myUFirst) <= myTolU) {USide= 1; u = myUFirst;}
804 else if (Abs(U-myULast) <= myTolU) {USide= -1; u = myULast;}
805 if (Abs(V-myVFirst) <= myTolV) {VSide= 1; v = myVFirst;}
806 else if (Abs(V-myVLast) <= myTolV) {VSide= -1; v = myVLast;}
807
808 switch(mySurfaceType) {
809 case GeomAbs_BSplineSurface:
810
811 if((USide==0)&&(VSide==0))
812 myBspl->D3(u,v,P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV);
813 else {
814 if(IfUVBound(u,v,Ideb,Ifin,IVdeb,IVfin,USide,VSide))
815 myBspl-> LocalD3 (u, v, Ideb, Ifin,IVdeb ,IVfin ,
816 P ,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV);
817 else
818 myBspl->D3(u,v,P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV);
819 }
820 break;
821
822 case GeomAbs_SurfaceOfExtrusion :
823
824 if(USide==0) myExtSurf->D3(u,v,P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV);
825 else myExtSurf->LocalD3(u,v,USide,P,D1U,D1V,D2U,D2V,D2UV,
826 D3U,D3V,D3UUV,D3UVV);
827 break;
828
829 case GeomAbs_SurfaceOfRevolution :
830
831 if(VSide==0) myRevSurf->D3 (u, v, P ,D1U,D1V,D2U,D2V,D2UV,
832 D3U,D3V,D3UUV,D3UVV);
833 else myRevSurf->LocalD3 (u, v, VSide, P,D1U,D1V,D2U,D2V,D2UV,
834 D3U,D3V,D3UUV,D3UVV );
835 break;
836
837 case GeomAbs_OffsetSurface :
838 {
839 if((USide==0)&&(VSide==0)) myOffSurf->D3 (u, v,P ,D1U,D1V,D2U,D2V,D2UV,
840 D3U,D3V,D3UUV,D3UVV);
841 else myOffSurf->LocalD3 (u, v, USide, VSide ,P ,D1U,D1V,D2U,D2V,D2UV,
842 D3U,D3V,D3UUV,D3UVV);
843 break;
844 }
845 default : { mySurface->D3(u,v,P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV);
846 break;}
847 }
848}
849
850//=======================================================================
851//function : DN
852//purpose :
853//=======================================================================
854
855gp_Vec GeomAdaptor_Surface::DN(const Standard_Real U,
856 const Standard_Real V,
857 const Standard_Integer Nu,
858 const Standard_Integer Nv) const
859{
860 Standard_Integer Ideb,Ifin,IVdeb,IVfin,USide=0,VSide=0;
861 Standard_Real u = U, v = V;
862 if (Abs(U-myUFirst) <= myTolU) {USide= 1; u = myUFirst;}
863 else if (Abs(U-myULast) <= myTolU) {USide= -1; u = myULast;}
864 if (Abs(V-myVFirst) <= myTolV) {VSide= 1; v = myVFirst;}
865 else if (Abs(V-myVLast) <= myTolV) {VSide= -1; v = myVLast;}
866
867 switch(mySurfaceType)
868 {
869 case GeomAbs_BSplineSurface:
870
871 if((USide==0)&&(VSide==0)) return myBspl->DN(u,v,Nu,Nv);
872 else {
873 if(IfUVBound(u,v,Ideb,Ifin,IVdeb,IVfin,USide,VSide))
874 return myBspl->LocalDN (u, v, Ideb, Ifin,IVdeb ,IVfin ,Nu,Nv );
875 else
876 return myBspl->DN(u,v,Nu,Nv);
877 }
878
879 case GeomAbs_SurfaceOfExtrusion:
880
881 if(USide==0) return myExtSurf-> DN (u, v,Nu,Nv );
882 else return myExtSurf->LocalDN (u, v, USide,Nu,Nv );
883
884 case GeomAbs_SurfaceOfRevolution:
885
886 if(VSide==0) return myRevSurf->DN (u, v, Nu, Nv );
887 else return myRevSurf->LocalDN (u, v,VSide, Nu, Nv );
888
889 case GeomAbs_OffsetSurface:
890
891 if((USide==0)&&(VSide==0)) return myOffSurf->DN (u, v, Nu, Nv );
892 else return myOffSurf->LocalDN (u, v, USide, VSide, Nu, Nv );
893
894 case GeomAbs_Plane:
895 case GeomAbs_Cylinder:
896 case GeomAbs_Cone:
897 case GeomAbs_Sphere:
898 case GeomAbs_Torus:
899 case GeomAbs_BezierSurface:
900 case GeomAbs_OtherSurface:
901 default:
902 break;
903 }
904
905 return mySurface->DN(u,v, Nu, Nv);
906}
907
908
909//=======================================================================
910//function : UResolution
911//purpose :
912//=======================================================================
913
914Standard_Real GeomAdaptor_Surface::UResolution(const Standard_Real R3d) const
915{
916 Standard_Real Res = 0.;
917
918 switch (mySurfaceType)
919 {
920 case GeomAbs_SurfaceOfExtrusion:
921 {
922 GeomAdaptor_Curve myBasisCurve
c5f3a425 923 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 924 return myBasisCurve.Resolution(R3d);
925 }
926 case GeomAbs_Torus:
927 {
a1eb3afd 928 Handle(Geom_ToroidalSurface) S (Handle(Geom_ToroidalSurface)::DownCast (mySurface));
7fd59977 929 const Standard_Real R = S->MajorRadius() + S->MinorRadius();
930 if(R>Precision::Confusion())
931 Res = R3d/(2.*R);
932 break;
933 }
934 case GeomAbs_Sphere:
935 {
a1eb3afd 936 Handle(Geom_SphericalSurface) S (Handle(Geom_SphericalSurface)::DownCast (mySurface));
7fd59977 937 const Standard_Real R = S->Radius();
938 if(R>Precision::Confusion())
939 Res = R3d/(2.*R);
940 break;
941 }
942 case GeomAbs_Cylinder:
943 {
a1eb3afd 944 Handle(Geom_CylindricalSurface) S (Handle(Geom_CylindricalSurface)::DownCast (mySurface));
7fd59977 945 const Standard_Real R = S->Radius();
946 if(R>Precision::Confusion())
947 Res = R3d/(2.*R);
948 break;
949 }
950 case GeomAbs_Cone:
951 {
952 if (myVLast - myVFirst > 1.e10) {
953 // Pas vraiment borne => resolution inconnue
954 return Precision::Parametric(R3d);
955 }
a1eb3afd 956 Handle(Geom_ConicalSurface) S (Handle(Geom_ConicalSurface)::DownCast (mySurface));
7fd59977 957 Handle(Geom_Curve) C = S->VIso(myVLast);
c5f3a425 958 const Standard_Real Rayon1 = Handle(Geom_Circle)::DownCast (C)->Radius();
7fd59977 959 C = S->VIso(myVFirst);
c5f3a425 960 const Standard_Real Rayon2 = Handle(Geom_Circle)::DownCast (C)->Radius();
7fd59977 961 const Standard_Real R = (Rayon1 > Rayon2)? Rayon1 : Rayon2;
962 return (R>Precision::Confusion()? (R3d / R) : 0.);
963 }
964 case GeomAbs_Plane:
965 {
966 return R3d;
967 }
968 case GeomAbs_BezierSurface:
969 {
970 Standard_Real Ures,Vres;
c5f3a425 971 Handle(Geom_BezierSurface)::DownCast (mySurface)->Resolution(R3d,Ures,Vres);
7fd59977 972 return Ures;
973 }
974 case GeomAbs_BSplineSurface:
975 {
976 Standard_Real Ures,Vres;
c5f3a425 977 Handle(Geom_BSplineSurface)::DownCast (mySurface)->Resolution(R3d,Ures,Vres);
7fd59977 978 return Ures;
979 }
980 case GeomAbs_OffsetSurface:
981 {
c5f3a425 982 Handle(Geom_Surface) base = Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface();
7fd59977 983 GeomAdaptor_Surface gabase(base,myUFirst,myULast,myVFirst,myVLast);
984 return gabase.UResolution(R3d);
985 }
986 default: return Precision::Parametric(R3d);
987 }
988
989 if ( Res <= 1.)
990 return 2.*ASin(Res);
991
c6541a0c 992 return 2.*M_PI;
7fd59977 993}
994
995//=======================================================================
996//function : VResolution
997//purpose :
998//=======================================================================
999
1000Standard_Real GeomAdaptor_Surface::VResolution(const Standard_Real R3d) const
1001{
1002 Standard_Real Res = 0.;
1003
1004 switch (mySurfaceType)
1005 {
1006 case GeomAbs_SurfaceOfRevolution:
1007 {
1008 GeomAdaptor_Curve myBasisCurve
c5f3a425 1009 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1010 return myBasisCurve.Resolution(R3d);
1011 }
1012 case GeomAbs_Torus:
1013 {
a1eb3afd 1014 Handle(Geom_ToroidalSurface) S (Handle(Geom_ToroidalSurface)::DownCast (mySurface));
7fd59977 1015 const Standard_Real R = S->MinorRadius();
1016 if(R>Precision::Confusion())
1017 Res = R3d/(2.*R);
1018 break;
1019 }
1020 case GeomAbs_Sphere:
1021 {
a1eb3afd 1022 Handle(Geom_SphericalSurface) S (Handle(Geom_SphericalSurface)::DownCast (mySurface));
7fd59977 1023 const Standard_Real R = S->Radius();
1024 if(R>Precision::Confusion())
1025 Res = R3d/(2.*R);
1026 break;
1027 }
1028 case GeomAbs_SurfaceOfExtrusion:
1029 case GeomAbs_Cylinder:
1030 case GeomAbs_Cone:
1031 case GeomAbs_Plane:
1032 {
1033 return R3d;
1034 }
1035 case GeomAbs_BezierSurface:
1036 {
1037 Standard_Real Ures,Vres;
c5f3a425 1038 Handle(Geom_BezierSurface)::DownCast (mySurface)->Resolution(R3d,Ures,Vres);
7fd59977 1039 return Vres;
1040 }
1041 case GeomAbs_BSplineSurface:
1042 {
1043 Standard_Real Ures,Vres;
c5f3a425 1044 Handle(Geom_BSplineSurface)::DownCast (mySurface)->Resolution(R3d,Ures,Vres);
7fd59977 1045 return Vres;
1046 }
1047 case GeomAbs_OffsetSurface:
1048 {
c5f3a425 1049 Handle(Geom_Surface) base = Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface();
7fd59977 1050 GeomAdaptor_Surface gabase(base,myUFirst,myULast,myVFirst,myVLast);
1051 return gabase.VResolution(R3d);
1052 }
1053 default: return Precision::Parametric(R3d);
1054 }
1055
1056 if ( Res <= 1.)
1057 return 2.*ASin(Res);
1058
c6541a0c 1059 return 2.*M_PI;
7fd59977 1060}
1061
1062//=======================================================================
1063//function : Plane
1064//purpose :
1065//=======================================================================
1066
1067gp_Pln GeomAdaptor_Surface::Plane() const
1068{
1069 if (mySurfaceType != GeomAbs_Plane)
1070 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Plane");
c5f3a425 1071 return Handle(Geom_Plane)::DownCast (mySurface)->Pln();
7fd59977 1072}
1073
1074//=======================================================================
1075//function : Cylinder
1076//purpose :
1077//=======================================================================
1078
1079gp_Cylinder GeomAdaptor_Surface::Cylinder() const
1080{
1081 if (mySurfaceType != GeomAbs_Cylinder)
1082 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Cylinder");
c5f3a425 1083 return Handle(Geom_CylindricalSurface)::DownCast (mySurface)->Cylinder();
7fd59977 1084}
1085
1086//=======================================================================
1087//function : Cone
1088//purpose :
1089//=======================================================================
1090
1091gp_Cone GeomAdaptor_Surface::Cone() const
1092{
1093 if (mySurfaceType != GeomAbs_Cone)
1094 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Cone");
c5f3a425 1095 return Handle(Geom_ConicalSurface)::DownCast (mySurface)->Cone();
7fd59977 1096}
1097
1098//=======================================================================
1099//function : Sphere
1100//purpose :
1101//=======================================================================
1102
1103gp_Sphere GeomAdaptor_Surface::Sphere() const
1104{
1105 if (mySurfaceType != GeomAbs_Sphere)
1106 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Sphere");
c5f3a425 1107 return Handle(Geom_SphericalSurface)::DownCast (mySurface)->Sphere();
7fd59977 1108}
1109
1110//=======================================================================
1111//function : Torus
1112//purpose :
1113//=======================================================================
1114
1115gp_Torus GeomAdaptor_Surface::Torus() const
1116{
1117 if (mySurfaceType != GeomAbs_Torus)
1118 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Torus");
c5f3a425 1119 return Handle(Geom_ToroidalSurface)::DownCast (mySurface)->Torus();
7fd59977 1120}
1121
1122//=======================================================================
1123//function : UDegree
1124//purpose :
1125//=======================================================================
1126
1127Standard_Integer GeomAdaptor_Surface::UDegree() const
1128{
1129 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1130 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->UDegree();
7fd59977 1131 if ( mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1132 return Handle(Geom_BezierSurface)::DownCast (mySurface)->UDegree();
7fd59977 1133 if ( mySurfaceType == GeomAbs_SurfaceOfExtrusion)
1134 {
1135 GeomAdaptor_Curve myBasisCurve
c5f3a425 1136 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1137 return myBasisCurve.Degree();
1138 }
1139 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::UDegree");
1140 return 0;
1141}
1142
1143//=======================================================================
1144//function : NbUPoles
1145//purpose :
1146//=======================================================================
1147
1148Standard_Integer GeomAdaptor_Surface::NbUPoles() const
1149{
1150 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1151 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->NbUPoles();
7fd59977 1152 if ( mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1153 return Handle(Geom_BezierSurface)::DownCast (mySurface)->NbUPoles();
7fd59977 1154 if ( mySurfaceType == GeomAbs_SurfaceOfExtrusion)
1155 {
1156 GeomAdaptor_Curve myBasisCurve
c5f3a425 1157 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1158 return myBasisCurve.NbPoles();
1159 }
1160 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::NbUPoles");
1161 return 0;
1162}
1163
1164//=======================================================================
1165//function : VDegree
1166//purpose :
1167//=======================================================================
1168
1169Standard_Integer GeomAdaptor_Surface::VDegree() const
1170{
1171 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1172 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->VDegree();
7fd59977 1173 if ( mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1174 return Handle(Geom_BezierSurface)::DownCast (mySurface)->VDegree();
7fd59977 1175 if ( mySurfaceType == GeomAbs_SurfaceOfRevolution)
1176 {
1177 GeomAdaptor_Curve myBasisCurve
c5f3a425 1178 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1179 return myBasisCurve.Degree();
1180 }
1181 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::VDegree");
1182 return 0;
1183}
1184
1185//=======================================================================
1186//function : NbVPoles
1187//purpose :
1188//=======================================================================
1189
1190Standard_Integer GeomAdaptor_Surface::NbVPoles() const
1191{
1192 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1193 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->NbVPoles();
7fd59977 1194 if ( mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1195 return Handle(Geom_BezierSurface)::DownCast (mySurface)->NbVPoles();
7fd59977 1196 if ( mySurfaceType == GeomAbs_SurfaceOfRevolution)
1197 {
1198 GeomAdaptor_Curve myBasisCurve
c5f3a425 1199 (Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1200 return myBasisCurve.NbPoles();
1201 }
1202 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::NbVPoles");
1203 return 0;
1204}
1205
1206//=======================================================================
1207//function : NbUKnots
1208//purpose :
1209//=======================================================================
1210
1211Standard_Integer GeomAdaptor_Surface::NbUKnots() const
1212{
1213 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1214 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->NbUKnots();
7fd59977 1215 if ( mySurfaceType == GeomAbs_SurfaceOfExtrusion)
1216 {
1217 GeomAdaptor_Curve myBasisCurve
c5f3a425 1218 (Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve(),myUFirst,myULast);
7fd59977 1219 return myBasisCurve.NbKnots();
1220 }
1221 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::NbUKnots");
1222 return 0;
1223}
1224
1225//=======================================================================
1226//function : NbVKnots
1227//purpose :
1228//=======================================================================
1229
1230Standard_Integer GeomAdaptor_Surface::NbVKnots() const
1231{
1232 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1233 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->NbVKnots();
7fd59977 1234 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::NbVKnots");
1235 return 0;
1236}
1237//=======================================================================
1238//function : IsURational
1239//purpose :
1240//=======================================================================
1241
1242Standard_Boolean GeomAdaptor_Surface::IsURational() const
1243{
1244 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1245 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->IsURational();
7fd59977 1246 if (mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1247 return Handle(Geom_BezierSurface)::DownCast (mySurface)->IsURational();
7fd59977 1248 return Standard_False;
1249}
1250
1251//=======================================================================
1252//function : IsVRational
1253//purpose :
1254//=======================================================================
1255
1256Standard_Boolean GeomAdaptor_Surface::IsVRational() const
1257{
1258 if (mySurfaceType == GeomAbs_BSplineSurface)
c5f3a425 1259 return Handle(Geom_BSplineSurface)::DownCast (mySurface)->IsVRational();
7fd59977 1260 if (mySurfaceType == GeomAbs_BezierSurface)
c5f3a425 1261 return Handle(Geom_BezierSurface)::DownCast (mySurface)->IsVRational();
7fd59977 1262 return Standard_False;
1263}
1264
1265//=======================================================================
1266//function : Bezier
1267//purpose :
1268//=======================================================================
1269
1270Handle(Geom_BezierSurface) GeomAdaptor_Surface::Bezier() const
1271{
1272 if (mySurfaceType != GeomAbs_BezierSurface)
1273 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Bezier");
c5f3a425 1274 return Handle(Geom_BezierSurface)::DownCast (mySurface);
7fd59977 1275}
1276
1277//=======================================================================
1278//function : BSpline
1279//purpose :
1280//=======================================================================
1281
1282Handle(Geom_BSplineSurface) GeomAdaptor_Surface::BSpline() const
1283{
1284 if (mySurfaceType != GeomAbs_BSplineSurface)
1285 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::BSpline");
c5f3a425 1286 return Handle(Geom_BSplineSurface)::DownCast (mySurface);
7fd59977 1287}
1288
1289//=======================================================================
1290//function : AxeOfRevolution
1291//purpose :
1292//=======================================================================
1293
1294gp_Ax1 GeomAdaptor_Surface::AxeOfRevolution() const
1295{
1296 if (mySurfaceType != GeomAbs_SurfaceOfRevolution)
1297 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::AxeOfRevolution");
c5f3a425 1298 return Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->Axis();
7fd59977 1299}
1300
1301//=======================================================================
1302//function : Direction
1303//purpose :
1304//=======================================================================
1305
1306gp_Dir GeomAdaptor_Surface::Direction() const
1307{
1308 if (mySurfaceType != GeomAbs_SurfaceOfExtrusion)
1309 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::Direction");
c5f3a425 1310 return Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->Direction();
7fd59977 1311}
1312
1313//=======================================================================
1314//function : BasisCurve
1315//purpose :
1316//=======================================================================
1317
1318Handle(Adaptor3d_HCurve) GeomAdaptor_Surface::BasisCurve() const
1319{
1320 Handle(Geom_Curve) C;
1321 if (mySurfaceType == GeomAbs_SurfaceOfExtrusion)
c5f3a425 1322 C = Handle(Geom_SurfaceOfLinearExtrusion)::DownCast (mySurface)->BasisCurve();
7fd59977 1323 else if (mySurfaceType == GeomAbs_SurfaceOfRevolution)
c5f3a425 1324 C = Handle(Geom_SurfaceOfRevolution)::DownCast (mySurface)->BasisCurve();
7fd59977 1325 else
1326 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::BasisCurve");
1327 return Handle(GeomAdaptor_HCurve)(new GeomAdaptor_HCurve(C));
1328}
1329
1330//=======================================================================
1331//function : BasisSurface
1332//purpose :
1333//=======================================================================
1334
1335Handle(Adaptor3d_HSurface) GeomAdaptor_Surface::BasisSurface() const
1336{
1337 if (mySurfaceType != GeomAbs_OffsetSurface)
1338 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::BasisSurface");
1339 return new GeomAdaptor_HSurface
c5f3a425 1340 (Handle(Geom_OffsetSurface)::DownCast (mySurface)->BasisSurface(),
7fd59977 1341 myUFirst,myULast,myVFirst,myVLast);
1342}
1343
1344//=======================================================================
1345//function : OffsetValue
1346//purpose :
1347//=======================================================================
1348
1349Standard_Real GeomAdaptor_Surface::OffsetValue() const
1350{
1351 if (mySurfaceType != GeomAbs_OffsetSurface)
1352 Standard_NoSuchObject::Raise("GeomAdaptor_Surface::BasisSurface");
c5f3a425 1353 return Handle(Geom_OffsetSurface)::DownCast (mySurface)->Offset();
7fd59977 1354}
1355
1356//=======================================================================
1357//function : IfUVBound <private>
1358//purpose : locates U,V parameters if U,V =First, Last,
1359// processes the finding span and returns the
1360// parameters for LocalDi
1361//=======================================================================
1362
1363Standard_Boolean GeomAdaptor_Surface::IfUVBound(const Standard_Real U,
1364 const Standard_Real V,
1365 Standard_Integer& IOutDeb,
1366 Standard_Integer& IOutFin,
1367 Standard_Integer& IOutVDeb,
1368 Standard_Integer& IOutVFin,
1369 const Standard_Integer USide,
1370 const Standard_Integer VSide) const
1371{
1372 Standard_Integer Ideb,Ifin;
470ebb43 1373 Standard_Integer anUFKIndx = myBspl->FirstUKnotIndex(),
1374 anULKIndx = myBspl->LastUKnotIndex(),
1375 aVFKIndx = myBspl->FirstVKnotIndex(), aVLKIndx = myBspl->LastVKnotIndex();
7fd59977 1376 myBspl->LocateU(U, PosTol, Ideb, Ifin, Standard_False);
1377 Standard_Boolean Local = (Ideb == Ifin);
470ebb43 1378 Span(USide,Ideb,Ifin,Ideb,Ifin,anUFKIndx,anULKIndx);
7fd59977 1379 Standard_Integer IVdeb,IVfin;
1380 myBspl->LocateV(V, PosTol, IVdeb, IVfin, Standard_False);
1381 if(IVdeb == IVfin) Local = Standard_True;
470ebb43 1382 Span(VSide,IVdeb,IVfin,IVdeb,IVfin,aVFKIndx,aVLKIndx);
7fd59977 1383
1384 IOutDeb=Ideb; IOutFin=Ifin;
1385 IOutVDeb=IVdeb; IOutVFin=IVfin;
1386
1387 return Local;
1388}
7fd59977 1389//=======================================================================
1390//function : Span <private>
1391//purpose : locates U,V parameters if U=UFirst or U=ULast,
1392// processes the finding span and returns the
1393// parameters for LocalDi
1394//=======================================================================
1395
1396void GeomAdaptor_Surface::Span(const Standard_Integer Side,
1397 const Standard_Integer Ideb,
1398 const Standard_Integer Ifin,
1399 Standard_Integer& OutIdeb,
1400 Standard_Integer& OutIfin,
470ebb43 1401 const Standard_Integer theFKIndx,
1402 const Standard_Integer theLKIndx) const
7fd59977 1403{
1404 if(Ideb!=Ifin)//not a knot
1405 {
470ebb43 1406 if(Ideb<theFKIndx) { OutIdeb=theFKIndx; OutIfin=theFKIndx+1; }
1407 else if(Ifin>theLKIndx) { OutIdeb=theLKIndx-1; OutIfin=theLKIndx; }
1408 else if(Ideb>=(theLKIndx-1)) { OutIdeb=theLKIndx-1; OutIfin=theLKIndx; }
1409 else if(Ifin<=theFKIndx+1) { OutIdeb=theFKIndx; OutIfin=theFKIndx+1; }
7fd59977 1410 else if(Ideb>Ifin) { OutIdeb=Ifin-1; OutIfin=Ifin; }
1411 else { OutIdeb=Ideb; OutIfin=Ifin; }
1412 }
1413 else
1414 {
470ebb43 1415 if(Ideb<=theFKIndx){ OutIdeb=theFKIndx; OutIfin=theFKIndx+1;}//first knot
1416 else if(Ifin>=theLKIndx) { OutIdeb=theLKIndx-1;OutIfin=theLKIndx;}//last knot
7fd59977 1417 else
1418 {
1419 if(Side==-1){OutIdeb=Ideb-1; OutIfin=Ifin;}
1420 else {OutIdeb=Ideb; OutIfin=Ifin+1;}
1421 }
1422 }
1423}
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