0023957: Provide CMakeLists.txt file in root folder of OCCT
[occt.git] / src / IGESToBRep / IGESToBRep_TopoSurface.cxx
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b311480e 1// Copyright (c) 1999-2012 OPEN CASCADE SAS
2//
3// The content of this file is subject to the Open CASCADE Technology Public
4// License Version 6.5 (the "License"). You may not use the content of this file
5// except in compliance with the License. Please obtain a copy of the License
6// at http://www.opencascade.org and read it completely before using this file.
7//
8// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
9// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
10//
11// The Original Code and all software distributed under the License is
12// distributed on an "AS IS" basis, without warranty of any kind, and the
13// Initial Developer hereby disclaims all such warranties, including without
14// limitation, any warranties of merchantability, fitness for a particular
15// purpose or non-infringement. Please see the License for the specific terms
16// and conditions governing the rights and limitations under the License.
17
7fd59977 18//=======================================================================
7fd59977 19//modified:
20// Integration to ensure SCCS base integrity
21// 21.12.98 rln, gka S4054
22// 28.12.98 dce S3767 New messaging system
23//#55,#56 rln 25.12.98 UKI60878
24//:l1 abv 10.01.99: USA60022 7289: fix missing seam
25//#63 rln 19.01.99 UKI60878 no offset if C0 surface is converted into the grid of C1 surfaces
26//%13 pdn 15.02.99 USA60293 entities 792, 8604 .. handling of C0 ruled surfaces, tabulated cylindres,
27// and surfaces of revolution.
28//:p4 abv, pdn 23.02.99: PRO9234 #15720: call BRepTools::Update() for faces
29//%14 pdn 24.02.99 implementing of ShapeFix_Face on IGES
30// pdn 17.04.99 S4181: Implementing of reading IGES elementary surfaces.
31// pdn 10.05.99 S4137: Using modified ShapeDivide tools
32//#11 smh 22.12.99 BUC60625 Transform axis.
33//#12 smh 12.12.99 FRA62468 - Using conversion to B-Spline for Offset surface
34//=======================================================================
35
36#include <IGESToBRep_TopoSurface.ixx>
37
38#include <Standard_ErrorHandler.hxx>
39#include <IGESToBRep.hxx>
40#include <IGESToBRep_CurveAndSurface.hxx>
41#include <IGESToBRep_TopoCurve.hxx>
42#include <IGESToBRep_BasicCurve.hxx>
43#include <IGESToBRep_BasicSurface.hxx>
44
45#include <BRepAdaptor_Curve.hxx>
46#include <BRepPrimAPI_MakePrism.hxx>
47#include <BRepPrimAPI_MakeRevol.hxx>
48//S4054: ShapeTool_MakeWire -> ShapeExtend_WireData //:g8: BRepLib_MakeWire -> ShapeTool_MakeWire
49#include <BRepGProp.hxx>
50#include <BRepFill.hxx>
51#include <BRepLib_MakeFace.hxx>
52#include <BRep_Builder.hxx>
53#include <BRep_Tool.hxx>
54
55#include <ElSLib.hxx>
56
57#include <GProp.hxx>
58#include <GProp_GProps.hxx>
59
60#include <GeomAbs_Shape.hxx>
61
62#include <Geom2d_Line.hxx>
63#include <Geom2d_Curve.hxx>
64
65#include <Geom_BezierCurve.hxx>
66#include <Geom_Curve.hxx>
67#include <Geom_ConicalSurface.hxx>
68#include <Geom_CylindricalSurface.hxx>
69#include <Geom_OffsetSurface.hxx>
70#include <Geom_Plane.hxx>
71#include <Geom_Surface.hxx>
72#include <Geom_SurfaceOfLinearExtrusion.hxx>
73#include <Geom_RectangularTrimmedSurface.hxx>
74#include <Geom_SphericalSurface.hxx>
75#include <Geom_ToroidalSurface.hxx>
76
77#include <IGESData_IGESEntity.hxx>
78#include <IGESData_ToolLocation.hxx>
b311480e 79
7fd59977 80#include <IGESGeom_BSplineSurface.hxx>
81#include <IGESGeom_BoundedSurface.hxx>
82#include <IGESGeom_CurveOnSurface.hxx>
83#include <IGESGeom_Line.hxx>
84#include <IGESGeom_Point.hxx>
85#include <IGESGeom_Direction.hxx>
86
87#include <IGESSolid_CylindricalSurface.hxx>
88#include <IGESSolid_ConicalSurface.hxx>
89#include <IGESSolid_ToroidalSurface.hxx>
90#include <IGESSolid_SphericalSurface.hxx>
91#include <IGESSolid_PlaneSurface.hxx>
92
93#include <Interface_Macros.hxx>
94
95#include <gp_GTrsf.hxx>
96
97#include <Precision.hxx>
98
99#include <TopAbs.hxx>
100
101#include <TopoDS.hxx>
102#include <TopoDS_Edge.hxx>
103#include <TopoDS_Face.hxx>
104#include <TopoDS_Iterator.hxx>
105#include <TopoDS_Shape.hxx>
106#include <TopoDS_Shell.hxx>
107#include <TopoDS_Vertex.hxx>
108#include <TopoDS_Wire.hxx>
109
110#include <TopExp.hxx>
111#include <TopExp_Explorer.hxx>
112
113#include <TopLoc_Location.hxx>
114
115#include <gp.hxx>
116#include <gp_Ax1.hxx>
117#include <gp_Cylinder.hxx>
118#include <gp_Cone.hxx>
119#include <gp_Dir.hxx>
120#include <gp_Dir2d.hxx>
121#include <gp_Pln.hxx>
122#include <gp_Pnt.hxx>
123#include <gp_Sphere.hxx>
124#include <gp_Torus.hxx>
125#include <gp_Trsf.hxx>
126#include <gp_Vec.hxx>
127#include <stdio.h>
128
129//:e3
130#include <TColgp_Array1OfPnt.hxx>
131#include <TColStd_Array1OfReal.hxx>
132#include <TColStd_Array1OfInteger.hxx>
133#include <Geom_BSplineCurve.hxx>
134#include <Geom_Line.hxx>
135#include <BRepTools.hxx>//#16
136#include <ShapeAnalysis.hxx>
137//S4054
138#include <ShapeExtend_WireData.hxx>
139#include <ShapeFix_Wire.hxx>
140#include <Geom_TrimmedCurve.hxx>
141#include <GeomConvert.hxx>
142#include <GeomLib.hxx>
143#include <BSplCLib.hxx>
144//S3767
145#include <Message_Msg.hxx>
146#include <IGESData_IGESModel.hxx>
147
148#include <IGESGeom_CircularArc.hxx>
149#include <ElCLib.hxx>
150
151#include <BRepOffset_MakeOffset.hxx>
152#include <BRep_Tool.hxx>
153#include <Geom_BSplineSurface.hxx>
154#include <ShapeAlgo.hxx>
155#include <ShapeAlgo_AlgoContainer.hxx>
156#include <BRepBuilderAPI_MakeFace.hxx>
157#include <Geom_SurfaceOfRevolution.hxx>
158
159//=======================================================================
160//function : IGESToBRep_TopoSurface
161//purpose :
162//=======================================================================
163
164IGESToBRep_TopoSurface::IGESToBRep_TopoSurface()
165 :IGESToBRep_CurveAndSurface()
166{
167}
168
169
170//=======================================================================
171//function : IGESToBRep_TopoSurface
172//purpose :
173//=======================================================================
174
175IGESToBRep_TopoSurface::IGESToBRep_TopoSurface
176 (const IGESToBRep_CurveAndSurface& CS)
177 :IGESToBRep_CurveAndSurface(CS)
178{
179}
180
181
182//=======================================================================
183//function : IGESToBRep_TopoSurface
184//purpose :
185//=======================================================================
186
187IGESToBRep_TopoSurface::IGESToBRep_TopoSurface
188 (const Standard_Real eps,
189 const Standard_Real epsCoeff,
190 const Standard_Real epsGeom,
191 const Standard_Boolean mode,
192 const Standard_Boolean modeapprox,
193 const Standard_Boolean optimized)
194 :IGESToBRep_CurveAndSurface(eps, epsCoeff, epsGeom, mode,
195 modeapprox, optimized)
196{
197}
198
199static Standard_Boolean extractCurve3d (const TopoDS_Shape& theEdges,
200 Handle(Geom_Curve)& theCurve)
201{
202 TopExp_Explorer anExp(theEdges, TopAbs_EDGE);
203 Standard_Integer howMuch = 0;
204 Standard_Real f, l;
205 for (; anExp.More(); anExp.Next()) {
206 TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
207 if (anEdge.IsNull())
208 continue;
209 howMuch++;
210 theCurve = BRep_Tool::Curve(anEdge, f, l);
211 }
212 if ( howMuch != 1 || theCurve.IsNull() )
213 return Standard_False;
214
215 if ( f != theCurve->FirstParameter() || l != theCurve->LastParameter() )
216 theCurve = new Geom_TrimmedCurve ( theCurve, f, l );
217 return Standard_True;
218}
219
220
221//=======================================================================
222//function : TransferTopoSurface
223//purpose :
224//=======================================================================
225
226TopoDS_Shape IGESToBRep_TopoSurface::TransferTopoSurface
227 (const Handle(IGESData_IGESEntity)& st)
228{ // Declaration of messages//
229 // DCE 22/12/98
230 //Message_Msg msg1005("IGES_1005");
231 ////////////////////////////
232
233 TopoDS_Shape res;
234 TheULength = 1.;
235 //S4054
236 if (st.IsNull()) {
237 Message_Msg msg1005("IGES_1005");
238 SendFail(st, msg1005);
239 }
240 ////modified by jgv, 20.11.2009 for OCC21487///
241 else if (HasShapeResult(st))
242 {
243 res = GetShapeResult(st);
244 return res;
245 }
246 ///////////////////////////////////////////////
247 else if (IGESToBRep::IsBasicSurface(st)) {
248 res = TransferTopoBasicSurface(st);
249 }
250 else if (st->IsKind(STANDARD_TYPE(IGESGeom_TrimmedSurface))) {
251 DeclareAndCast(IGESGeom_TrimmedSurface, st144, st);
252 res = TransferTrimmedSurface(st144);
253 }
254 else if (st->IsKind(STANDARD_TYPE(IGESGeom_SurfaceOfRevolution))) {
255 DeclareAndCast(IGESGeom_SurfaceOfRevolution, st120, st);
256 res = TransferSurfaceOfRevolution(st120);
257 }
258 else if (st->IsKind(STANDARD_TYPE(IGESGeom_TabulatedCylinder))) {
259 DeclareAndCast(IGESGeom_TabulatedCylinder, st122, st);
260 res = TransferTabulatedCylinder(st122);
261 }
262 else if (st->IsKind(STANDARD_TYPE(IGESGeom_RuledSurface))) {
263 DeclareAndCast(IGESGeom_RuledSurface, st118, st);
264 res = TransferRuledSurface(st118);
265 }
266 else if (st->IsKind(STANDARD_TYPE(IGESGeom_Plane))) {
267 DeclareAndCast(IGESGeom_Plane, st108, st);
268 res = TransferPlane(st108);
269 }
270 else if (st->IsKind(STANDARD_TYPE(IGESGeom_BoundedSurface))) {
271 DeclareAndCast(IGESGeom_BoundedSurface, st143, st);
272 res = TransferBoundedSurface(st143);
273 }
274 else if (st->IsKind(STANDARD_TYPE(IGESGeom_OffsetSurface))) {
275 DeclareAndCast(IGESGeom_OffsetSurface, st140, st);
276 res = TransferOffsetSurface(st140);
277 }
278 //S4181 pdn IGESSolid_PlaneSurface recognized as basic surface
279 else if (st->IsKind(STANDARD_TYPE(IGESBasic_SingleParent))) {
280 DeclareAndCast(IGESBasic_SingleParent,st402_9,st);
281 res = TransferPerforate(st402_9); // limite : Planes seulement
282 }
283 else {
284 // AddFail(st, "The IGESEntity is not a Topologic Surface.");
285 }
286 SetShapeResult (st, res);
287 return res;
288}
289
290//=======================================================================
291//function : TransferTopoBasicSurface
292//purpose :
293//=======================================================================
294
295TopoDS_Shape IGESToBRep_TopoSurface::TransferTopoBasicSurface
296 (const Handle(IGESData_IGESEntity)& st)
297{ // Declaration of messages//
298 // DCE 22/12/98
299 //Message_Msg msg1005("IGES_1005");
300 ////////////////////////////
301
302 TopoDS_Shape res;
303
304 if (st.IsNull()) {
305 Message_Msg msg1005("IGES_1005");
306 SendFail(st, msg1005);
307 return res;
308 }
309 if (!IGESToBRep::IsBasicSurface(st)) {
310 // AddFail(st, "BasicSurface Transfer Error : Not Allowed IGESEntity"); This message can not occur.
311 return res;
312 }
313
314 IGESToBRep_BasicSurface BS(*this);
315
316 Handle(Geom_Surface) surf = BS.TransferBasicSurface(st);
317 if (surf.IsNull()) {
318 // AddFail(st, "Surface Conversion Error"); Messages have ever been Added in the called function.
319 return res;
320 }
321
322 //#9 rln 26/02/98 UKI60106
323 if (surf->Continuity() < GeomAbs_C1) {
324 Message_Msg msg1250("IGES_1250");
325 SendWarning(st, msg1250);
326 }
327 if(surf->IsKind(STANDARD_TYPE(Geom_Plane))){
328 BRep_Builder B;
329 TopoDS_Face plane;
330 B.MakeFace(plane);
331 B.UpdateFace(plane, surf, TopLoc_Location(), Precision::Confusion());
332 res = plane;
333 }
334 else {
1c72dff6 335 BRepLib_MakeFace makeFace(surf, Precision::Confusion());
7fd59977 336 res = makeFace.Face();
337 }
338
339 if (st->HasTransf()) {
340 gp_Trsf trsf;
341 SetEpsilon(1.E-04);
342 if (IGESData_ToolLocation::ConvertLocation
343 (GetEpsilon(),st->CompoundLocation(),trsf,GetUnitFactor())) {
344 TopLoc_Location locFace(trsf);
345 res.Move(locFace);
346 }
347 else {
348 Message_Msg msg1035("IGES_1035");
349 SendWarning(st, msg1035);
350 }
351 }
352 return res;
353}
354
355
356//=======================================================================
357//function : TransferRuledSurface
358//purpose :
359//=======================================================================
360static void reparamBSpline(Handle(Geom_Curve)& curve,
361 const Standard_Real First,
362 const Standard_Real Last)
363{
364 Handle (Geom_BSplineCurve) bscurve;
365 if (!curve->IsKind (STANDARD_TYPE (Geom_BSplineCurve))) {
366 if (curve->FirstParameter() < First || curve->LastParameter() > Last)
367 curve = new Geom_TrimmedCurve (curve, First, Last);
368 bscurve = GeomConvert::CurveToBSplineCurve (curve, Convert_RationalC1);
369 }
370 else {
371 bscurve = Handle (Geom_BSplineCurve)::DownCast (curve);
372 bscurve->Segment (First, Last);
373 }
374
375 if (bscurve.IsNull())
376 return;
377
378 TColStd_Array1OfReal Knots(1, bscurve->NbKnots());
379 bscurve->Knots(Knots);
380 BSplCLib::Reparametrize (0., 1., Knots);
381 bscurve->SetKnots(Knots);
382 curve = bscurve;
383}
384
385static void ReparamCurve(TopoDS_Edge& edge)
386{
387 TopLoc_Location L;
388 Standard_Real First, Last;
389
390 Handle (Geom_Curve) curve = Handle (Geom_Curve)::DownCast (BRep_Tool::Curve ( edge, L, First, Last )->Copy());
391 //if ( Abs (First) <= Precision::PConfusion() && Abs (Last - 1.) <= Precision::PConfusion() ) return;
392 if(!curve->IsKind(STANDARD_TYPE(Geom_Line))) return;
393
394 reparamBSpline( curve, First, Last );
395
396 BRep_Builder B;
397 B.UpdateEdge ( edge, curve, L, Precision::Confusion() );
398 B.Range ( edge, 0., 1 );
399}
400
401
402//=======================================================================
403//function : TransferRuledSurface
404//purpose :
405//=======================================================================
406
407TopoDS_Shape IGESToBRep_TopoSurface::TransferRuledSurface
408 (const Handle(IGESGeom_RuledSurface)& st)
409{ // Declaration of messages//
410 // DCE 22/12/98
411 //Message_Msg msg1005("IGES_1005");
412 ////////////////////////////////
413 TopoDS_Shape res;
414
415 if (st.IsNull()) {
416 Message_Msg msg1005("IGES_1005");
417 SendFail(st, msg1005);
418 return res;
419 }
420
421 IGESToBRep_TopoCurve TC(*this);
422 //%13 pdn 12.02.99
423 TC.SetContinuity (0);
424 Handle(IGESData_IGESEntity) igesCurve1 = st->FirstCurve();
425 Handle(IGESData_IGESEntity) igesCurve2 = st->SecondCurve();
426
427 if (igesCurve1.IsNull()) {
428 Message_Msg msg148("XSTEP_148");
429 SendFail(st, msg148); // Curve Reading Error : Null IGESEntity
430 return res;
431 }
432 if (igesCurve2.IsNull()) {
433 Message_Msg msg149("XSTEP_149");
434 SendFail(st, msg149); // Curve Reading Error : Null IGESEntity
435 return res;
436 }
437
438 Standard_Integer nbEdges1, nbEdges2;
439 TopoDS_Shape shape1, shape2;
440 TopoDS_Wire wire1, wire2;
441 TopoDS_Wire newWire1, newWire2;
442 //TopoDS_Edge edge1, edge2; // skl
443
444 if (IGESToBRep::IsTopoCurve(igesCurve1)) {
445 shape1 = TC.TransferTopoCurve(igesCurve1);
446 if (shape1.IsNull()) {
447 Message_Msg msg1156("IGES_1156");
448 const Standard_CString typeName(igesCurve1->DynamicType()->Name());
449 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesCurve1);
450 msg1156.Arg(typeName);
451 msg1156.Arg(label);
452 SendFail(st, msg1156);
453 return res;
454 }
455
456 //%13 pdn 15.02.99
457 //added by rln on 03/12/97
458 //if shape1 is a wire it means that the curve1 in file was of continuity C0
459 //in order to get a face instead of shell when to BRepFill shape1
460 //should be retransfered with contionuity C0 (to get an edge). Once shape1
461 //has been built with C0, it is useless to require C1 from shape2 because
462 //anyway resulting surface was of continuity C0. Thus shape2 is built with C0
463// if (shape1.ShapeType() != TopAbs_EDGE) {
464// TC.SetContinuity (0);
465// shape1 = TC.TransferTopoCurve(igesCurve1);
466// if (shape1.IsNull()) {
467// Message_Msg msg1156("IGES_1156");
468// const Standard_CString typeName(igesCurve1->DynamicType()->Name());
469// Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesCurve1);
470// msg1156.Arg(typeName);
471// msg1156.Arg(label);
472// SendFail(st, msg1156);
473// return res;
474// }
475// else {
476// Message_Msg msg1250("IGES_1250");
477// SendWarning (st, msg1250); // RuledSurface was built with continuity C0
478// }
479// }
480
481 TopAbs_ShapeEnum shapeEnum1 = shape1.ShapeType();
482 switch (shapeEnum1) {
483 case TopAbs_EDGE :
484 {
485 TopoDS_Edge edge1 = TopoDS::Edge(shape1);
486 ReparamCurve(edge1);
487 nbEdges1 = 1;
488 }
489 break;
490 case TopAbs_WIRE :
491 {
492 wire1 = TopoDS::Wire(shape1);
493 nbEdges1 = 0;
494 for (TopoDS_Iterator hulot(wire1); hulot.More(); hulot.Next()) {
495 TopoDS_Edge edge1 = TopoDS::Edge(hulot.Value());
496 ReparamCurve(edge1);
497 nbEdges1++;
498 }
499 }
500 break;
501 default:
502 {
503 // AddFail(st, "Curve Conversion Error."); This message can not occur.
504 return res;
505 }
506 //break; //szv#4:S4163:12Mar99 unreachable
507 }
508 }
509 else {
510 Message_Msg msg148("XSTEP_148");
511 SendFail(st, msg148);
512 // Curve Type not Allowed.
513 return res;
514 }
515
516 if (IGESToBRep::IsTopoCurve(igesCurve2)) {
517 shape2 = TC.TransferTopoCurve(igesCurve2);
518 // dirflg = 0 join first to first, last to last
519 // dirflg = 1 join first to last, last to first
520
521 if (shape2.IsNull()) {
522 Message_Msg msg1156("IGES_1156");
523 const Standard_CString typeName(igesCurve2->DynamicType()->Name());
524 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesCurve2);
525 msg1156.Arg(typeName);
526 msg1156.Arg(label);
527 SendFail(st, msg1156);
528 // Curve Conversion Error.
529 return res;
530 }
531 Standard_Integer dirflag = st->DirectionFlag ();
532 // if (dirflag == 1){ // gka BUC60685
533
534 // shape2.Reverse();
535 //}
536
537 TopAbs_ShapeEnum shapeEnum2 = shape2.ShapeType();
538 switch (shapeEnum2) {
539 case TopAbs_EDGE :
540 {
541 TopoDS_Edge edge2 = TopoDS::Edge(shape2);
542 ReparamCurve(edge2);
543 if (dirflag == 1)
544 shape2.Reverse();
545 nbEdges2 = 1;
546 }
547 break;
548 case TopAbs_WIRE :
549 {
550 wire2 = TopoDS::Wire(shape2);
551 nbEdges2 = 0;
552 for (TopoDS_Iterator cousto(wire2); cousto.More(); cousto.Next()) {
553 TopoDS_Edge edge2 = TopoDS::Edge(cousto.Value());
554 ReparamCurve(edge2);
555 nbEdges2++;
556 }
557 if (dirflag == 1) { //gka BUC60685
558 Handle(ShapeExtend_WireData) sewd2 = new ShapeExtend_WireData;
559 sewd2->Add(shape2);
560 sewd2->Reverse();
561 wire2 = sewd2->Wire();
562 }
563 }
564 break;
565 default:
566 {
567 // AddFail(st, "Curve Conversion Error.");
568 return res;
569 }
570 //break; //szv#4:S4163:12Mar99 unreachable
571 }
572 }
573 else {
574 Message_Msg msg149("XSTEP_149");
575 SendFail(st, msg149);
576 // Curve Type not Allowed
577 return res;
578 }
579
580
581 if (nbEdges1 != nbEdges2) {
582 if (nbEdges1 == 1) {
583 Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData;
584 sewd1->Add(shape1);
585 wire1 = sewd1->Wire();
586 }
587 else if (nbEdges2 == 1) {
588 Handle(ShapeExtend_WireData) sewd2 = new ShapeExtend_WireData;
589 sewd2->Add(shape2);
590 wire2 = sewd2->Wire();
591 }
592
593 if (!st->IsRuledByParameter()) {
594 // AddWarning (st,"Compute by parametric constant ratio");
595 }
596 if (!ShapeAlgo::AlgoContainer()->HomoWires
597 (wire1, wire2, newWire1, newWire2, st->IsRuledByParameter())) {
598 Message_Msg msg1255("IGES_1255");// "Ruled Surface Construction Error");
599 SendFail(st, msg1255);
600 return res;
601 }
602 nbEdges1 = 2; // a number > 1
603 }
604
605 else if (nbEdges1 != 1) {
606 newWire1 = wire1;
607 newWire2 = wire2;
608 }
609
610
611 if (nbEdges1 == 1) {
612
613 //:e3 abv 31 Mar 98: UK4.igs 3170: ruled surface with directixes - line
614 // In IGES, line is parametrised [0;1] - this should have been kept !
615 // Let us detect the case and remake curve as bspline [0;1]
616 for ( Standard_Integer i=1; i <=2; i++ ) {
617 //#43 rln 20.11.98 S4054 BUC50047 entity D463 (circles as generatrices [0, 2*PI])
618 //reparameterisation should be for all curves not with range [0, 1] (see IGES)
619 TopoDS_Edge edge = TopoDS::Edge ( i==1 ? shape1 : shape2 );
620 //ReparamCurve(edge);
621 TopLoc_Location L;
622 Standard_Real First, Last;
623 Handle (Geom_Curve) curve = Handle (Geom_Curve)::DownCast (BRep_Tool::Curve ( edge, L, First, Last )->Copy());
624 if ( Abs (First) <= Precision::PConfusion() && Abs (Last - 1.) <= Precision::PConfusion() ) continue;
625
626 Handle (Geom_BSplineCurve) bscurve;
627 if (!curve->IsKind (STANDARD_TYPE (Geom_BSplineCurve))) {
628 if (curve->FirstParameter() < First || curve->LastParameter() > Last)
629 curve = new Geom_TrimmedCurve (curve, First, Last);
630 bscurve = GeomConvert::CurveToBSplineCurve (curve, Convert_RationalC1);
631 }
632 else {
633 bscurve = Handle (Geom_BSplineCurve)::DownCast (curve);
634 bscurve->Segment (First, Last);
635 }
636 TColStd_Array1OfReal Knots(1, bscurve->NbKnots());
637 bscurve->Knots(Knots);
638 BSplCLib::Reparametrize (0., 1., Knots);
639 bscurve->SetKnots(Knots);
640
641 BRep_Builder B;
642 B.UpdateEdge ( edge, bscurve, L, Precision::Confusion() );
643 B.Range ( edge, 0., 1 );
644 if ( i ==1 ) shape1 = edge;
645 else shape2 = edge;
646 }
647
648 res = BRepFill::Face(TopoDS::Edge(shape1), TopoDS::Edge(shape2));
649 Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(res));
650 if(surf->Continuity()==GeomAbs_C0) {
651 Message_Msg msg1250("IGES_1250");
652 SendWarning (st, msg1250);
653 }
654 }
655 else {
656 res = BRepFill::Shell(newWire1, newWire2);
657 }
658 if (res.IsNull()) {
659 Message_Msg msg1255("IGES_1255");// "Ruled Surface Construction Error");
660 SendFail(st, msg1255);
661 return res;
662 }
663
664
665 if (st->HasTransf()) {
666 gp_Trsf trsf;
667 SetEpsilon(1.E-04);
668 if (IGESData_ToolLocation::ConvertLocation
669 (GetEpsilon(),st->CompoundLocation(), trsf,GetUnitFactor())) {
670 TopLoc_Location shapeLoc(trsf);
671 res.Move(shapeLoc);
672 }
673 else {
674 Message_Msg msg1035("IGES_1035");
675 SendWarning(st,msg1035); // Transformation : not a similarity
676 }
677 }
678 return res;
679}
680
681
682//=======================================================================
683//function : TransferSurfaceOfRevolution
684//purpose :
685//=======================================================================
686
687TopoDS_Shape IGESToBRep_TopoSurface::TransferSurfaceOfRevolution
688 (const Handle(IGESGeom_SurfaceOfRevolution)& st)
689{ // Declaration of messages//
690 // DCE 22/12/98
691 //Message_Msg msg1005("IGES_1005");
692 ////////////////////////////////
693 TopoDS_Shape res;
694 if (st.IsNull()) {
695 Message_Msg msg1005("IGES_1005");
696 SendFail(st, msg1005);
697 return res;
698 }
699
700 IGESToBRep_TopoCurve TC(*this);
701 IGESToBRep_BasicCurve BC(*this);
702 Handle(IGESData_IGESEntity) igesGeneratrix = st->Generatrix();
703 Handle(IGESGeom_Line) igesAxis = st->AxisOfRevolution();
704
705 if (igesGeneratrix.IsNull() || !IGESToBRep::IsTopoCurve(igesGeneratrix) ) {
706 Message_Msg msg153("XSTEP_153");
707 SendFail(st, msg153);
708 // Generatrix Reading Error : Null IGESEntity
709 // Generatrix : Not Allowed IGESEntity.
710 return res;
711 }
712
713 DeclareAndCast(IGESGeom_Line,srgen,st->Generatrix());
714 if (!srgen.IsNull()) {
715 gp_Pnt gen1 = srgen->StartPoint();
716 gp_Pnt gen2 = srgen->EndPoint();
717 TheULength = gen1.Distance(gen2)*GetUnitFactor();
718 }
719
720 if (igesAxis.IsNull()) {
721 Message_Msg msg152("XSTEP_152");
722 SendFail(st, msg152);
723 return res;
724 }
725
726 //%13 pdn 15.02.99
727 TC.SetContinuity(0);
728 TopoDS_Shape generatrix = TC.TransferTopoCurve(igesGeneratrix);
729 if (generatrix.IsNull()) {
730 Message_Msg msg1156("IGES_1156");
731 const Standard_CString typeName("generatrix");
732 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesGeneratrix);
733 msg1156.Arg(typeName);
734 msg1156.Arg(label);
735 SendFail(st, msg1156);
736 // Generatrix Conversion Error.
737 return res;
738 }
739
740 gp_Trsf startLoc;
741 gp_Pnt pt1 = igesAxis->TransformedStartPoint(); //smh#11
742 gp_Pnt pt2 = igesAxis->TransformedEndPoint(); //smh#11
743 pt1.Scale(gp_Pnt(0,0,0),GetUnitFactor());
744 pt2.Scale(gp_Pnt(0,0,0),GetUnitFactor());
745 //#30 rln 19.10.98 To keep IGES surface normal CAS.CADE axis = reversed IGES axis
746 //CAS.CADE SA = 2*PI - IGES TA
747 //CAS.CADE TA = 2*PI - IGES SA
748 //gp_Ax1 revolAxis(pt1, gp_Dir(gp_Vec(pt1, pt2)));
749 //Standard_Real startAngle = st->StartAngle();
750 //Standard_Real endAngle = st->EndAngle();
751 gp_Ax1 revolAxis(pt1, gp_Dir( gp_Vec (pt2, pt1)));
c6541a0c
D
752 Standard_Real startAngle = 2 * M_PI - st->EndAngle();
753 Standard_Real endAngle = 2 * M_PI - st->StartAngle();
7fd59977 754 Standard_Real deltaAngle = endAngle - startAngle;
c6541a0c
D
755 Standard_Boolean IsFullAngle = ( deltaAngle > 2.*M_PI-Precision::PConfusion() );
756 if (IsFullAngle) deltaAngle = 2.*M_PI; // ** CKY 18-SEP-1996
7fd59977 757 // il faudra translater les courbes 2d de startAngle pour
758 // etre en phase IGES et BRep
759 startLoc.SetRotation(revolAxis, startAngle);
760 generatrix.Move(startLoc);
761
762 // PTV file D44-11325-6.igs OCC660 depends on OCC450
763 // PTV 29.05.2002 OCC450 create Surface of Revolution by native API
764 // file NIC_file5.igs
765 // (BRepPrimAPI_MakeRevol replace surface of revolution by plane then 3D and 2D curves are inconsistent;
766 // and 3D is ignored. As result shape is rectangle instead circle shape.
767 Handle(Geom_Curve) aBasisCurve;
768 {
769 try {
770 OCC_CATCH_SIGNALS
771 if (extractCurve3d(generatrix, aBasisCurve)) {
772 Handle(Geom_Surface) aResultSurf = new Geom_SurfaceOfRevolution(aBasisCurve, revolAxis);
773 if ( !aResultSurf.IsNull() && !IsFullAngle ) {
774 Standard_Real VF = aBasisCurve->FirstParameter();
775 Standard_Real VL = aBasisCurve->LastParameter();
776 // PTV 29.08.2002 begin of OCC663 Trim surface by correct parameters
777 Standard_Real UF = 0;
778 Standard_Real UL = endAngle - startAngle;;
779 //aResultSurf = new Geom_RectangularTrimmedSurface(aResultSurf, startAngle, endAngle, VF, VL);
780 aResultSurf = new Geom_RectangularTrimmedSurface(aResultSurf, UF, UL, VF, VL);
781 // PTV 29.08.2002 end of OCC663
782 }
783 if (!aResultSurf.IsNull()) {
1c72dff6 784 BRepBuilderAPI_MakeFace aMakeF(aResultSurf, Precision::Confusion());
7fd59977 785 if (aMakeF.IsDone()) res = aMakeF.Face();
786 }
787 }
788 }
789 catch (Standard_Failure) {
790#ifdef DEB
791 cout << "Warning: IgesToBRep_TopoSurface::TransferSurfaceOfRevolution(): exception by Geom: ";
792 Standard_Failure::Caught()->Print ( cout ); cout << endl;
793#endif
794 }
795 }
796
797 if ( res.IsNull() ) {
798 // do as usual.
799
800 BRepPrimAPI_MakeRevol revol(generatrix, revolAxis, deltaAngle);
801//mjm: si debug IsDone()est fait :
802// if (!revol.IsDone()) {
803// AddFail(st, "Revol Construction Error.");
804// return res;
805// }
806 res = revol.Shape();
807 }
808 //%13 pdn 15.02.99
809 if (res.ShapeType() == TopAbs_FACE) {
810 Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(res));
811 if(surf->Continuity()==GeomAbs_C0) {
812 Message_Msg msg1250("IGES_1250");
813 SendWarning (st, msg1250);
814 }
815 }
816
817 if (st->HasTransf()) {
818 gp_Trsf trsf;
819 SetEpsilon(1.E-04);
820 if (IGESData_ToolLocation::ConvertLocation
821 (GetEpsilon(), st->CompoundLocation(), trsf, GetUnitFactor())) {
822 TopLoc_Location shapeLoc(trsf);
823 res.Move(shapeLoc);
824 }
825 else {
826 Message_Msg msg1035("IGES_1035");
827 SendWarning(st,msg1035); // Transformation : not a similarity
828 }
829 }
830
831 return res;
832}
833
834
835//=======================================================================
836//function : TransferTabulatedCylinder
837//purpose :
838//=======================================================================
839
840TopoDS_Shape IGESToBRep_TopoSurface::TransferTabulatedCylinder
841 (const Handle(IGESGeom_TabulatedCylinder)& st)
842{ // Declaration of messages//
843 // DCE 22/12/98
844 //Message_Msg msg1005("IGES_1005");
845 ////////////////////////////////
846 TopoDS_Shape res;
847 if (st.IsNull()) {
848 Message_Msg msg1005("IGES_1005");
849 SendFail(st, msg1005);
850 return res;
851 }
852
853 IGESToBRep_TopoCurve TC(*this);
854// TopoDS_Edge firstEdge;//commented by rln on 02/12/97
855
856 Handle(IGESData_IGESEntity) igesDirectrix = st->Directrix();
857 if (igesDirectrix.IsNull() || !IGESToBRep::IsTopoCurve(igesDirectrix) ) {
858 Message_Msg msg153("XSTEP_153");
859 SendFail(st, msg153);
860 // Directrix Reading Error : Null IGESEntity
861 //Directrix, not allowed IGESEntity
862 return res;
863 }
864
865 //%13 pdn 15.02.99
866 TC.SetContinuity(0);
867 TopoDS_Shape directrix = TC.TransferTopoCurve(igesDirectrix);
868 if (directrix.IsNull()) {
869 Message_Msg msg1156("IGES_1156");
870 const Standard_CString typeName("directrix");
871 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesDirectrix);
872 msg1156.Arg(typeName);
873 msg1156.Arg(label);
874 SendFail(st, msg1156);
875 // Directrix Conversion Error.
876 return res;
877 }
878
879 //modified by rln on 03/12/97
880 //TopoDS_Vertex firstVertex = TopExp::FirstVertex(firstEdge);
881 TopoDS_Vertex firstVertex, lastVertex;
882 ShapeAnalysis::FindBounds (directrix, firstVertex, lastVertex);
883 gp_Pnt pt1 = BRep_Tool::Pnt(firstVertex);
884 gp_Pnt pt2 = st->EndPoint();
885 pt2.Scale(gp_Pnt(0,0,0),GetUnitFactor());
886
887 TheULength = pt1.Distance(pt2);
888 if(TheULength < Precision::Confusion()) {
889 Message_Msg msg("Tabulated cylinder with zero length");
890 SendFail (st, msg); // TabulatedCylinder was built with continuity C0
891 return res;
892 }
893
894 // PTV file D44-11325-6.igs OCC660 depends on OCC450
895 // PTV 29.05.2002 OCC450 create Surface of LinearExtrusion by native API
896 // see description about problem in Surface of Revolution
897 Handle(Geom_Curve) aBasisCurve;
898 {
899 try {
900 OCC_CATCH_SIGNALS
901 if (extractCurve3d(directrix, aBasisCurve)) {
7fd59977 902 gp_Vec dir (pt1, pt2);
903 Handle(Geom_Surface) aResultSurf =
904 new Geom_SurfaceOfLinearExtrusion(aBasisCurve, dir);
905 if (!aResultSurf.IsNull()) {
906 aResultSurf =
907 new Geom_RectangularTrimmedSurface(aResultSurf,
908 aBasisCurve->FirstParameter(),
909 aBasisCurve->LastParameter(),
910 0., dir.Magnitude() );
1c72dff6 911 BRepBuilderAPI_MakeFace aMakeF(aResultSurf, Precision::Confusion());
7fd59977 912 if (aMakeF.IsDone()) res = aMakeF.Face();
913 }
914 }
915 }
916 catch (Standard_Failure) {
917#ifdef DEB
918 cout << "Warning: IgesToBRep_TopoSurface::TransferTabulatedCylinder(): exception by Geom: ";
919 Standard_Failure::Caught()->Print ( cout ); cout << endl;
920#endif
921 }
922 }
923
924 if ( res.IsNull() ) {
925 // do as usual.
926 BRepPrimAPI_MakePrism prism(directrix, gp_Vec(pt1, pt2));
927//mjm: si debug IsDone() est fait
928// if (!prism.IsDone()) {
929// AddFail(st, "Prism Construction Error.");
930// return res;
931// }
932 res = prism.Shape();
933 }
934 //#16 rln 08/04/98 coq-inf-support.igs entity 2105
935 //CAS.CADE can parametrize SurfaceOfLinearExtrusion with generatrix opposite to Vec(pt1, pt2)
936 //and with parametrization V > 0, while in IGES TabulatedCylinder is parametrized with positive V
937 //direction exactly in the direction Vec(pt1, pt2)
938 if (res.ShapeType() == TopAbs_FACE) {
939 Standard_Real UMin, UMax, VMin, VMax;
940 BRepTools::UVBounds (TopoDS::Face (res), UMin, UMax, VMin, VMax);
941 if (VMax <= Precision::PConfusion() && VMin < -Precision::PConfusion()) {
942 TheULength *= -1;
943 res.Reverse();
944 }
945 Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(res));
946 if(surf->Continuity()==GeomAbs_C0) {
947 Message_Msg msg1250("IGES_1250");
948 SendWarning (st, msg1250);
949 }
950 }
951
952 if (st->HasTransf()) {
953 gp_Trsf trsf;
954 SetEpsilon(1.E-04);
955 if (IGESData_ToolLocation::ConvertLocation
956 (GetEpsilon(),st->CompoundLocation(), trsf, GetUnitFactor())) {
957 TopLoc_Location shapeLoc(trsf);
958 res.Move(shapeLoc);
959 }
960 else {
961 Message_Msg msg1035("IGES_1035");
962 SendWarning(st,msg1035); // Transformation : not a similarity
963 }
964 }
965 return res;
966}
967
968
969//=======================================================================
970//function : TransferOffsetSurface
971//purpose :
972//=======================================================================
973
974TopoDS_Shape IGESToBRep_TopoSurface::TransferOffsetSurface
975 (const Handle(IGESGeom_OffsetSurface)& st)
976{ // Declaration of messages//
977 // DCE 22/12/98
978 //Message_Msg msg1005("IGES_1005");
979 ////////////////////////////////
980 TopoDS_Shape res;
981 if (st.IsNull()) {
982 Message_Msg msg1005("IGES_1005");
983 SendFail(st, msg1005);
984 return res;
985 }
986
987 TopoDS_Shape igesShape;
988 TopoDS_Face face;
989 TopLoc_Location basisLoc;
990
991 Handle (IGESData_IGESEntity) igesSrf = st->Surface();
992 if (igesSrf.IsNull() || !IGESToBRep::IsTopoSurface(igesSrf) ) {
993 Message_Msg msg164("XSTEP_164");
994 SendFail(st, msg164);
995 // Basis Surface Reading Error : Null IGESEntity
996 // Basis Surface Transfer Error : Not Allowed IGESEntity
997 return res;
998 }
999
1000 igesShape = TransferTopoSurface(igesSrf);
1001 if (igesShape.IsNull()) {
1002 Message_Msg msg1156("IGES_1156");
1003 const Standard_CString typeName("basis surface");
1004 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSrf);
1005 msg1156.Arg(typeName);
1006 msg1156.Arg(label);
1007 SendFail(st, msg1156); // Basis Surface Conversion Error.
1008 return res;
1009 }
1010
1011 TopAbs_ShapeEnum shapeEnum = igesShape.ShapeType();
1012 switch (shapeEnum) {
1013 case TopAbs_FACE :
1014 {
1015 face = TopoDS::Face(igesShape);
1016 break;
1017 }
1018 case TopAbs_SHELL :
1019 {
1020 SendWarning(st, "The First Surface only will be transfered.");
1021 TopoDS_Iterator dabovil(igesShape);
1022 if (dabovil.More()) {
1023 face = TopoDS::Face(dabovil.Value());
1024 break;
1025 }
1026 /* else AddF("... */
1027 }
1028 default:
1029 {
1030 Message_Msg msg1156("IGES_1156");
1031 const Standard_CString typeName("basis surface");
1032 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSrf);
1033 msg1156.Arg(typeName);
1034 msg1156.Arg(label);
1035 SendFail(st, msg1156); // Basis Surface Conversion Error.
1036 return res;
1037 }
1038 }
1039
1040
1041 //Handle(Geom_Surface) geomSupport = BRep_Tool::Surface(face, basisLoc);
1042 // attention on ne peut construire une Geom_OffsetSurface que
1043 // si la surface de base est au moins C1, sinon on plante !
1044 //#56 rln 25.12.98 UKI60878 entity D593 (Offset surface on C0 B-Spline)
1045 //Trying to eliminate previous limitation on processing only C1 surfaces
1046 Handle(Geom_Surface) geomSupport = BRep_Tool::Surface(face);
1047 Handle(Geom_OffsetSurface) basisSrf;
1048
1049 if (geomSupport->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
1050 DeclareAndCast(Geom_OffsetSurface, geom140, geomSupport);
1051 geom140->SetOffsetValue(basisSrf->Offset() +
1052 st->Distance()*GetUnitFactor());
1053 basisSrf = geom140;
1054 }
1055 else {
1056 if (geomSupport->Continuity() == GeomAbs_C0) {
1057 res = ShapeAlgo::AlgoContainer()->C0ShapeToC1Shape (face, Abs (st->Distance()) * GetUnitFactor());
1058 if(res.ShapeType()!=TopAbs_FACE) {
1059 Message_Msg msg1266("IGES_1266");
1060 SendFail(st, msg1266);//Basis surface is C0-continuous and cannot be corrected to C1-continuous.
1061 return res;
1062 }
1063 else {
1064 geomSupport = BRep_Tool::Surface (TopoDS::Face(res));
1065 if (geomSupport->Continuity() == GeomAbs_C0) {
1066 Message_Msg msg1266("IGES_1266");
1067 SendFail(st, msg1266);//Basis surface is C0-continuous and cannot be corrected to C1-continuous.
1068 res.Nullify();
1069 return res;
1070 }
1071 }
1072 Message_Msg msg1267("IGES_1267");
1073 SendWarning(st, msg1267);//Basis surface is C0-continuous but was corrected to C1-continuous
1074 }
1075 //smh#12
1076 if (res.IsNull()) res = face;
1077 geomSupport = BRep_Tool::Surface (TopoDS::Face(res));
1078 Standard_Real umin, umax, vmin, vmax;
1079 geomSupport->Bounds (umin, umax, vmin, vmax);
1080 if (Precision::IsInfinite (umin) || Precision::IsInfinite (umax) ||
1081 Precision::IsInfinite (vmin) || Precision::IsInfinite (vmax)) {
1082 // convert to C1 B-Spline
1083 BRepTools::UVBounds (face, umin, umax, vmin, vmax);
1084 Handle(Geom_RectangularTrimmedSurface) TS = new Geom_RectangularTrimmedSurface (geomSupport, umin, umax, vmin, vmax);
1085 Handle (Geom_BSplineSurface) BS = ShapeAlgo::AlgoContainer()->ConvertSurfaceToBSpline(TS, umin, umax, vmin, vmax);
1086 if (BS.IsNull() || BS->Continuity() == GeomAbs_C0) {
1087 Message_Msg msg1265("IGES_1265");
1088 SendFail(st, msg1265); // OffsetSurface Construction Error.
1089 return res;
1090 }
1091 else {
1092 geomSupport = BS;
1093 }
1094 }
1095 basisSrf = new Geom_OffsetSurface(geomSupport, st->Distance()*GetUnitFactor());
1096 }
1097
1c72dff6 1098 BRepLib_MakeFace MF(basisSrf, Precision::Confusion());
7fd59977 1099 if(!MF.IsDone()) {
1100 Message_Msg msg1265("IGES_1265");
1101 SendFail(st, msg1265); // OffsetSurface Construction Error.
1102 return res;
1103 }
1104
1105 res = MF.Face();
1106
1107 if (st->HasTransf()) {
1108 gp_Trsf trsf;
1109 SetEpsilon(1.E-04);
1110 if (IGESData_ToolLocation::ConvertLocation
1111 (GetEpsilon(),st->CompoundLocation(),trsf, GetUnitFactor())) {
1112 TopLoc_Location loc2(trsf);
1113 res.Move(loc2);
1114 }
1115 else {
1116 Message_Msg msg1035("IGES_1035");
1117 SendWarning(st,msg1035); // Transformation : not a similarity
1118 }
1119 }
1120 return res;
1121}
1122
1123
1124//=======================================================================
1125//function : TransferTrimmedSurface
1126//purpose :
1127//=======================================================================
1128
1129TopoDS_Shape IGESToBRep_TopoSurface::TransferTrimmedSurface
1130 (const Handle(IGESGeom_TrimmedSurface)& st)
1131{ // Declaration of messages//
1132 // DCE 22/12/98
1133 //Message_Msg msg1005("IGES_1005");
1134 ////////////////////////////////
1135 TopoDS_Shape res;
1136 if (st.IsNull()) {
1137 Message_Msg msg1005("IGES_1005");
1138 SendFail(st, msg1005);
1139 return res;
1140 }
1141
1142 TopAbs_ShapeEnum shapeEnum;
1143 IGESToBRep_TopoCurve TC(*this);
1144
1145 Handle (IGESData_IGESEntity) igesSurface = st->Surface();
1146 if (igesSurface.IsNull() || !IGESToBRep::IsTopoSurface(igesSurface) ) {
1147 Message_Msg msg169("XSTEP_169");
1148 SendFail(st, msg169);
1149 // BasicSurface Transfer Error : Null IGESEntity
1150 // Basis Surface, not Allowed IGESEntity.
1151 return res;
1152 }
1153 gp_Trsf2d trans;
1154 Standard_Real uFact;
1155 TopoDS_Face face, faceres;
1156
1157 TopoDS_Shape myshape = ParamSurface(igesSurface, trans, uFact);
1158
1159 if (!myshape.IsNull()) {
1160 shapeEnum = myshape.ShapeType();
1161 switch (shapeEnum) {
1162 case TopAbs_FACE :
1163 {
1164 face = TopoDS::Face(myshape);
1165 faceres = face;
1166 break;
1167 }
1168 case TopAbs_SHELL :
1169 {
1170 TopoDS_Iterator IT(myshape);
1171 Standard_Integer nbfaces = 0;
1172 for (; IT.More(); IT.Next()) {
1173 nbfaces++;
1174 face = TopoDS::Face(IT.Value());
1175 faceres = face;
1176 }
1177 //szv#4:S4163:12Mar99 optimized
1178 if (nbfaces != 1) {
1179 Message_Msg msg1156("IGES_1156");
1180 const Standard_CString typeName("basis surface");
1181 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSurface);
1182 msg1156.Arg(typeName);
1183 msg1156.Arg(label);
1184 SendFail(st, msg1156); // Not Implemented Trimmed Composite Surface.
1185 return myshape;
1186 }
1187 }
1188 break;
1189 default:
1190 {
1191 Message_Msg msg1156("IGES_1156");
1192 const Standard_CString typeName("basis surface");
1193 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSurface);
1194 msg1156.Arg(typeName);
1195 msg1156.Arg(label);
1196 SendFail(st, msg1156); // Basis Surface Conversion Error.
1197 return res;
1198 }
1199 }
1200 }
1201 else {
1202 return res;
1203 }
1204
1205 //obtaining a surface
1206 TopLoc_Location L;
1207 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(face, L);
1208 TC.SetSurface(aSurf);
1209
1210 if (st->HasOuterContour()) {
1211 face.EmptyCopy();
1212 TopoDS_Shape myshape1 = TC.TransferCurveOnFace (face, st->OuterContour(), trans, uFact, Standard_False);
1213 // si ca se passe mal , on recupere au moins la face avec NaturalRestriction
1214 if (myshape1 .IsNull()) face = faceres;
1215 }
1216 for (Standard_Integer i = 1; i <= st->NbInnerContours(); i++) {
1217 TopoDS_Shape myshape2 = TC.TransferCurveOnFace (face, st->InnerContour(i), trans, uFact, Standard_False);
1218 }
1219 BRepTools::Update ( face ); //:p4
1220 //%16 pdn 08.04.99
1221 return face;
1222}
1223
1224
1225//=======================================================================
1226//function : TransferBoundedSurface
1227//purpose :
1228//=======================================================================
1229
1230TopoDS_Shape IGESToBRep_TopoSurface::TransferBoundedSurface
1231 (const Handle(IGESGeom_BoundedSurface)& st)
1232{ // Declaration of messages//
1233 // DCE 22/12/98
1234 //Message_Msg msg1005("IGES_1005");
1235 ////////////////////////////////
1236 TopoDS_Shape res;
1237 if (st.IsNull()) {
1238 Message_Msg msg1005("IGES_1005");
1239 SendFail(st, msg1005);
1240 return res;
1241 }
1242
1243 if (st->RepresentationType()==0) {
1244 Message_Msg msg1275("IGES_1275");
1245 SendWarning(st, msg1275);
1246 // Model Space Representation Not Implemented : the result will be the basis surface
1247 }
1248
1249 TopAbs_ShapeEnum shapeEnum;
1250 IGESToBRep_TopoCurve TC(*this);
1251 Handle (IGESData_IGESEntity) igesSrf = st->Surface();
1252 if (igesSrf.IsNull() || !IGESToBRep::IsTopoSurface(igesSrf) ) {
1253 Message_Msg msg166("XSTEP_166");
1254 SendFail( st, msg166);
1255 // Basis Surface Transfer Error : Null IGESEntity.
1256 // Basis Surface Transfer Error : Not Allowed IGESEntity.
1257 return res;
1258 }
1259 gp_Trsf2d trans;
1260 Standard_Real uFact;
1261 TopoDS_Face face;
1262
1263 TopoDS_Shape myshape = ParamSurface(igesSrf, trans, uFact);
1264
1265 if (myshape.IsNull()) {
1266 //#55 rln 24.12.98 UKI60878 entity D593
1267#ifdef DEB
1268 cout << "Fail: IGESToBRep_TopoSurface::TransferBoundedSurface UntrimmedSurface is translated into Null" << endl;
1269#endif
1270 return res;
1271 }
1272 else {
1273 shapeEnum = myshape.ShapeType();
1274 switch (shapeEnum) {
1275 case TopAbs_FACE :
1276 {
1277 face = TopoDS::Face(myshape);
1278 }
1279 break;
1280 case TopAbs_SHELL :
1281 {
1282 TopoDS_Iterator IT(myshape);
1283 Standard_Integer nbfaces = 0;
1284 for (; IT.More(); IT.Next()) {
1285 nbfaces++;
1286 face = TopoDS::Face(IT.Value());
1287 }
1288 //szv#4:S4163:12Mar99 optimized
1289 if (nbfaces != 1) {
1290 Message_Msg msg1156("IGES_1156");
1291 const Standard_CString typeName("basis surface");
1292 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSrf);
1293 msg1156.Arg(typeName);
1294 msg1156.Arg(label);
1295 SendFail(st, msg1156);
1296 // Not Implemented Trimmed Composite Surface.
1297 return myshape;
1298 }
1299 }
1300 break;
1301 default:
1302 {
1303 Message_Msg msg1156("IGES_1156");
1304 const Standard_CString typeName("basis surface");
1305 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(igesSrf);
1306 msg1156.Arg(typeName);
1307 msg1156.Arg(label);
1308 SendFail(st, msg1156);
1309 return res;
1310 }
1311 }
1312 }
1313
1314 face.EmptyCopy();
1315 for (Standard_Integer i = 1; i <= st->NbBoundaries(); i++)
1316 TC.TransferBoundaryOnFace(face, st->Boundary(i), trans, uFact);
1317
1318 BRepTools::Update ( face ); //:p4
1319 //#22 rln 01.06.98 UK3.igs entity 1279
1320// ShapeFix_Face sff ( face );
1321// sff.FixMissingSeam(); //:l1 abv 10 Jan 99: USA60022 7289: fix missing seam
1322// if(sff.FixSmallAreaWire()) { //%14 pdn 24.02,99: USA60293: fix small area wires.
1323// AddFail(st, "Small area wire detected, dropped");
1324// }
1325// sff.FixOrientation();
1326// face = sff.Face();
1327 //%16 pdn 08.04.99
1328 return face;
1329}
1330
1331
1332//=======================================================================
1333//function : TransferPlane
1334//purpose :
1335//=======================================================================
1336
1337TopoDS_Shape IGESToBRep_TopoSurface::TransferPlane
1338 (const Handle(IGESGeom_Plane)& st)
1339{ // Declaration of messages//
1340 // DCE 22/12/98
1341 //Message_Msg msg1005("IGES_1005");
1342 ////////////////////////////////
1343 TopoDS_Shape res;
1344 if (st.IsNull()) {
1345 Message_Msg msg1005("IGES_1005");
1346 SendFail(st, msg1005);
1347 return res;
1348 }
1349
1350 gp_Pln pln;
1351 gp_Trsf trsf;
1352 res = TransferPlaneParts (st, pln,trsf,Standard_True);
1353// res contient (en principe ...) une Face avec eventuellement un Wire
1354// il reste a la mettre en position
1355 if (trsf.Form() != gp_Identity) {
1356 TopLoc_Location loc(trsf);
1357 res.Location(loc);
1358 }
1359 return res;
1360}
1361
1362
1363//=======================================================================
1364//function : TransferPlaneSurface
1365//purpose : this function transferred into IGESToBRep_BasicSurface
1366//=======================================================================
1367
1368
1369//=======================================================================
1370//function : TransferPerforate
1371//purpose :
1372//=======================================================================
1373
1374TopoDS_Shape IGESToBRep_TopoSurface::TransferPerforate
1375 (const Handle(IGESBasic_SingleParent)& st)
1376{ // Declaration of messages//
1377 // DCE 22/12/98
1378 //Message_Msg msg1005("IGES_1005");
1379 ////////////////////////////////
1380 TopoDS_Shape res;
1381 if (st.IsNull()) {
1382 Message_Msg msg1005("IGES_1005");
1383 SendFail(st, msg1005);
1384 return res;
1385 }
1386
1387 //char mess[100];
1388 gp_Pln pln;
1389 gp_Trsf trsf;
1390 DeclareAndCast(IGESGeom_Plane,p0,st->SingleParent());
1391 BRep_Builder B;
1392 if (p0.IsNull()) {
1393 Message_Msg msg206("XSTEP_206");
1394 SendFail(st, msg206);
1395 // SingleParent does not describe a holed face
1396 return res;
1397 }
1398 res = TransferPlaneParts (p0,pln,trsf,Standard_True);
1399//res demarre avec la face et son contour externe
1400 Standard_Integer nb = st->NbChildren();
1401 for (Standard_Integer i = 1; i <= nb; i ++) {
1402 DeclareAndCast(IGESGeom_Plane,pi,st->Child(i));
1403 if (pi.IsNull()) {
1404 Message_Msg msg1285("IGES_1285");
1405 msg1285.Arg(i);
1406 // A child is not a Plane, skipped, n0 %d
1407 SendWarning(st,msg1285);
1408 continue;
1409 }
1410 gp_Pln pli;
1411 gp_Trsf trsi;
1412 TopoDS_Shape wire = TransferPlaneParts (pi,pli,trsi,Standard_False);
1413// si ce n est pas un Wire, sauter
1414 if (wire.ShapeType() != TopAbs_WIRE) {
1415 Message_Msg msg1156("IGES_1156");
1416 const Standard_CString typeName("hole");
1417 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(pi);
1418 msg1156.Arg(typeName);
1419 msg1156.Arg(label);
1420 SendWarning(st, msg1156);
1421 // A hole could not be transferred, skipped, n0 %d
1422 continue;
1423 }
1424// coplanaires ? verifier
1425 if (!pln.Position().IsCoplanar(pli.Position(),GetEpsGeom(),GetEpsilon())) {
1426 Message_Msg msg1295("IGES_1295");
1427 msg1295.Arg(i);
1428 SendWarning(st,msg1295);
1429 // "A hole is not well coplanar to the face, n0 %d",i);
1430 }
1431// Ne pas oublier de composer la transformation locale a ce Wire
1432 if (trsi.Form() != gp_Identity) {
1433 TopLoc_Location locw(trsi);
1434 wire.Location(locw);
1435 }
1436 B.Add (res,wire);
1437 }
1438// Enfin, appliquer la trsf globale
1439 if (trsf.Form() != gp_Identity) {
1440 TopLoc_Location loc(trsf);
1441 res.Location(loc);
1442 }
1443 return res;
1444}
1445
1446
1447//=======================================================================
1448//function : TransferPlaneParts
1449//purpose :
1450//=======================================================================
1451TopoDS_Shape IGESToBRep_TopoSurface::TransferPlaneParts(const Handle(IGESGeom_Plane)& st,
1452 gp_Pln& pln,
1453 gp_Trsf& trsf,
1454 const Standard_Boolean first)
1455{ // Declaration of messages//
1456 // DCE 22/12/98
1457 //Message_Msg msg1005("IGES_1005");
1458 ////////////////////////////////
1459 TopoDS_Shape res;
1460 if (st.IsNull()) {
1461 Message_Msg msg1005("IGES_1005");
1462 SendFail(st, msg1005);
1463 return res;
1464 }
1465
1466 Standard_Real a, b, c, d;
1467 // equation de Geom : ax + by + cz + d = 0.0;
1468 // equation de IGES : ax + by + cz = d;
1469 st->Equation(a, b, c, d);
1470 pln = gp_Pln(a, b, c, -d);
1471
1472 TopoDS_Face plane;
1473 TopoDS_Wire wire;
1474 BRep_Builder B;
1475 if (first) {
1476 B.MakeFace(plane); // Just to create a empty Plane with a Tshape.
1477 Handle (Geom_Plane) geomPln = new Geom_Plane(pln);
1478 geomPln->Scale(gp_Pnt(0,0,0),GetUnitFactor());
1479// ATTENTION, ici on CALCULE la trsf, on ne l`applique pas ...
1480 //S4054: B.UpdateFace (plane, geomPln, TopLoc_Location(),
1481 //GetEpsGeom()*GetUnitFactor());
1482 B.UpdateFace (plane, geomPln, TopLoc_Location(), Precision::Confusion());
1483 //:3 by ABV 5 Nov 97: set Infinite() flag (see below for unsetting)
1484 plane.Infinite ( Standard_True ); //:3
1485 }
1486
1487// ATTENTION, ici on CALCULE la trsf, on ne l'appliquera qu'a la fin !
1488 if (st->HasTransf()) {
1489 SetEpsilon(1.E-04);
1490 if (!IGESData_ToolLocation::ConvertLocation
1491 (GetEpsilon(), st->CompoundLocation(),trsf,GetUnitFactor())) {
1492 Message_Msg msg1035("IGES_1035");
1493 SendWarning(st,msg1035); // Transformation : not a similarity
1494 }
1495 }
1496
1497 if (st->HasBoundingCurve()) {
1498 IGESToBRep_TopoCurve TC(*this);
1499 Handle(IGESData_IGESEntity) crv = st->BoundingCurve();
1500
1501 if (crv.IsNull()) {
1502 Message_Msg msg1300("IGES_1300");
1503 SendWarning(st,msg1300);
1504 //:4 by ABV 5 Nov 97: plane cannot be trimmed - let it be infinite
1505 //:4 NOTE: NB "else"
1506 //:4 return res;
1507 }
1508 else //:4
1509
1510 if (IGESToBRep::IsTopoCurve(crv)) {
1511 gp_Trsf trans;
1512 if (crv->IsKind(STANDARD_TYPE(IGESGeom_CurveOnSurface))) {
1513 DeclareAndCast(IGESGeom_CurveOnSurface, crv142, crv);
45c0ba36 1514 TopoDS_Shape myshape = TC.TransferCurveOnFace (plane, crv142, trans, TheULength, Standard_False);
1515
7fd59977 1516 //:3 by ABV 5 Nov 97: set plane to be finite
1517 if ( first ) {
1518 TopExp_Explorer ws ( plane, TopAbs_WIRE );
1519 if ( ws.More() ) plane.Infinite ( Standard_False );
1520 }
1521 }
1522 else {
1523 TopoDS_Shape shape = TC.TransferTopoCurve(crv);
1524 TopAbs_ShapeEnum shapeEnum = shape.ShapeType();
1525 switch (shapeEnum) {
1526 case TopAbs_EDGE :
1527 {
1528 TopoDS_Edge edge = TopoDS::Edge(shape);
1529 Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData;
1530 sewd->Add(edge);
1531 wire = sewd->Wire();
1532 }
1533 break;
1534 case TopAbs_WIRE :
1535 {
1536 wire = TopoDS::Wire(shape);
1537 }
1538 break;
1539 default:
1540 {
1541 Message_Msg msg1156("IGES_1156");
1542 const Standard_CString typeName("Bounding curve");
1543 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(crv);
1544 msg1156.Arg(typeName);
1545 msg1156.Arg(label);
1546 SendWarning(st, msg1156);
1547 if (first) res = plane;
1548 else res = wire;
1549 return res;
1550 }
1551 }
1552 //S4054 CTS18953 entity 14
1553 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
1554 sfw->Load (wire);
1555 sfw->FixConnected (GetMaxTol());
1556 wire = sfw->Wire();
1557 BRepLib_MakeFace MF(pln, wire, Standard_False);
1558 if (!MF.IsDone()) {
1559 // AddFail(st, "Plane Construction Error.");
1560 return res;
1561 }
1562
1563 TopoDS_Face F = MF.Face();
1564 GProp_GProps G;
1565 BRepGProp::SurfaceProperties(F,G);
1566 if (G.Mass() < 0) {
1567 if(!st->HasBoundingCurveHole())
1568 wire.Reverse();
1569 }
1570 else
1571 if( st->HasBoundingCurveHole())
1572 wire.Reverse();
1573 //:3 by ABV 5 Nov 97: set plane to be finite
1574 //:3 if (first) B.Add (plane,wire);
1575 if ( first ) {
1576 B.Add ( plane, wire );
1577 plane.Infinite ( Standard_False );
1578 }
1579 //BRepLib_MakeFace MP(pln, wire);
1580 //plane = MP.Face();
1581 }
1582 }
1583 else {
1584 Message_Msg msg1156("IGES_1156");
1585 const Standard_CString typeName("Bounding curve");
1586 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(crv);
1587 msg1156.Arg(typeName);
1588 msg1156.Arg(label);
1589 SendWarning(st, msg1156);
1590 // Plane Cannot Be Trimmed.
1591 }
1592 }
1593
1594 if (first) res = plane;
1595 else res = wire;
1596 return res;
1597}
1598
1599
1600//=======================================================================
1601//function : ParamSurface
1602//purpose :
1603//=======================================================================
1604TopoDS_Shape IGESToBRep_TopoSurface::ParamSurface(const Handle(IGESData_IGESEntity)& st,
1605 gp_Trsf2d& trans,
1606 Standard_Real& uFact)
1607{ // Declaration of messages//
1608 // DCE 22/12/98
1609 //Message_Msg msg1005("IGES_1005");
1610 ////////////////////////////////
1611
1612 TopoDS_Shape res;
1613
1614 TopoDS_Shape basisSurface = TransferTopoSurface(st);
1615 Standard_Real uscale = 1.;
1616 Standard_Real cscale = TheULength;
1617 if (basisSurface.IsNull()) {
1618 Message_Msg msg1005("IGES_1005");
1619 SendFail(st, msg1005);
1620 return res;
1621 }
1622
1623 TopAbs_ShapeEnum shapeEnum;
1624 shapeEnum = basisSurface.ShapeType();
1625 TopoDS_Face face;
1626 switch (shapeEnum) {
1627 case TopAbs_FACE :
1628 {
1629 face = TopoDS::Face(basisSurface);
1630 break;
1631 }
1632 case TopAbs_SHELL :
1633 {
1634 TopoDS_Iterator IT(basisSurface);
1635 Standard_Integer nbfaces = 0;
1636 for (; IT.More(); IT.Next()) {
1637 nbfaces++;
1638 face = TopoDS::Face(IT.Value());
1639 }
1640 //szv#4:S4163:12Mar99 optimized
1641 if (nbfaces != 1) {
1642 Message_Msg msg1156("IGES_1156");
1643 const Standard_CString typeName("basis surface");
1644 Handle(TCollection_HAsciiString) label = GetModel()->StringLabel(st);
1645 msg1156.Arg(typeName);
1646 msg1156.Arg(label);
1647 SendWarning(st, msg1156);
1648 return basisSurface;
1649 }
1650 }
1651 break;
1652 default:
1653 {
1654 //AddFail(st, "Basis Surface Transfer Error.");
1655 return res;
1656 }
1657 }
1658
1659 //S4181 pdn 19.04.99 defining shift of parametric space on base
1660 // of CAS.CADE type of surface
1661 Standard_Real paramu = 0., paramv = 0.;
1662 TopLoc_Location L;
1663 TopoDS_Edge theedge;
1664 Handle(Geom_Surface) Surf = BRep_Tool::Surface(face);
1665
1666 if (Surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
1667 DeclareAndCast(Geom_RectangularTrimmedSurface, rectang, Surf);
1668 Surf = rectang->BasisSurface();
1669 }
1670
1671 if ((Surf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) ||
1672 (Surf->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) ||
1673 (Surf->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))) ||
1674 (Surf->IsKind(STANDARD_TYPE(Geom_SphericalSurface)))) {
1675 TopExp_Explorer TE;
1676 for ( TE.Init(face,TopAbs_EDGE); TE.More(); TE.Next()){
1677 TopoDS_Edge myedge = TopoDS::Edge(TE.Current());
1678 Standard_Real First, Last;
1679 Handle(Geom2d_Curve) Curve2d = BRep_Tool::CurveOnSurface
1680 (myedge, face, First, Last);
1681 if ( Curve2d->IsKind(STANDARD_TYPE(Geom2d_Line))) {
1682 DeclareAndCast(Geom2d_Line, Line2d, Curve2d);
1683 if (Line2d->Direction().IsParallel(gp::DY2d(),Precision::Angular())){
1684 theedge = myedge;
1685 break;
1686 }
1687 }
1688 }
1689
1690 Standard_Real First, Last;
1691 Handle(Geom_Curve) Curve3d = BRep_Tool::Curve(theedge, First, Last);
1692 if (Precision::IsNegativeInfinite(First)) First = 0.;
1693
1694 if (Surf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))){
1695 DeclareAndCast(Geom_CylindricalSurface, Cyl, Surf);
1696 gp_Cylinder TheCyl = Cyl->Cylinder();
1697 ElSLib::CylinderParameters(TheCyl.Position(),
1698 TheCyl.Radius(),
1699 Curve3d->Value(First), paramu , paramv );
1700 }
1701
1702 else if (Surf->IsKind(STANDARD_TYPE(Geom_ConicalSurface))){
1703 DeclareAndCast(Geom_ConicalSurface, Cone, Surf);
1704 gp_Cone TheCone = Cone->Cone();
1705 ElSLib::ConeParameters(TheCone.Position(),
1706 TheCone.RefRadius(),
1707 TheCone.SemiAngle(),
1708 Curve3d->Value(First), paramu , paramv );
1709 }
1710
1711 else if (Surf->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))){
1712 DeclareAndCast(Geom_ToroidalSurface, Tore, Surf);
1713 gp_Torus TheTore = Tore->Torus();
1714 ElSLib::TorusParameters(TheTore.Position(),
1715 TheTore.MajorRadius(),
1716 TheTore.MinorRadius(),
1717 Curve3d->Value(First), paramu , paramv );
1718 }
1719 else if (Surf->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) &&
1720 //: abv 18.06.02: loopback on s1.brep BRep mode, face 32 - the spherical surface (192)
1721 //: in IGES is from [-90,90] by V, i.e. similar to OCC, thus only scaling is enough
1722 ! st->IsKind (STANDARD_TYPE(IGESSolid_SphericalSurface)) ) {
1723 DeclareAndCast(Geom_SphericalSurface, Sphere, Surf);
1724 gp_Sphere TheSphere = Sphere->Sphere();
1725 ElSLib::SphereParameters(TheSphere.Position(),
1726 TheSphere.Radius(),
1727 Curve3d->Value(First), paramu , paramv );
1728 }
1729
1730 //#88 rln 06.04.99 CTS60168, BLEND.IGS entity 68
1731 //Generatrix is Transformed Circular Arc. When creating CAS.CADE surface parameterization
1732 //has changed.
1733 if (st->IsKind (STANDARD_TYPE (IGESGeom_SurfaceOfRevolution))) {
1734 DeclareAndCast (IGESGeom_SurfaceOfRevolution, revol, st);
1735 Handle(IGESData_IGESEntity) generatrix = revol->Generatrix();
1736 if (generatrix->IsKind (STANDARD_TYPE (IGESGeom_CircularArc))) {
1737 DeclareAndCast (IGESGeom_CircularArc, circ, generatrix);
1738 gp_Pnt2d startpoint = circ->StartPoint();
1739 paramv -= ElCLib::Parameter (gp_Circ2d (gp_Ax2d (circ->Center(), gp_Dir2d(1,0)), circ->Radius()), startpoint);
1740 if (Surf->IsKind (STANDARD_TYPE(Geom_SphericalSurface)))
c6541a0c 1741 paramv += ShapeAnalysis::AdjustToPeriod(paramv, - M_PI, M_PI);
7fd59977 1742 else if (Surf->IsKind (STANDARD_TYPE(Geom_ToroidalSurface)))
c6541a0c 1743 paramv += ShapeAnalysis::AdjustToPeriod(paramv, 0, M_PI * 2);
7fd59977 1744 }
1745 }
1746 else if (st->IsKind (STANDARD_TYPE (IGESGeom_TabulatedCylinder))) {
1747 DeclareAndCast (IGESGeom_TabulatedCylinder, cylinder, st);
1748 Handle(IGESData_IGESEntity) directrix = cylinder->Directrix();
1749 if (directrix->IsKind (STANDARD_TYPE (IGESGeom_CircularArc))) {
1750 DeclareAndCast (IGESGeom_CircularArc, circ, directrix);
1751 gp_Pnt2d startpoint = circ->StartPoint();
1752 paramu -= ElCLib::Parameter (gp_Circ2d (gp_Ax2d (circ->Center(), gp_Dir2d(1,0)), circ->Radius()), startpoint);
c6541a0c 1753 paramu += ShapeAnalysis::AdjustToPeriod(paramu, 0, M_PI * 2);
7fd59977 1754 }
1755 }
1756
1757 }
1758
1759 if ( Abs(paramu) <= Precision::Confusion()) paramu = 0.;
1760 if ( Abs(paramv) <= Precision::Confusion()) paramv = 0.;
1761
1762 //S4181 pdn 16.04.99 computation of transformation depending on
1763 //IGES Type of surface
1764 Handle(IGESData_IGESEntity) isrf = st;
1765 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_OffsetSurface))){
1766 DeclareAndCast(IGESGeom_OffsetSurface, offsurf, isrf);
1767 isrf = offsurf->Surface();
1768 }
1769 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_SurfaceOfRevolution))) {
1770 DeclareAndCast(IGESGeom_SurfaceOfRevolution, st120, isrf);
1771 //S4181 pdn 19.04.99 defining transformation matrix
1772 gp_Trsf2d tmp;
c6541a0c 1773 tmp.SetTranslation(gp_Vec2d (0, -2 * M_PI));
7fd59977 1774 trans.PreMultiply(tmp);
1775 tmp.SetMirror(gp::OX2d());
1776 trans.PreMultiply(tmp);
1777 tmp.SetMirror(gp_Ax2d (gp::Origin2d(), gp_Dir2d (1.,1.)));
1778 trans.PreMultiply(tmp);
1779 uscale = 1./cscale;
1780 //#30 rln 19.10.98
1781 //CAS.CADE SA = 2*PI - IGES TA
1782 //paramu = st120->StartAngle();
c6541a0c 1783 paramu = -(2 * M_PI - st120->EndAngle());
7fd59977 1784 }
1785 else
1786 paramu = 0.;
1787
1788 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_RuledSurface))) {
1789 uscale = 1./cscale;
1790 }
1791
1792 // corrected skl 13.11.2001 for BUC61054
1793 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_TabulatedCylinder))) {
1794 Handle(IGESGeom_TabulatedCylinder) igtc = Handle(IGESGeom_TabulatedCylinder)::DownCast(isrf);
1795 Handle(IGESData_IGESEntity) idie = igtc->Directrix();
1796 Standard_Real uln=1;
a9da59ff 1797 Standard_Real Umin,Umax,Vmin,Vmax;
1798 //scaling parameterization from [0,1]
1799 Surf->Bounds(Umin,Umax,Vmin,Vmax);
1800 uln = Abs(Umax-Umin);
1801 //computing shift of pcurves
7fd59977 1802 uscale = uln/cscale;
a9da59ff 1803 paramu = Umin/uln;
7fd59977 1804 }
1805
1806 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_CylindricalSurface))||
1807 isrf->IsKind(STANDARD_TYPE(IGESSolid_ConicalSurface))) {
c6541a0c 1808 uscale = M_PI/180.;
7fd59977 1809 }
1810
1811 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_SphericalSurface))) {
c6541a0c 1812 cscale = M_PI/180.;
7fd59977 1813 uscale = 1.;
1814 }
1815
1816 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_ToroidalSurface))) {
1817 gp_Trsf2d tmp;
1818 tmp.SetTranslation(gp_Vec2d (0, -360.)); // in IGES terms
1819 trans.PreMultiply(tmp);
1820 tmp.SetMirror(gp::OX2d());
1821 trans.PreMultiply(tmp);
1822 tmp.SetMirror(gp_Ax2d (gp::Origin2d(), gp_Dir2d (1.,1.)));
1823 trans.PreMultiply(tmp);
1824 if(paramv > 0)
c6541a0c
D
1825 paramv = paramv*180./M_PI;
1826 cscale = M_PI/180.;
7fd59977 1827 uscale = 1.;
1828 }
1829
1830 gp_Trsf2d tmp;
1831 tmp.SetTranslation(gp_Pnt2d(0.,0.), gp_Pnt2d(paramu,paramv));
1832 trans.PreMultiply(tmp);
1833
1834 tmp.SetScale(gp_Pnt2d(0,0),cscale);
1835 trans.PreMultiply(tmp);
1836 uFact = uscale;
1837 return face;
1838}
1839