1 // Copyright (c) 1999-2012 OPEN CASCADE SAS
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.
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.
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.
18 //=======================================================================
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 //=======================================================================
36 #include <IGESToBRep_TopoSurface.ixx>
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>
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>
58 #include <GProp_GProps.hxx>
60 #include <GeomAbs_Shape.hxx>
62 #include <Geom2d_Line.hxx>
63 #include <Geom2d_Curve.hxx>
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>
77 #include <IGESData_IGESEntity.hxx>
78 #include <IGESData_ToolLocation.hxx>
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>
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>
93 #include <Interface_Macros.hxx>
95 #include <gp_GTrsf.hxx>
97 #include <Precision.hxx>
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>
110 #include <TopExp.hxx>
111 #include <TopExp_Explorer.hxx>
113 #include <TopLoc_Location.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>
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>
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>
145 #include <Message_Msg.hxx>
146 #include <IGESData_IGESModel.hxx>
148 #include <IGESGeom_CircularArc.hxx>
149 #include <ElCLib.hxx>
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>
159 //=======================================================================
160 //function : IGESToBRep_TopoSurface
162 //=======================================================================
164 IGESToBRep_TopoSurface::IGESToBRep_TopoSurface()
165 :IGESToBRep_CurveAndSurface()
170 //=======================================================================
171 //function : IGESToBRep_TopoSurface
173 //=======================================================================
175 IGESToBRep_TopoSurface::IGESToBRep_TopoSurface
176 (const IGESToBRep_CurveAndSurface& CS)
177 :IGESToBRep_CurveAndSurface(CS)
182 //=======================================================================
183 //function : IGESToBRep_TopoSurface
185 //=======================================================================
187 IGESToBRep_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)
199 static Standard_Boolean extractCurve3d (const TopoDS_Shape& theEdges,
200 Handle(Geom_Curve)& theCurve)
202 TopExp_Explorer anExp(theEdges, TopAbs_EDGE);
203 Standard_Integer howMuch = 0;
205 for (; anExp.More(); anExp.Next()) {
206 TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
210 theCurve = BRep_Tool::Curve(anEdge, f, l);
212 if ( howMuch != 1 || theCurve.IsNull() )
213 return Standard_False;
215 if ( f != theCurve->FirstParameter() || l != theCurve->LastParameter() )
216 theCurve = new Geom_TrimmedCurve ( theCurve, f, l );
217 return Standard_True;
221 //=======================================================================
222 //function : TransferTopoSurface
224 //=======================================================================
226 TopoDS_Shape IGESToBRep_TopoSurface::TransferTopoSurface
227 (const Handle(IGESData_IGESEntity)& st)
228 { // Declaration of messages//
230 //Message_Msg msg1005("IGES_1005");
231 ////////////////////////////
237 Message_Msg msg1005("IGES_1005");
238 SendFail(st, msg1005);
240 ////modified by jgv, 20.11.2009 for OCC21487///
241 else if (HasShapeResult(st))
243 res = GetShapeResult(st);
246 ///////////////////////////////////////////////
247 else if (IGESToBRep::IsBasicSurface(st)) {
248 res = TransferTopoBasicSurface(st);
250 else if (st->IsKind(STANDARD_TYPE(IGESGeom_TrimmedSurface))) {
251 DeclareAndCast(IGESGeom_TrimmedSurface, st144, st);
252 res = TransferTrimmedSurface(st144);
254 else if (st->IsKind(STANDARD_TYPE(IGESGeom_SurfaceOfRevolution))) {
255 DeclareAndCast(IGESGeom_SurfaceOfRevolution, st120, st);
256 res = TransferSurfaceOfRevolution(st120);
258 else if (st->IsKind(STANDARD_TYPE(IGESGeom_TabulatedCylinder))) {
259 DeclareAndCast(IGESGeom_TabulatedCylinder, st122, st);
260 res = TransferTabulatedCylinder(st122);
262 else if (st->IsKind(STANDARD_TYPE(IGESGeom_RuledSurface))) {
263 DeclareAndCast(IGESGeom_RuledSurface, st118, st);
264 res = TransferRuledSurface(st118);
266 else if (st->IsKind(STANDARD_TYPE(IGESGeom_Plane))) {
267 DeclareAndCast(IGESGeom_Plane, st108, st);
268 res = TransferPlane(st108);
270 else if (st->IsKind(STANDARD_TYPE(IGESGeom_BoundedSurface))) {
271 DeclareAndCast(IGESGeom_BoundedSurface, st143, st);
272 res = TransferBoundedSurface(st143);
274 else if (st->IsKind(STANDARD_TYPE(IGESGeom_OffsetSurface))) {
275 DeclareAndCast(IGESGeom_OffsetSurface, st140, st);
276 res = TransferOffsetSurface(st140);
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
284 // AddFail(st, "The IGESEntity is not a Topologic Surface.");
286 SetShapeResult (st, res);
290 //=======================================================================
291 //function : TransferTopoBasicSurface
293 //=======================================================================
295 TopoDS_Shape IGESToBRep_TopoSurface::TransferTopoBasicSurface
296 (const Handle(IGESData_IGESEntity)& st)
297 { // Declaration of messages//
299 //Message_Msg msg1005("IGES_1005");
300 ////////////////////////////
305 Message_Msg msg1005("IGES_1005");
306 SendFail(st, msg1005);
309 if (!IGESToBRep::IsBasicSurface(st)) {
310 // AddFail(st, "BasicSurface Transfer Error : Not Allowed IGESEntity"); This message can not occur.
314 IGESToBRep_BasicSurface BS(*this);
316 Handle(Geom_Surface) surf = BS.TransferBasicSurface(st);
318 // AddFail(st, "Surface Conversion Error"); Messages have ever been Added in the called function.
322 //#9 rln 26/02/98 UKI60106
323 if (surf->Continuity() < GeomAbs_C1) {
324 Message_Msg msg1250("IGES_1250");
325 SendWarning(st, msg1250);
327 if(surf->IsKind(STANDARD_TYPE(Geom_Plane))){
331 B.UpdateFace(plane, surf, TopLoc_Location(), Precision::Confusion());
335 BRepLib_MakeFace makeFace(surf, Precision::Confusion());
336 res = makeFace.Face();
339 if (st->HasTransf()) {
342 if (IGESData_ToolLocation::ConvertLocation
343 (GetEpsilon(),st->CompoundLocation(),trsf,GetUnitFactor())) {
344 TopLoc_Location locFace(trsf);
348 Message_Msg msg1035("IGES_1035");
349 SendWarning(st, msg1035);
356 //=======================================================================
357 //function : TransferRuledSurface
359 //=======================================================================
360 static void reparamBSpline(Handle(Geom_Curve)& curve,
361 const Standard_Real First,
362 const Standard_Real Last)
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);
371 bscurve = Handle (Geom_BSplineCurve)::DownCast (curve);
372 bscurve->Segment (First, Last);
375 if (bscurve.IsNull())
378 TColStd_Array1OfReal Knots(1, bscurve->NbKnots());
379 bscurve->Knots(Knots);
380 BSplCLib::Reparametrize (0., 1., Knots);
381 bscurve->SetKnots(Knots);
385 static void ReparamCurve(TopoDS_Edge& edge)
388 Standard_Real First, Last;
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;
394 reparamBSpline( curve, First, Last );
397 B.UpdateEdge ( edge, curve, L, Precision::Confusion() );
398 B.Range ( edge, 0., 1 );
402 //=======================================================================
403 //function : TransferRuledSurface
405 //=======================================================================
407 TopoDS_Shape IGESToBRep_TopoSurface::TransferRuledSurface
408 (const Handle(IGESGeom_RuledSurface)& st)
409 { // Declaration of messages//
411 //Message_Msg msg1005("IGES_1005");
412 ////////////////////////////////
416 Message_Msg msg1005("IGES_1005");
417 SendFail(st, msg1005);
421 IGESToBRep_TopoCurve TC(*this);
423 TC.SetContinuity (0);
424 Handle(IGESData_IGESEntity) igesCurve1 = st->FirstCurve();
425 Handle(IGESData_IGESEntity) igesCurve2 = st->SecondCurve();
427 if (igesCurve1.IsNull()) {
428 Message_Msg msg148("XSTEP_148");
429 SendFail(st, msg148); // Curve Reading Error : Null IGESEntity
432 if (igesCurve2.IsNull()) {
433 Message_Msg msg149("XSTEP_149");
434 SendFail(st, msg149); // Curve Reading Error : Null IGESEntity
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
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);
452 SendFail(st, msg1156);
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);
476 // Message_Msg msg1250("IGES_1250");
477 // SendWarning (st, msg1250); // RuledSurface was built with continuity C0
481 TopAbs_ShapeEnum shapeEnum1 = shape1.ShapeType();
482 switch (shapeEnum1) {
485 TopoDS_Edge edge1 = TopoDS::Edge(shape1);
492 wire1 = TopoDS::Wire(shape1);
494 for (TopoDS_Iterator hulot(wire1); hulot.More(); hulot.Next()) {
495 TopoDS_Edge edge1 = TopoDS::Edge(hulot.Value());
503 // AddFail(st, "Curve Conversion Error."); This message can not occur.
506 //break; //szv#4:S4163:12Mar99 unreachable
510 Message_Msg msg148("XSTEP_148");
511 SendFail(st, msg148);
512 // Curve Type not Allowed.
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
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);
527 SendFail(st, msg1156);
528 // Curve Conversion Error.
531 Standard_Integer dirflag = st->DirectionFlag ();
532 // if (dirflag == 1){ // gka BUC60685
537 TopAbs_ShapeEnum shapeEnum2 = shape2.ShapeType();
538 switch (shapeEnum2) {
541 TopoDS_Edge edge2 = TopoDS::Edge(shape2);
550 wire2 = TopoDS::Wire(shape2);
552 for (TopoDS_Iterator cousto(wire2); cousto.More(); cousto.Next()) {
553 TopoDS_Edge edge2 = TopoDS::Edge(cousto.Value());
557 if (dirflag == 1) { //gka BUC60685
558 Handle(ShapeExtend_WireData) sewd2 = new ShapeExtend_WireData;
561 wire2 = sewd2->Wire();
567 // AddFail(st, "Curve Conversion Error.");
570 //break; //szv#4:S4163:12Mar99 unreachable
574 Message_Msg msg149("XSTEP_149");
575 SendFail(st, msg149);
576 // Curve Type not Allowed
581 if (nbEdges1 != nbEdges2) {
583 Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData;
585 wire1 = sewd1->Wire();
587 else if (nbEdges2 == 1) {
588 Handle(ShapeExtend_WireData) sewd2 = new ShapeExtend_WireData;
590 wire2 = sewd2->Wire();
593 if (!st->IsRuledByParameter()) {
594 // AddWarning (st,"Compute by parametric constant ratio");
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);
602 nbEdges1 = 2; // a number > 1
605 else if (nbEdges1 != 1) {
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);
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;
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);
633 bscurve = Handle (Geom_BSplineCurve)::DownCast (curve);
634 bscurve->Segment (First, Last);
636 TColStd_Array1OfReal Knots(1, bscurve->NbKnots());
637 bscurve->Knots(Knots);
638 BSplCLib::Reparametrize (0., 1., Knots);
639 bscurve->SetKnots(Knots);
642 B.UpdateEdge ( edge, bscurve, L, Precision::Confusion() );
643 B.Range ( edge, 0., 1 );
644 if ( i ==1 ) shape1 = edge;
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);
656 res = BRepFill::Shell(newWire1, newWire2);
659 Message_Msg msg1255("IGES_1255");// "Ruled Surface Construction Error");
660 SendFail(st, msg1255);
665 if (st->HasTransf()) {
668 if (IGESData_ToolLocation::ConvertLocation
669 (GetEpsilon(),st->CompoundLocation(), trsf,GetUnitFactor())) {
670 TopLoc_Location shapeLoc(trsf);
674 Message_Msg msg1035("IGES_1035");
675 SendWarning(st,msg1035); // Transformation : not a similarity
682 //=======================================================================
683 //function : TransferSurfaceOfRevolution
685 //=======================================================================
687 TopoDS_Shape IGESToBRep_TopoSurface::TransferSurfaceOfRevolution
688 (const Handle(IGESGeom_SurfaceOfRevolution)& st)
689 { // Declaration of messages//
691 //Message_Msg msg1005("IGES_1005");
692 ////////////////////////////////
695 Message_Msg msg1005("IGES_1005");
696 SendFail(st, msg1005);
700 IGESToBRep_TopoCurve TC(*this);
701 IGESToBRep_BasicCurve BC(*this);
702 Handle(IGESData_IGESEntity) igesGeneratrix = st->Generatrix();
703 Handle(IGESGeom_Line) igesAxis = st->AxisOfRevolution();
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.
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();
720 if (igesAxis.IsNull()) {
721 Message_Msg msg152("XSTEP_152");
722 SendFail(st, msg152);
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);
735 SendFail(st, msg1156);
736 // Generatrix Conversion Error.
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)));
752 Standard_Real startAngle = 2 * M_PI - st->EndAngle();
753 Standard_Real endAngle = 2 * M_PI - st->StartAngle();
754 Standard_Real deltaAngle = endAngle - startAngle;
755 Standard_Boolean IsFullAngle = ( deltaAngle > 2.*M_PI-Precision::PConfusion() );
756 if (IsFullAngle) deltaAngle = 2.*M_PI; // ** CKY 18-SEP-1996
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);
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;
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
783 if (!aResultSurf.IsNull()) {
784 BRepBuilderAPI_MakeFace aMakeF(aResultSurf, Precision::Confusion());
785 if (aMakeF.IsDone()) res = aMakeF.Face();
789 catch (Standard_Failure) {
791 cout << "Warning: IgesToBRep_TopoSurface::TransferSurfaceOfRevolution(): exception by Geom: ";
792 Standard_Failure::Caught()->Print ( cout ); cout << endl;
797 if ( res.IsNull() ) {
800 BRepPrimAPI_MakeRevol revol(generatrix, revolAxis, deltaAngle);
801 //mjm: si debug IsDone()est fait :
802 // if (!revol.IsDone()) {
803 // AddFail(st, "Revol Construction Error.");
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);
817 if (st->HasTransf()) {
820 if (IGESData_ToolLocation::ConvertLocation
821 (GetEpsilon(), st->CompoundLocation(), trsf, GetUnitFactor())) {
822 TopLoc_Location shapeLoc(trsf);
826 Message_Msg msg1035("IGES_1035");
827 SendWarning(st,msg1035); // Transformation : not a similarity
835 //=======================================================================
836 //function : TransferTabulatedCylinder
838 //=======================================================================
840 TopoDS_Shape IGESToBRep_TopoSurface::TransferTabulatedCylinder
841 (const Handle(IGESGeom_TabulatedCylinder)& st)
842 { // Declaration of messages//
844 //Message_Msg msg1005("IGES_1005");
845 ////////////////////////////////
848 Message_Msg msg1005("IGES_1005");
849 SendFail(st, msg1005);
853 IGESToBRep_TopoCurve TC(*this);
854 // TopoDS_Edge firstEdge;//commented by rln on 02/12/97
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
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);
874 SendFail(st, msg1156);
875 // Directrix Conversion Error.
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());
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
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;
901 if (extractCurve3d(directrix, aBasisCurve)) {
902 gp_Vec dir (pt1, pt2);
903 Handle(Geom_Surface) aResultSurf =
904 new Geom_SurfaceOfLinearExtrusion(aBasisCurve, dir);
905 if (!aResultSurf.IsNull()) {
907 new Geom_RectangularTrimmedSurface(aResultSurf,
908 aBasisCurve->FirstParameter(),
909 aBasisCurve->LastParameter(),
910 0., dir.Magnitude() );
911 BRepBuilderAPI_MakeFace aMakeF(aResultSurf, Precision::Confusion());
912 if (aMakeF.IsDone()) res = aMakeF.Face();
916 catch (Standard_Failure) {
918 cout << "Warning: IgesToBRep_TopoSurface::TransferTabulatedCylinder(): exception by Geom: ";
919 Standard_Failure::Caught()->Print ( cout ); cout << endl;
924 if ( res.IsNull() ) {
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.");
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()) {
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);
952 if (st->HasTransf()) {
955 if (IGESData_ToolLocation::ConvertLocation
956 (GetEpsilon(),st->CompoundLocation(), trsf, GetUnitFactor())) {
957 TopLoc_Location shapeLoc(trsf);
961 Message_Msg msg1035("IGES_1035");
962 SendWarning(st,msg1035); // Transformation : not a similarity
969 //=======================================================================
970 //function : TransferOffsetSurface
972 //=======================================================================
974 TopoDS_Shape IGESToBRep_TopoSurface::TransferOffsetSurface
975 (const Handle(IGESGeom_OffsetSurface)& st)
976 { // Declaration of messages//
978 //Message_Msg msg1005("IGES_1005");
979 ////////////////////////////////
982 Message_Msg msg1005("IGES_1005");
983 SendFail(st, msg1005);
987 TopoDS_Shape igesShape;
989 TopLoc_Location basisLoc;
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
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);
1007 SendFail(st, msg1156); // Basis Surface Conversion Error.
1011 TopAbs_ShapeEnum shapeEnum = igesShape.ShapeType();
1012 switch (shapeEnum) {
1015 face = TopoDS::Face(igesShape);
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());
1026 /* else AddF("... */
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);
1035 SendFail(st, msg1156); // Basis Surface Conversion Error.
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;
1049 if (geomSupport->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
1050 DeclareAndCast(Geom_OffsetSurface, geom140, geomSupport);
1051 geom140->SetOffsetValue(basisSrf->Offset() +
1052 st->Distance()*GetUnitFactor());
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.
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.
1072 Message_Msg msg1267("IGES_1267");
1073 SendWarning(st, msg1267);//Basis surface is C0-continuous but was corrected to C1-continuous
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.
1095 basisSrf = new Geom_OffsetSurface(geomSupport, st->Distance()*GetUnitFactor());
1098 BRepLib_MakeFace MF(basisSrf, Precision::Confusion());
1100 Message_Msg msg1265("IGES_1265");
1101 SendFail(st, msg1265); // OffsetSurface Construction Error.
1107 if (st->HasTransf()) {
1110 if (IGESData_ToolLocation::ConvertLocation
1111 (GetEpsilon(),st->CompoundLocation(),trsf, GetUnitFactor())) {
1112 TopLoc_Location loc2(trsf);
1116 Message_Msg msg1035("IGES_1035");
1117 SendWarning(st,msg1035); // Transformation : not a similarity
1124 //=======================================================================
1125 //function : TransferTrimmedSurface
1127 //=======================================================================
1129 TopoDS_Shape IGESToBRep_TopoSurface::TransferTrimmedSurface
1130 (const Handle(IGESGeom_TrimmedSurface)& st)
1131 { // Declaration of messages//
1133 //Message_Msg msg1005("IGES_1005");
1134 ////////////////////////////////
1137 Message_Msg msg1005("IGES_1005");
1138 SendFail(st, msg1005);
1142 TopAbs_ShapeEnum shapeEnum;
1143 IGESToBRep_TopoCurve TC(*this);
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.
1154 Standard_Real uFact;
1155 TopoDS_Face face, faceres;
1157 TopoDS_Shape myshape = ParamSurface(igesSurface, trans, uFact);
1159 if (!myshape.IsNull()) {
1160 shapeEnum = myshape.ShapeType();
1161 switch (shapeEnum) {
1164 face = TopoDS::Face(myshape);
1170 TopoDS_Iterator IT(myshape);
1171 Standard_Integer nbfaces = 0;
1172 for (; IT.More(); IT.Next()) {
1174 face = TopoDS::Face(IT.Value());
1177 //szv#4:S4163:12Mar99 optimized
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);
1184 SendFail(st, msg1156); // Not Implemented Trimmed Composite Surface.
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);
1196 SendFail(st, msg1156); // Basis Surface Conversion Error.
1205 //obtaining a surface
1207 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(face, L);
1208 TC.SetSurface(aSurf);
1210 if (st->HasOuterContour()) {
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;
1216 for (Standard_Integer i = 1; i <= st->NbInnerContours(); i++) {
1217 TopoDS_Shape myshape2 = TC.TransferCurveOnFace (face, st->InnerContour(i), trans, uFact, Standard_False);
1219 BRepTools::Update ( face ); //:p4
1225 //=======================================================================
1226 //function : TransferBoundedSurface
1228 //=======================================================================
1230 TopoDS_Shape IGESToBRep_TopoSurface::TransferBoundedSurface
1231 (const Handle(IGESGeom_BoundedSurface)& st)
1232 { // Declaration of messages//
1234 //Message_Msg msg1005("IGES_1005");
1235 ////////////////////////////////
1238 Message_Msg msg1005("IGES_1005");
1239 SendFail(st, msg1005);
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
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.
1260 Standard_Real uFact;
1263 TopoDS_Shape myshape = ParamSurface(igesSrf, trans, uFact);
1265 if (myshape.IsNull()) {
1266 //#55 rln 24.12.98 UKI60878 entity D593
1268 cout << "Fail: IGESToBRep_TopoSurface::TransferBoundedSurface UntrimmedSurface is translated into Null" << endl;
1273 shapeEnum = myshape.ShapeType();
1274 switch (shapeEnum) {
1277 face = TopoDS::Face(myshape);
1282 TopoDS_Iterator IT(myshape);
1283 Standard_Integer nbfaces = 0;
1284 for (; IT.More(); IT.Next()) {
1286 face = TopoDS::Face(IT.Value());
1288 //szv#4:S4163:12Mar99 optimized
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);
1295 SendFail(st, msg1156);
1296 // Not Implemented Trimmed Composite Surface.
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);
1308 SendFail(st, msg1156);
1315 for (Standard_Integer i = 1; i <= st->NbBoundaries(); i++)
1316 TC.TransferBoundaryOnFace(face, st->Boundary(i), trans, uFact);
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");
1325 // sff.FixOrientation();
1326 // face = sff.Face();
1332 //=======================================================================
1333 //function : TransferPlane
1335 //=======================================================================
1337 TopoDS_Shape IGESToBRep_TopoSurface::TransferPlane
1338 (const Handle(IGESGeom_Plane)& st)
1339 { // Declaration of messages//
1341 //Message_Msg msg1005("IGES_1005");
1342 ////////////////////////////////
1345 Message_Msg msg1005("IGES_1005");
1346 SendFail(st, msg1005);
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);
1363 //=======================================================================
1364 //function : TransferPlaneSurface
1365 //purpose : this function transferred into IGESToBRep_BasicSurface
1366 //=======================================================================
1369 //=======================================================================
1370 //function : TransferPerforate
1372 //=======================================================================
1374 TopoDS_Shape IGESToBRep_TopoSurface::TransferPerforate
1375 (const Handle(IGESBasic_SingleParent)& st)
1376 { // Declaration of messages//
1378 //Message_Msg msg1005("IGES_1005");
1379 ////////////////////////////////
1382 Message_Msg msg1005("IGES_1005");
1383 SendFail(st, msg1005);
1390 DeclareAndCast(IGESGeom_Plane,p0,st->SingleParent());
1393 Message_Msg msg206("XSTEP_206");
1394 SendFail(st, msg206);
1395 // SingleParent does not describe a holed face
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));
1404 Message_Msg msg1285("IGES_1285");
1406 // A child is not a Plane, skipped, n0 %d
1407 SendWarning(st,msg1285);
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);
1420 SendWarning(st, msg1156);
1421 // A hole could not be transferred, skipped, n0 %d
1424 // coplanaires ? verifier
1425 if (!pln.Position().IsCoplanar(pli.Position(),GetEpsGeom(),GetEpsilon())) {
1426 Message_Msg msg1295("IGES_1295");
1428 SendWarning(st,msg1295);
1429 // "A hole is not well coplanar to the face, n0 %d",i);
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);
1438 // Enfin, appliquer la trsf globale
1439 if (trsf.Form() != gp_Identity) {
1440 TopLoc_Location loc(trsf);
1447 //=======================================================================
1448 //function : TransferPlaneParts
1450 //=======================================================================
1451 TopoDS_Shape IGESToBRep_TopoSurface::TransferPlaneParts(const Handle(IGESGeom_Plane)& st,
1454 const Standard_Boolean first)
1455 { // Declaration of messages//
1457 //Message_Msg msg1005("IGES_1005");
1458 ////////////////////////////////
1461 Message_Msg msg1005("IGES_1005");
1462 SendFail(st, msg1005);
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);
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
1487 // ATTENTION, ici on CALCULE la trsf, on ne l'appliquera qu'a la fin !
1488 if (st->HasTransf()) {
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
1497 if (st->HasBoundingCurve()) {
1498 IGESToBRep_TopoCurve TC(*this);
1499 Handle(IGESData_IGESEntity) crv = st->BoundingCurve();
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"
1510 if (IGESToBRep::IsTopoCurve(crv)) {
1512 if (crv->IsKind(STANDARD_TYPE(IGESGeom_CurveOnSurface))) {
1513 DeclareAndCast(IGESGeom_CurveOnSurface, crv142, crv);
1514 TopoDS_Shape myshape = TC.TransferCurveOnFace (plane, crv142, trans, TheULength, Standard_False);
1516 //:3 by ABV 5 Nov 97: set plane to be finite
1518 TopExp_Explorer ws ( plane, TopAbs_WIRE );
1519 if ( ws.More() ) plane.Infinite ( Standard_False );
1523 TopoDS_Shape shape = TC.TransferTopoCurve(crv);
1524 TopAbs_ShapeEnum shapeEnum = shape.ShapeType();
1525 switch (shapeEnum) {
1528 TopoDS_Edge edge = TopoDS::Edge(shape);
1529 Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData;
1531 wire = sewd->Wire();
1536 wire = TopoDS::Wire(shape);
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);
1546 SendWarning(st, msg1156);
1547 if (first) res = plane;
1552 //S4054 CTS18953 entity 14
1553 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
1555 sfw->FixConnected (GetMaxTol());
1557 BRepLib_MakeFace MF(pln, wire, Standard_False);
1559 // AddFail(st, "Plane Construction Error.");
1563 TopoDS_Face F = MF.Face();
1565 BRepGProp::SurfaceProperties(F,G);
1567 if(!st->HasBoundingCurveHole())
1571 if( st->HasBoundingCurveHole())
1573 //:3 by ABV 5 Nov 97: set plane to be finite
1574 //:3 if (first) B.Add (plane,wire);
1576 B.Add ( plane, wire );
1577 plane.Infinite ( Standard_False );
1579 //BRepLib_MakeFace MP(pln, wire);
1580 //plane = MP.Face();
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);
1589 SendWarning(st, msg1156);
1590 // Plane Cannot Be Trimmed.
1594 if (first) res = plane;
1600 //=======================================================================
1601 //function : ParamSurface
1603 //=======================================================================
1604 TopoDS_Shape IGESToBRep_TopoSurface::ParamSurface(const Handle(IGESData_IGESEntity)& st,
1606 Standard_Real& uFact)
1607 { // Declaration of messages//
1609 //Message_Msg msg1005("IGES_1005");
1610 ////////////////////////////////
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);
1623 TopAbs_ShapeEnum shapeEnum;
1624 shapeEnum = basisSurface.ShapeType();
1626 switch (shapeEnum) {
1629 face = TopoDS::Face(basisSurface);
1634 TopoDS_Iterator IT(basisSurface);
1635 Standard_Integer nbfaces = 0;
1636 for (; IT.More(); IT.Next()) {
1638 face = TopoDS::Face(IT.Value());
1640 //szv#4:S4163:12Mar99 optimized
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);
1647 SendWarning(st, msg1156);
1648 return basisSurface;
1654 //AddFail(st, "Basis Surface Transfer Error.");
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.;
1663 TopoDS_Edge theedge;
1664 Handle(Geom_Surface) Surf = BRep_Tool::Surface(face);
1666 if (Surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
1667 DeclareAndCast(Geom_RectangularTrimmedSurface, rectang, Surf);
1668 Surf = rectang->BasisSurface();
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)))) {
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())){
1690 Standard_Real First, Last;
1691 Handle(Geom_Curve) Curve3d = BRep_Tool::Curve(theedge, First, Last);
1692 if (Precision::IsNegativeInfinite(First)) First = 0.;
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(),
1699 Curve3d->Value(First), paramu , paramv );
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 );
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 );
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(),
1727 Curve3d->Value(First), paramu , paramv );
1730 //#88 rln 06.04.99 CTS60168, BLEND.IGS entity 68
1731 //Generatrix is Transformed Circular Arc. When creating CAS.CADE surface parameterization
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)))
1741 paramv += ShapeAnalysis::AdjustToPeriod(paramv, - M_PI, M_PI);
1742 else if (Surf->IsKind (STANDARD_TYPE(Geom_ToroidalSurface)))
1743 paramv += ShapeAnalysis::AdjustToPeriod(paramv, 0, M_PI * 2);
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);
1753 paramu += ShapeAnalysis::AdjustToPeriod(paramu, 0, M_PI * 2);
1759 if ( Abs(paramu) <= Precision::Confusion()) paramu = 0.;
1760 if ( Abs(paramv) <= Precision::Confusion()) paramv = 0.;
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();
1769 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_SurfaceOfRevolution))) {
1770 DeclareAndCast(IGESGeom_SurfaceOfRevolution, st120, isrf);
1771 //S4181 pdn 19.04.99 defining transformation matrix
1773 tmp.SetTranslation(gp_Vec2d (0, -2 * M_PI));
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);
1781 //CAS.CADE SA = 2*PI - IGES TA
1782 //paramu = st120->StartAngle();
1783 paramu = -(2 * M_PI - st120->EndAngle());
1788 if (isrf->IsKind(STANDARD_TYPE(IGESGeom_RuledSurface))) {
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;
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
1802 uscale = uln/cscale;
1806 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_CylindricalSurface))||
1807 isrf->IsKind(STANDARD_TYPE(IGESSolid_ConicalSurface))) {
1811 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_SphericalSurface))) {
1816 if (isrf->IsKind(STANDARD_TYPE(IGESSolid_ToroidalSurface))) {
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);
1825 paramv = paramv*180./M_PI;
1831 tmp.SetTranslation(gp_Pnt2d(0.,0.), gp_Pnt2d(paramu,paramv));
1832 trans.PreMultiply(tmp);
1834 tmp.SetScale(gp_Pnt2d(0,0),cscale);
1835 trans.PreMultiply(tmp);