1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 //:k8 abv 6 Jan 99: unique names for PRODUCTs
15 //:k9 abv 6 Jan 99: TR10: eliminating duplicated APPLICATION_CONTEXT entities
16 //abv,gka 05.04.99: S4136: change parameters and update units
17 // PTV 22.08.2002 OCC609 transfer solo vertices into step file.
18 // PTV 16.09.2002 OCC725 transfer compound of vertices into one geometrical curve set.
19 #include <STEPControl_ActorWrite.ixx>
20 #include <STEPControl_StepModelType.hxx>
23 #include <Transfer_SimpleBinderOfTransient.hxx>
25 #include <GeomToStep_MakeAxis2Placement3d.hxx>
26 #include <StepGeom_Axis2Placement3d.hxx>
28 #include <STEPConstruct_Part.hxx>
29 #include <STEPConstruct_Assembly.hxx>
30 #include <STEPConstruct_ContextTool.hxx>
31 #include <STEPConstruct_UnitContext.hxx>
34 #include <TopoDSToStep.hxx>
35 #include <TopoDSToStep_Builder.hxx>
36 #include <TopoDSToStep_FacetedTool.hxx>
37 #include <TopoDSToStep_Tool.hxx>
38 #include <TopoDSToStep_MakeManifoldSolidBrep.hxx>
39 #include <TopoDSToStep_MakeBrepWithVoids.hxx>
40 #include <TopoDSToStep_MakeFacetedBrep.hxx>
41 #include <TopoDSToStep_MakeFacetedBrepAndBrepWithVoids.hxx>
42 #include <TopoDSToStep_MakeGeometricCurveSet.hxx>
43 #include <TopoDSToStep_MakeShellBasedSurfaceModel.hxx>
46 #include <TopoDS_Shape.hxx>
47 #include <TopoDS_Solid.hxx>
48 #include <Geom_Surface.hxx>
49 #include <Geom_Plane.hxx>
50 #include <Geom_Curve.hxx>
51 #include <Geom_Line.hxx>
53 #include <StepShape_ShapeDefinitionRepresentation.hxx>
54 #include <StepShape_FacetedBrepAndBrepWithVoids.hxx>
55 #include <StepShape_FacetedBrep.hxx>
56 #include <StepShape_GeometricCurveSet.hxx>
57 #include <StepShape_ShellBasedSurfaceModel.hxx>
58 #include <StepShape_ManifoldSolidBrep.hxx>
59 #include <StepShape_BrepWithVoids.hxx>
60 #include <StepRepr_HArray1OfRepresentationItem.hxx>
61 #include <StepBasic_HArray1OfProduct.hxx>
62 #include <StepRepr_GlobalUnitAssignedContext.hxx>
63 #include <StepShape_AdvancedBrepShapeRepresentation.hxx>
64 #include <StepShape_FacetedBrepShapeRepresentation.hxx>
65 #include <StepShape_TopologicalRepresentationItem.hxx>
66 #include <StepShape_ManifoldSurfaceShapeRepresentation.hxx>
67 #include <StepShape_GeometricallyBoundedWireframeShapeRepresentation.hxx>
68 #include <StepBasic_ApplicationProtocolDefinition.hxx>
69 #include <StepRepr_PropertyDefinition.hxx>
71 #include <TopExp_Explorer.hxx>
72 #include <TColStd_HSequenceOfTransient.hxx>
73 #include <TCollection_HAsciiString.hxx>
75 #include <Transfer_TransientProcess.hxx>
76 #include <Transfer_Binder.hxx>
77 #include <Transfer_Finder.hxx>
78 #include <Transfer_FinderProcess.hxx>
79 #include <TransferBRep_ShapeMapper.hxx>
80 #include <TransferBRep.hxx>
81 #include <OSD_Timer.hxx>
83 #include <ShapeExtend_Explorer.hxx>
84 #include <ShapeAnalysis_ShapeTolerance.hxx>
85 #include <Interface_MSG.hxx>
86 #include <Interface_Static.hxx>
88 #include <Interface_Macros.hxx>
89 #include <TopTools_HSequenceOfShape.hxx>
91 #include <BRep_Tool.hxx>
92 #include <TopoDS_Iterator.hxx> //:d6
93 #include <UnitsMethods.hxx>
94 #include <STEPConstruct_AP203Context.hxx>
95 #include <BRepTools_Modifier.hxx>
98 #include <XSAlgo_AlgoContainer.hxx>
99 #include <StepRepr_ShapeRepresentationRelationship.hxx>
100 #include <Transfer_SequenceOfBinder.hxx>
102 #include <TopoDSToStep_MakeStepVertex.hxx>
103 #include <StepShape_VertexPoint.hxx>
104 #include <MoniTool_DataMapOfShapeTransient.hxx>
105 #include <StepShape_HArray1OfGeometricSetSelect.hxx>
106 #include <StepShape_GeometricSetSelect.hxx>
107 #include <TopoDS_Compound.hxx>
108 #include <BRep_Builder.hxx>
110 // Non-manifold topology processing (ssv; 10.11.2010)
111 #include <StepShape_NonManifoldSurfaceShapeRepresentation.hxx>
112 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
113 #include <TopTools_ListOfShape.hxx>
114 #include <TopExp.hxx>
115 #include <TopTools_MapOfShape.hxx>
116 #include <TopTools_ListIteratorOfListOfShape.hxx>
118 // ============================================================================
119 // Function: DumpWhatIs
120 // Purpose: Use it in DEB mode to dump your shapes
121 // ============================================================================
124 static void DumpWhatIs(const TopoDS_Shape& S) {
126 TopTools_MapOfShape aMapOfShape;
128 TopTools_ListOfShape aListOfShape;
129 aListOfShape.Append(S);
130 TopTools_ListIteratorOfListOfShape itL(aListOfShape);
131 Standard_Integer nbSolids = 0,
139 for( ; itL.More(); itL.Next() ) {
140 TopoDS_Iterator it( itL.Value() );
141 for ( ; it.More(); it.Next() ) {
142 TopoDS_Shape aSubShape = it.Value();
143 if ( !aMapOfShape.Add(aSubShape) )
145 aListOfShape.Append(aSubShape);
146 if (aSubShape.ShapeType() == TopAbs_SOLID)
148 if (aSubShape.ShapeType() == TopAbs_SHELL) {
149 if ( !aSubShape.Closed() )
153 if (aSubShape.ShapeType() == TopAbs_FACE)
155 if (aSubShape.ShapeType() == TopAbs_WIRE)
157 if (aSubShape.ShapeType() == TopAbs_EDGE)
159 if (aSubShape.ShapeType() == TopAbs_VERTEX)
164 cout << "//What is?// NB SOLIDS: " << nbSolids << endl;
165 cout << "//What is?// NB SHELLS: " << nbShells << endl;
166 cout << "//What is?// OPEN SHELLS: " << nbOpenShells << endl;
167 cout << "//What is?// CLOSED SHELLS: " << nbShells - nbOpenShells << endl;
168 cout << "//What is?// NB FACES: " << nbFaces << endl;
169 cout << "//What is?// NB WIRES: " << nbWires << endl;
170 cout << "//What is?// NB EDGES: " << nbEdges << endl;
171 cout << "//What is?// NB VERTEXES: " << nbVertexes << endl;
175 //=======================================================================
176 // Function : IsManifoldShape
177 // Purpose : Used to define whether the passed shape has manifold
179 //=======================================================================
181 static Standard_Boolean IsManifoldShape(const TopoDS_Shape& theShape) {
183 Standard_Boolean aResult = Standard_True;
185 // Do not check nested Compounds
186 TopoDS_Compound aDirectShapes;
187 BRep_Builder aBrepBuilder;
188 aBrepBuilder.MakeCompound(aDirectShapes);
190 TopoDS_Iterator anIt(theShape);
191 for ( ; anIt.More(); anIt.Next() ) {
192 TopoDS_Shape aDirectChild = anIt.Value();
193 if (aDirectChild.ShapeType() != TopAbs_COMPOUND)
194 aBrepBuilder.Add(aDirectShapes, aDirectChild);
198 DumpWhatIs(aDirectShapes);
201 TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
202 TopExp::MapShapesAndAncestors(aDirectShapes, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
204 Standard_Integer aNbEdges = aMapEdgeFaces.Extent();
206 cout << "Checking whether the topology passed is manifold..." << endl;
210 for (Standard_Integer i = 1; i <= aNbEdges; i++) {
211 TopoDS_Edge aCurrentEdge = TopoDS::Edge( aMapEdgeFaces.FindKey(i) );
212 if ( !BRep_Tool::Degenerated(aCurrentEdge) ) {
213 Standard_Integer aNbAncestors = aMapEdgeFaces.FindFromIndex(i).Extent();
214 if (aNbAncestors > 2) {
215 aResult = Standard_False;
222 cout << "Check result: "
223 << (aResult ? "TRUE" : "FALSE") << endl;
229 /* this is a start of a comment! */
231 void DumpBinder (const Handle(Transfer_Binder) &binder)
233 Handle(Transfer_Binder) bbb = binder;
234 while ( ! bbb.IsNull() ) {
235 Handle(Transfer_SimpleBinderOfTransient) bx =
236 Handle(Transfer_SimpleBinderOfTransient)::DownCast ( bbb );
238 if ( ! bx.IsNull() ) {
239 cout << "--> " << bx->ResultTypeName() << " " << *(void**)&bx->Result() << endl;
241 else cout << "--> ???" << endl;
242 bbb = bbb->NextResult();
247 /* this is a end of a comment */
249 //=======================================================================
250 //function : STEPControl_ActorWrite
252 //=======================================================================
254 STEPControl_ActorWrite::STEPControl_ActorWrite ()
255 : mygroup (0) , mytoler (-1.)
257 SetMode(STEPControl_ShellBasedSurfaceModel);
260 //=======================================================================
261 //method: getNMSSRForGroup
262 //purpose: allows to get NMSSR (NON_MANIFOLD_SURFACE_SHAPE_REPRESENTATION)
263 // STEP's entity for the group of shells (!) passed
264 //=======================================================================
266 Handle(StepShape_NonManifoldSurfaceShapeRepresentation) STEPControl_ActorWrite::getNMSSRForGroup(const Handle(TopTools_HSequenceOfShape)& shapeGroup,
267 const Handle(Transfer_FinderProcess)& FP,
268 Standard_Boolean& isNMSSRCreated) const
270 Handle(StepShape_NonManifoldSurfaceShapeRepresentation) aResult;
272 if ( !shapeGroup.IsNull() ) {
273 for (Standard_Integer i = 1; i <= shapeGroup->Length(); i++) {
274 TopoDS_Shape aCurrentShape = shapeGroup->Value(i);
275 Handle(TransferBRep_ShapeMapper) mapper = TransferBRep::ShapeMapper(FP, aCurrentShape);
276 if ( FP->FindTypedTransient(mapper, STANDARD_TYPE(StepShape_NonManifoldSurfaceShapeRepresentation), aResult) )
281 if ( aResult.IsNull() ) {
283 cout << "\nNew NMSSR created" << endl;
285 aResult = new StepShape_NonManifoldSurfaceShapeRepresentation;
286 isNMSSRCreated = Standard_True;
289 cout << "\nExisting NMSSR is used" << endl;
291 isNMSSRCreated = Standard_False;
298 //=======================================================================
301 //=======================================================================
303 void STEPControl_ActorWrite::SetMode (const STEPControl_StepModelType M)
306 case STEPControl_AsIs : ModeTrans() = 0; break;
307 case STEPControl_ManifoldSolidBrep : ModeTrans() = 3; break;
308 case STEPControl_BrepWithVoids : ModeTrans() = 5; break;
309 case STEPControl_FacetedBrep : ModeTrans() = 1; break;
310 case STEPControl_FacetedBrepAndBrepWithVoids : ModeTrans() = 6; break;
311 case STEPControl_ShellBasedSurfaceModel : ModeTrans() = 2;
312 case STEPControl_GeometricCurveSet : ModeTrans() = 4;
313 case STEPControl_Hybrid : ModeTrans() = 0; break; // PAS IMPLEMENTE !!
318 //=======================================================================
321 //=======================================================================
323 STEPControl_StepModelType STEPControl_ActorWrite::Mode () const
325 switch (themodetrans) {
326 case 0 : return STEPControl_AsIs;
327 case 1 : return STEPControl_FacetedBrep;
328 case 2 : return STEPControl_ShellBasedSurfaceModel;
329 case 3 : return STEPControl_ManifoldSolidBrep;
330 case 4 : return STEPControl_GeometricCurveSet;
331 case 5 : return STEPControl_BrepWithVoids;
332 case 6 : return STEPControl_FacetedBrepAndBrepWithVoids;
335 return STEPControl_AsIs;
338 //=======================================================================
339 //function : SetGroupMode
341 //=======================================================================
343 void STEPControl_ActorWrite::SetGroupMode (const Standard_Integer mode)
345 if (mode >= 0) mygroup = mode;
348 //=======================================================================
349 //function : GroupMode
351 //=======================================================================
353 Standard_Integer STEPControl_ActorWrite::GroupMode () const
358 //=======================================================================
359 //function : SetTolerance
361 //=======================================================================
363 void STEPControl_ActorWrite::SetTolerance (const Standard_Real Tol)
368 //=======================================================================
369 //function : Recognize
370 // ATTENTION, Recognize doit s aligner sur ce que Transfer sait faire
372 //=======================================================================
374 Standard_Boolean STEPControl_ActorWrite::Recognize (const Handle(Transfer_Finder)& start)
376 STEPControl_StepModelType mymode = Mode();
377 Handle(TransferBRep_ShapeMapper) mapper = Handle(TransferBRep_ShapeMapper)::DownCast(start);
378 if (mapper.IsNull()) return Standard_False;
379 if (mymode == STEPControl_AsIs) return Standard_True;
381 Standard_Boolean yasolid = Standard_False, yashell = Standard_False,
382 yaface = Standard_False;
384 TopoDS_Shape theShape, aShape;
385 // theShape = TopoDSToStep::DirectFaces(mapper->Value());
386 theShape = mapper->Value(); // pour une reconnaissance c est bien assez
388 if (theShape.ShapeType() == TopAbs_COMPOUND) {
390 TopExp_Explorer SolidExp, ShellExp, FaceExp;
392 for (SolidExp.Init(theShape, TopAbs_SOLID);
393 SolidExp.More();SolidExp.Next()) yasolid = Standard_True;
394 for (ShellExp.Init(theShape, TopAbs_SHELL, TopAbs_SOLID);
395 ShellExp.More();ShellExp.Next()) yashell = Standard_True;
396 for (FaceExp.Init(theShape, TopAbs_FACE, TopAbs_SHELL);
397 FaceExp.More();FaceExp.Next()) yaface = Standard_True;
399 else if (theShape.ShapeType() == TopAbs_SOLID) yasolid = Standard_True;
400 else if (theShape.ShapeType() == TopAbs_SHELL) yashell = Standard_True;
401 else if (theShape.ShapeType() == TopAbs_FACE) yaface = Standard_True;
402 else if (mymode != STEPControl_GeometricCurveSet) return Standard_False;
405 // Faceted : il est OBLIGATOIRE d avoir des surfaces support Plane et des
406 // courbes 3D Line (pcurves ignorees)
408 if (mymode == STEPControl_FacetedBrep || mymode == STEPControl_FacetedBrepAndBrepWithVoids) {
409 for (TopExp_Explorer ffac(theShape,TopAbs_FACE); ffac.More(); ffac.Next()) {
410 const TopoDS_Face& F = TopoDS::Face (ffac.Current());
411 TopLoc_Location locbid;
412 Handle(Geom_Surface) surf = BRep_Tool::Surface (F,locbid);
413 if (surf.IsNull() || !surf->IsKind(STANDARD_TYPE(Geom_Plane)) ) return Standard_False;
415 for (TopExp_Explorer fedg(theShape,TopAbs_EDGE); fedg.More(); fedg.Next()) {
416 const TopoDS_Edge& E = TopoDS::Edge (fedg.Current());
417 TopLoc_Location locbid; Standard_Real first,last;
418 Handle(Geom_Curve) curv = BRep_Tool::Curve (E,locbid,first,last);
419 if (curv.IsNull() || !curv->IsKind(STANDARD_TYPE(Geom_Line)) ) return Standard_False;
424 case STEPControl_ManifoldSolidBrep: return (yasolid || yashell);
425 case STEPControl_BrepWithVoids:
426 case STEPControl_FacetedBrep:
427 case STEPControl_FacetedBrepAndBrepWithVoids: return yasolid;
428 case STEPControl_ShellBasedSurfaceModel:
429 return (yasolid || yashell || yaface);
430 case STEPControl_GeometricCurveSet: return Standard_True; // tout OK
433 return Standard_False;
437 // ######## MAKE PRODUCT DATA + CONTEXT ########
439 //=======================================================================
440 //function : Transfer
442 //=======================================================================
444 Handle(Transfer_Binder) STEPControl_ActorWrite::Transfer (const Handle(Transfer_Finder)& start,
445 const Handle(Transfer_FinderProcess)& FP)
447 XSAlgo::AlgoContainer()->PrepareForTransfer();
449 Handle(TransferBRep_ShapeMapper) mapper = Handle(TransferBRep_ShapeMapper)::DownCast(start);
451 if (mapper.IsNull()) return NullResult();
452 TopoDS_Shape shape = mapper->Value();
455 Handle(StepData_StepModel) model = Handle(StepData_StepModel)::DownCast ( FP->Model() );
456 if ( ! model.IsNull() ) myContext.SetModel ( model ); //: abv 04.11.00: take APD from model
457 myContext.AddAPD ( Standard_False ); // update APD
458 myContext.SetLevel ( 1 ); // set assembly level to 1 (to ensure)
460 //:S4136: init UnitsMethods to reset angle unit factors (see TopoDSToStep)
461 Standard_Real lFactor = UnitsMethods::GetLengthFactorValue ( Interface_Static::IVal ( "write.step.unit" ) );
462 lFactor /= UnitsMethods::GetCasCadeLengthUnit();
463 Standard_Integer anglemode = Interface_Static::IVal("step.angleunit.mode");
464 UnitsMethods::InitializeFactors ( lFactor, ( anglemode <= 1 ? 1. : M_PI/180. ), 1. );
467 STEPConstruct_Part SDRTool;
468 SDRTool.MakeSDR ( 0, myContext.GetProductName(), myContext.GetAPD()->Application() );
469 Handle(StepShape_ShapeDefinitionRepresentation) sdr = SDRTool.SDRValue();
472 Handle(Transfer_Binder) resbind = TransferShape (mapper,sdr,FP);
474 // Handle(StepShape_ShapeRepresentation) resultat;
475 // FP->GetTypedTransient (resbind,STANDARD_TYPE(StepShape_ShapeRepresentation),resultat);
476 // sdr->SetUsedRepresentation (resultat);
478 // create binder with all root entities produced from shape
479 Handle(TColStd_HSequenceOfTransient) roots = myContext.GetRootsForPart ( SDRTool );
480 Handle(Transfer_Binder) resprod = TransientResult ( myContext.GetAPD() );
481 for ( Standard_Integer i=1; i <= roots->Length(); i++ )
482 resprod->AddResult ( TransientResult ( roots->Value(i) ) );
483 resprod->AddResult(resbind);
486 //FP->Bind (mapper,resprod);
487 myContext.NextIndex();
491 //==========================================
493 static Standard_Real UsedTolerance (const Standard_Real mytoler,
494 const TopoDS_Shape& theShape)
497 // COMPUTING 3D TOLERANCE
498 // Either from Session, or Computed (Least,Average, or Greatest)
499 // Then given to TopoDSToStep_Tool
501 Standard_Real Tol = mytoler;
502 Standard_Integer tolmod = Interface_Static::IVal("write.precision.mode");
503 if (Tol <= 0 && tolmod == 2) Tol =
504 Interface_Static::RVal("write.precision.val");
506 ShapeAnalysis_ShapeTolerance stu;
507 Tol = stu.Tolerance (theShape,tolmod);
508 // Par defaut, on prend une tolerance moyenne, on elimine les aberrations
509 Tol = Interface_MSG::Intervalled (Tol * 1.5); // arrondi a 1 2 5 ...
511 if (Tol == 0) Tol = 1.e-07; // minimum ...
516 //=======================================================================
517 //function : IsAssembly
519 //=======================================================================
520 // if GroupMode is >1 downgrades all compounds having single subshape to that
523 Standard_Boolean STEPControl_ActorWrite::IsAssembly (TopoDS_Shape &S) const
525 if ( ! GroupMode() || S.ShapeType() != TopAbs_COMPOUND ) return Standard_False;
526 // PTV 16.09.2002 OCC725 for storing compound of vertices
527 if (Interface_Static::IVal("write.step.vertex.mode") == 0) {//bug 23950
528 if (S.ShapeType() == TopAbs_COMPOUND ) {
529 Standard_Boolean IsOnlyVertices = Standard_True;
530 TopoDS_Iterator anItr( S );
531 for ( ; anItr.More(); anItr.Next() ) {
532 if ( anItr.Value().ShapeType() != TopAbs_VERTEX ) {
533 IsOnlyVertices = Standard_False;
537 if ( IsOnlyVertices )
538 return Standard_False;
541 if ( GroupMode() ==1 ) return Standard_True;
542 TopoDS_Iterator it ( S );
543 if ( ! it.More() ) return Standard_False;
544 TopoDS_Shape shape = it.Value();
546 if ( it.More() ) return Standard_True;
548 return IsAssembly ( S );
551 //=======================================================================
552 //function : TransferShape
554 //=======================================================================
557 static void UpdateMap (const TopoDS_Shape &shape,
558 BRepTools_Modifier &M1,
559 BRepTools_Modifier &M2,
560 const Handle(Transfer_FinderProcess) &FinderProcess)
562 TopoDS_Shape S = M1.ModifiedShape ( shape );
563 S = M2.ModifiedShape ( S );
564 if ( S == shape ) return;
566 Handle(TransferBRep_ShapeMapper) mapper = TransferBRep::ShapeMapper ( FinderProcess, S );
567 Handle(Transfer_Binder) binder = FinderProcess->Find ( mapper );
568 if ( ! binder.IsNull() ) {
569 mapper = TransferBRep::ShapeMapper ( FinderProcess, shape );
570 FinderProcess->Bind ( mapper, binder );
573 for ( TopoDS_Iterator it(shape); it.More(); it.Next() )
574 UpdateMap ( it.Value(), M1, M2, FinderProcess );
578 // PTV 16.09.2002 added for transfering vertices.
579 static Standard_Boolean transferVertex (const Handle(Transfer_FinderProcess)& FP,
580 Handle(StepShape_HArray1OfGeometricSetSelect)& aGSS,
581 const TopoDS_Shape& aShVrtx,
582 const Standard_Integer theNum)
584 Standard_Boolean IsDone = Standard_False;
585 MoniTool_DataMapOfShapeTransient aMap;
586 TopoDSToStep_Tool aTool(aMap, Standard_True);
587 TopoDSToStep_MakeStepVertex aMkVrtx ( TopoDS::Vertex(aShVrtx), aTool, FP );
589 if (!aMkVrtx.IsDone())
592 Handle(StepShape_VertexPoint) aVP =
593 Handle(StepShape_VertexPoint)::DownCast(aTool.Find(aShVrtx));
597 StepShape_GeometricSetSelect select;
598 select.SetValue(aVP->VertexGeometry());
599 // add current result
600 aGSS->SetValue( theNum, select );
601 IsDone = Standard_True;
606 Handle(Transfer_Binder) STEPControl_ActorWrite::TransferShape (const Handle(Transfer_Finder)& start,
607 const Handle(StepShape_ShapeDefinitionRepresentation)& SDR0,
608 const Handle(Transfer_FinderProcess)& FP,
609 const Handle(TopTools_HSequenceOfShape)& shapeGroup,
610 const Standard_Boolean isManifold)
612 STEPControl_StepModelType mymode = Mode();
613 Handle(TransferBRep_ShapeMapper) mapper = Handle(TransferBRep_ShapeMapper)::DownCast(start);
614 Handle(Transfer_Binder) binder;
616 // Indicates whether to use an exising NMSSR to write items to (ss; 13.11.2010)
617 Standard_Boolean useExistingNMSSR = Standard_False;
619 if (mapper.IsNull()) return binder;
620 TopoDS_Shape theShape = mapper->Value();
622 if (theShape.IsNull()) return binder;
624 // INDIVIDUAL SHAPE ALREADY TRANSFERRED : RETURN IT !
625 binder = FP->Find(start);
626 if (!binder.IsNull()) { if (!binder->HasResult()) binder.Nullify(); }
627 if (!binder.IsNull()) {
628 //:abv 20.05.02: writing box & face from it (shared) in one compound
629 // as assembly - while face already translated, it should be
630 // re-translated to break sharing
632 cout << "Warning: STEPControl_ActorWrite::TransferShape(): shape already translated" << endl;
637 // MODE ASSEMBLY : if Compound, (sub-)assembly
638 if ( IsAssembly(theShape) )
639 return TransferCompound(start, SDR0, FP);
641 // [BEGIN] Separate manifold topology from non-manifold in group mode 0 (ssv; 18.11.2010)
642 Standard_Boolean isNMMode = Interface_Static::IVal("write.step.nonmanifold");
643 Handle(Transfer_Binder) aNMBinder;
644 if (isNMMode && !GroupMode() && theShape.ShapeType() == TopAbs_COMPOUND) {
645 TopoDS_Compound aNMCompound;
646 TopoDS_Compound aManifoldCompound;
647 BRep_Builder brepBuilder;
649 // Create empty Compounds
650 brepBuilder.MakeCompound(aManifoldCompound);
651 brepBuilder.MakeCompound(aNMCompound);
653 // Indicates whether there is only non-manifold topology detected
654 // (there is no manifold topology found in the Compound passed)
655 Standard_Boolean isOnlyNonManifold = Standard_False;
657 // Find a Compound containing non-manifold topology.
658 // NOTE: only one such Compound must exist in the entire Compound passed
659 if ( !IsManifoldShape(theShape) ) {
660 aNMCompound = TopoDS::Compound(theShape);
661 isOnlyNonManifold = Standard_True;
664 TopTools_ListOfShape aListOfShapes;
665 TopTools_ListOfShape aListOfManifoldShapes;
666 aListOfShapes.Append(theShape);
668 TopTools_ListIteratorOfListOfShape itL(aListOfShapes);
669 for ( ; itL.More(); itL.Next() ) {
670 TopoDS_Shape aParentShape = itL.Value();
671 TopoDS_Iterator it(aParentShape);
672 for ( ; it.More(); it.Next() ) {
673 TopoDS_Shape aSubShape = it.Value();
674 if (aSubShape.ShapeType() == TopAbs_COMPOUND && !IsManifoldShape(aSubShape) )
675 aNMCompound = TopoDS::Compound(aSubShape);
676 else if (aSubShape.ShapeType() == TopAbs_COMPOUND)
677 aListOfShapes.Append(aSubShape);
679 aListOfManifoldShapes.Append(aSubShape);
683 // Group manifold topology together.
684 // NOTE: there is no sense that initial Compound structure was lost as
685 // group mode is set to 0 (no Assemblies are mapped)
686 for ( itL.Initialize(aListOfManifoldShapes); itL.More(); itL.Next() ) {
687 TopoDS_Shape aCurrentManiShape = itL.Value();
688 brepBuilder.Add(aManifoldCompound, aCurrentManiShape);
693 // Process only manifold topology in the current TransferShape invocation.
694 // Invoke TransferShape for non-manifold topology separately (see below)
695 theShape = aManifoldCompound;
697 // List of items to transfer
698 Handle(TopTools_HSequenceOfShape) RepItemSeq = new TopTools_HSequenceOfShape();
699 // Non-manifold group to pass into TransferShape with each shape from RepItemSeq
700 Handle(TopTools_HSequenceOfShape) NonManifoldGroup = new TopTools_HSequenceOfShape();
702 // Transfer Solids to closed Shells. Prepare RepItemSeq & NonManifoldGroup
703 for ( TopoDS_Iterator iter(aNMCompound); iter.More(); iter.Next() ) {
704 TopoDS_Shape aSubShape = iter.Value();
705 if (aSubShape.ShapeType() == TopAbs_SOLID) {
706 for ( TopoDS_Iterator aSubIter(aSubShape); aSubIter.More(); aSubIter.Next() ) {
707 TopoDS_Shell aSubShell = TopoDS::Shell( aSubIter.Value() );
708 aSubShell.Closed(Standard_True);
709 RepItemSeq->Append(aSubShell);
710 NonManifoldGroup->Append(aSubShell);
713 else if (!isManifold && (aSubShape.ShapeType() == TopAbs_SHELL) ) {
714 RepItemSeq->Append(aSubShape);
715 NonManifoldGroup->Append(aSubShape);
718 RepItemSeq->Append( iter.Value() );
721 Standard_Integer aNMItemsNb = RepItemSeq->Length();
723 // In case of pure manifold topology do nothing; theShape is processed as usual (see below)
724 if (aNMItemsNb > 0) {
726 // Prepare SDR for non-manifold group. This SDR will be linked to NMSSR by means
727 // of TransferShape invocation. SDR is not created if there is no any manifold
728 // topology in the passed Compound. If topology is pure non-manifold, SDR0 (passed)
730 Handle(StepShape_ShapeDefinitionRepresentation) sdr;
731 if (isOnlyNonManifold)
734 STEPConstruct_Part SDRTool;
735 SDRTool.MakeSDR( 0, myContext.GetProductName(), myContext.GetAPD()->Application() );
736 sdr = SDRTool.SDRValue();
739 aNMBinder = TransientResult(sdr);
741 // Complete SDR with shape representations.
742 // NOTE: aNMBinder is connected now with this SDR. It will be added to the resulting
743 // binder in the end of this invocation of TransferShape
744 for (Standard_Integer i = 1; i <= aNMItemsNb; i++) {
745 Handle(TransferBRep_ShapeMapper) mapper = TransferBRep::ShapeMapper( FP, RepItemSeq->Value(i) );
746 TransferShape(mapper, sdr, FP, NonManifoldGroup, Standard_False);
749 // Nothing else needed for pure non-manifold topology, return
750 if (isOnlyNonManifold)
756 // [END] Separate manifold topology from non-manifold in group mode 0 (ssv; 18.11.2010)
758 // create a list of items to translate
759 Handle(TopTools_HSequenceOfShape) RepItemSeq = new TopTools_HSequenceOfShape();
761 Standard_Boolean isSeparateVertices =
762 Interface_Static::IVal("write.step.vertex.mode") == 0;//bug 23950
763 // PTV 16.09.2002 OCC725 separate shape from solo vertices.
764 Standard_Boolean isOnlyVertices = Standard_False;
765 if (theShape.ShapeType() == TopAbs_COMPOUND) {
766 Standard_Integer countVrtx = 0;
767 Standard_Integer countSh = 0;
768 TopoDS_Compound aNewShape, aCompOfVrtx;
770 aB.MakeCompound(aNewShape);
771 aB.MakeCompound(aCompOfVrtx);
772 TopoDS_Iterator anCompIt(theShape);
773 if (isSeparateVertices) {
774 for (; anCompIt.More(); anCompIt.Next()) {
775 TopoDS_Shape aCurSh = anCompIt.Value();
776 if (aCurSh.ShapeType() != TopAbs_VERTEX) {
777 aB.Add(aNewShape, aCurSh);
781 aB.Add(aCompOfVrtx, aCurSh);
785 // replace the shapes
787 theShape = aNewShape;
789 RepItemSeq->Append(aCompOfVrtx);
791 isOnlyVertices = Standard_True;
795 if (theShape.ShapeType() == TopAbs_COMPOUND) {
796 TopExp_Explorer SolidExp, ShellExp, FaceExp;
797 if (mymode != STEPControl_GeometricCurveSet) {
798 for (SolidExp.Init(theShape, TopAbs_SOLID);
799 SolidExp.More();SolidExp.Next()) {
800 RepItemSeq->Append(TopoDS::Solid(SolidExp.Current()));
802 for (ShellExp.Init(theShape, TopAbs_SHELL, TopAbs_SOLID);
803 ShellExp.More();ShellExp.Next()) {
804 RepItemSeq->Append(TopoDS::Shell(ShellExp.Current()));
807 for (FaceExp.Init(theShape, TopAbs_FACE, TopAbs_SHELL);
808 FaceExp.More();FaceExp.Next()) {
809 RepItemSeq->Append(TopoDS::Face(FaceExp.Current()));
814 RepItemSeq->Append(theShape); //:j1
816 if(mymode == STEPControl_AsIs) {
817 TopExp_Explorer WireExp, EdgeExp;
818 for (WireExp.Init(theShape, TopAbs_WIRE, TopAbs_FACE);
819 WireExp.More();WireExp.Next())
820 RepItemSeq->Append(TopoDS::Wire(WireExp.Current()));
821 for (EdgeExp.Init(theShape, TopAbs_EDGE, TopAbs_WIRE);
822 EdgeExp.More();EdgeExp.Next())
823 RepItemSeq->Append(TopoDS::Edge(EdgeExp.Current()));
827 else if (theShape.ShapeType() == TopAbs_SOLID) {
828 RepItemSeq->Append(TopoDS::Solid(theShape));
830 else if (theShape.ShapeType() == TopAbs_SHELL) {
831 RepItemSeq->Append(TopoDS::Shell(theShape));
833 else if (theShape.ShapeType() == TopAbs_FACE) {
834 RepItemSeq->Append(TopoDS::Face(theShape));
836 else if (theShape.ShapeType() == TopAbs_COMPSOLID) {
837 FP->AddWarning(start,"NonManifold COMPSOLID was translated like a set of SOLIDs");
838 if ( GroupMode() > 0)
839 return TransferCompound(start, SDR0, FP);
841 TopExp_Explorer SolidExp;
842 for (SolidExp.Init(theShape, TopAbs_SOLID);
843 SolidExp.More();SolidExp.Next()) {
844 RepItemSeq->Append(TopoDS::Solid(SolidExp.Current()));
849 else if (mymode != STEPControl_GeometricCurveSet && mymode != STEPControl_AsIs) {
850 FP->AddFail(start,"The Shape is not a SOLID, nor a SHELL, nor a FACE");
853 else RepItemSeq->Append (theShape);
855 // COMPUTING 3D TOLERANCE
856 // Either from Session, or Computed (Least,Average, or Greatest)
857 // Then given to TopoDSToStep_Tool
858 Standard_Real Tol = UsedTolerance (mytoler,theShape);
860 // Create a STEP-Entity for each TopoDS_Shape
861 // according to the current StepModelMode
863 Standard_Integer nbs = RepItemSeq->Length();
864 Handle(TColStd_HSequenceOfTransient) ItemSeq =
865 new TColStd_HSequenceOfTransient();
867 //ptv 10.11.00: allow to write empty Compound: if (GroupMode() >0)
868 ItemSeq->Append (myContext.GetDefaultAxis());
869 STEPControl_StepModelType trmode = mymode;
870 for (Standard_Integer i = 1; i <= nbs; i++) {
871 TopoDS_Shape xShape = RepItemSeq->Value(i);
873 if(mymode == STEPControl_AsIs) {
874 switch(xShape.ShapeType()) {
875 case TopAbs_SOLID : trmode = STEPControl_ManifoldSolidBrep;break;
876 case TopAbs_SHELL : trmode = STEPControl_ShellBasedSurfaceModel; break;
877 case TopAbs_FACE : trmode = STEPControl_ShellBasedSurfaceModel;break;
878 default : trmode =STEPControl_GeometricCurveSet; break;
881 //:abv 24Jan99 CAX-IF TRJ3: expanded Shape Processing
882 // TopoDS_Shape aShape = xShape;
883 // eliminate conical surfaces with negative semiangles
884 // Handle(TopoDSToStep_ConicalSurfModif) CSM = new TopoDSToStep_ConicalSurfModif();
885 // BRepTools_Modifier CSMT(aShape,CSM);
886 // if ( CSMT.IsDone() ) aShape = CSMT.ModifiedShape ( aShape );
887 // // eliminate indirect elementary surfaces
888 // Handle(TopoDSToStep_DirectModification) DM = new TopoDSToStep_DirectModification();
889 // BRepTools_Modifier DMT(aShape,DM);
890 // if ( DMT.IsDone() ) aShape = DMT.ModifiedShape ( aShape );
891 //// aShape = TopoDSToStep::DirectFaces(xShape);
892 Handle(Standard_Transient) info;
893 Standard_Real maxTol = Interface_Static::RVal("read.maxprecision.val");
895 // Fix only manifold shapes, do nothing with non-manifold topology as it is processed separately (ssv; 13.11.2010)
898 aShape = XSAlgo::AlgoContainer()->ProcessShape(xShape, Tol, maxTol,
899 "write.step.resource.name",
900 "write.step.sequence", info,
905 // create a STEP entity corresponding to shape
906 Handle(StepGeom_GeometricRepresentationItem) item;
909 case STEPControl_ManifoldSolidBrep:
911 if (aShape.ShapeType() == TopAbs_SOLID) {
912 TopoDS_Solid aSolid = TopoDS::Solid(aShape);
914 //:d6 abv 13 Mar 98: if solid has more than 1 shell,
915 // try to treat it as solid with voids
916 Standard_Integer nbShells = 0;
917 for ( TopoDS_Iterator It ( aSolid ); It.More(); It.Next() )
918 if (It.Value().ShapeType() == TopAbs_SHELL) nbShells++;
920 TopoDSToStep_MakeBrepWithVoids MkBRepWithVoids(aSolid,FP);
921 MkBRepWithVoids.Tolerance() = Tol;
922 if (MkBRepWithVoids.IsDone()) {
923 item = MkBRepWithVoids.Value();
925 else nbShells = 1; //smth went wrong; let it will be just Manifold
927 if ( nbShells ==1 ) {
929 TopoDSToStep_MakeManifoldSolidBrep MkManifoldSolidBrep(aSolid,FP);
930 MkManifoldSolidBrep.Tolerance() = Tol;
931 if (MkManifoldSolidBrep.IsDone()) {
932 item = MkManifoldSolidBrep.Value();
936 else if (aShape.ShapeType() == TopAbs_SHELL) {
937 TopoDS_Shell aShell = TopoDS::Shell(aShape);
938 TopoDSToStep_MakeManifoldSolidBrep MkManifoldSolidBrep(aShell,FP);
939 MkManifoldSolidBrep.Tolerance() = Tol;
940 if (MkManifoldSolidBrep.IsDone()) {
941 item = MkManifoldSolidBrep.Value();
946 case STEPControl_BrepWithVoids:
948 if (aShape.ShapeType() == TopAbs_SOLID) {
949 TopoDS_Solid aSolid = TopoDS::Solid(aShape);
950 TopoDSToStep_MakeBrepWithVoids MkBRepWithVoids(aSolid,FP);
951 MkBRepWithVoids.Tolerance() = Tol;
952 if (MkBRepWithVoids.IsDone()) {
953 item = MkBRepWithVoids.Value();
958 case STEPControl_FacetedBrep:
960 TopoDSToStep_FacetedError facErr = TopoDSToStep_FacetedTool::CheckTopoDSShape(aShape);
961 if (facErr != TopoDSToStep_FacetedDone) {
962 FP->AddFail(start,"Error in Faceted Shape from TopoDS");
963 if (facErr == TopoDSToStep_SurfaceNotPlane) {
964 FP->AddFail(start,"-- The TopoDS_Face is not plane");
966 else if (facErr == TopoDSToStep_PCurveNotLinear) {
967 FP->AddFail(start,"-- The Face contains non linear PCurves");
971 if (aShape.ShapeType() == TopAbs_SOLID) {
972 TopoDS_Solid aSolid = TopoDS::Solid(aShape);
973 TopoDSToStep_MakeFacetedBrep MkFacetedBrep(aSolid,FP);
974 MkFacetedBrep.Tolerance() = Tol;
975 if (MkFacetedBrep.IsDone()) {
976 item = MkFacetedBrep.Value();
981 case STEPControl_FacetedBrepAndBrepWithVoids:
983 TopoDSToStep_FacetedError facErr = TopoDSToStep_FacetedTool::CheckTopoDSShape(aShape);
984 if (facErr != TopoDSToStep_FacetedDone) {
985 FP->AddFail(start,"Error in Faceted Shape from TopoDS");
986 if (facErr == TopoDSToStep_SurfaceNotPlane) {
987 FP->AddFail(start,"-- The TopoDS_Face is not plane");
989 else if (facErr == TopoDSToStep_PCurveNotLinear) {
990 FP->AddFail(start,"-- The Face contains non linear PCurves");
994 if (aShape.ShapeType() == TopAbs_SOLID) {
995 TopoDS_Solid aSolid = TopoDS::Solid(aShape);
996 TopoDSToStep_MakeFacetedBrepAndBrepWithVoids
997 MkFacetedBrepAndBrepWithVoids(aSolid,FP);
998 MkFacetedBrepAndBrepWithVoids.Tolerance() = Tol;
999 if (MkFacetedBrepAndBrepWithVoids.IsDone()) {
1000 item = MkFacetedBrepAndBrepWithVoids.Value();
1005 case STEPControl_ShellBasedSurfaceModel:
1007 if (aShape.ShapeType() == TopAbs_SOLID) {
1008 TopoDS_Solid aSolid = TopoDS::Solid(aShape);
1009 TopoDSToStep_MakeShellBasedSurfaceModel
1010 MkShellBasedSurfaceModel(aSolid, FP);
1011 MkShellBasedSurfaceModel.Tolerance() = Tol;
1012 if (MkShellBasedSurfaceModel.IsDone()) {
1013 item = MkShellBasedSurfaceModel.Value();
1016 else if (aShape.ShapeType() == TopAbs_SHELL) {
1017 TopoDS_Shell aShell = TopoDS::Shell(aShape);
1018 // Non-manifold topology is stored via NMSSR containing series of SBSM (ssv; 13.11.2010)
1019 TopoDSToStep_MakeShellBasedSurfaceModel MkShellBasedSurfaceModel(aShell, FP);
1020 MkShellBasedSurfaceModel.Tolerance() = Tol;
1021 if (MkShellBasedSurfaceModel.IsDone()) {
1022 item = MkShellBasedSurfaceModel.Value();
1025 else if (aShape.ShapeType() == TopAbs_FACE) {
1026 TopoDS_Face aFace = TopoDS::Face(aShape);
1027 TopoDSToStep_MakeShellBasedSurfaceModel
1028 MkShellBasedSurfaceModel(aFace, FP);
1029 MkShellBasedSurfaceModel.Tolerance() = Tol;
1030 if (MkShellBasedSurfaceModel.IsDone()) {
1031 item = MkShellBasedSurfaceModel.Value();
1036 case STEPControl_GeometricCurveSet:
1038 TopoDSToStep_MakeGeometricCurveSet MkGeometricCurveSet(aShape,FP);
1039 MkGeometricCurveSet.Tolerance() = Tol;
1040 if (MkGeometricCurveSet.IsDone()) {
1041 item = MkGeometricCurveSet.Value();
1043 // PTV 22.08.2002 OCC609 ------------------------- begin --------------------
1044 // modified by PTV 16.09.2002 OCC725
1045 else if (aShape.ShapeType() == TopAbs_COMPOUND ||
1046 aShape.ShapeType() == TopAbs_VERTEX) {
1047 // it is compund with solo vertices.
1048 Standard_Integer aNbVrtx = 0;
1049 Standard_Integer curNb = 0;
1050 TopExp_Explorer anExp (aShape, TopAbs_VERTEX);
1051 for ( ; anExp.More(); anExp.Next() ) {
1052 if ( anExp.Current().ShapeType() != TopAbs_VERTEX )
1057 // create new geometric curve set for all vertices
1058 Handle(StepShape_HArray1OfGeometricSetSelect) aGSS =
1059 new StepShape_HArray1OfGeometricSetSelect(1,aNbVrtx);
1060 Handle(TCollection_HAsciiString) empty = new TCollection_HAsciiString("");
1061 Handle(StepShape_GeometricCurveSet) aGCSet =
1062 new StepShape_GeometricCurveSet;
1063 aGCSet->SetName(empty);
1064 // iterates on compound with vertices and trances each vertex
1065 for ( anExp.ReInit() ; anExp.More(); anExp.Next() ) {
1066 TopoDS_Shape aVertex = anExp.Current();
1067 if ( aVertex.ShapeType() != TopAbs_VERTEX )
1070 transferVertex (FP, aGSS, aVertex, curNb);
1071 } // end of iteration on compound with vertices.
1072 aGCSet->SetElements(aGSS);
1074 } // end of check that number of vertices is not null
1076 // PTV 22.08.2002 OCC609------------------------- end --------------------
1081 if ( item.IsNull() ) continue;
1083 // add resulting item to the FP
1084 ItemSeq->Append(item);
1085 Handle(TransferBRep_ShapeMapper) submapper;
1086 if ( xShape.IsSame ( mapper->Value() ) )
1087 submapper = Handle(TransferBRep_ShapeMapper)::DownCast ( start );
1088 if ( submapper.IsNull() ) submapper = TransferBRep::ShapeMapper (FP,xShape);
1089 Handle(Transfer_Binder) subbind = FP->Find ( submapper );
1090 if ( subbind.IsNull() ) {
1091 subbind = TransientResult ( item );
1092 FP->Bind ( submapper, subbind );
1094 else subbind->AddResult ( TransientResult ( item ) );
1096 //:abv 24Jan99 CAX-IF TRJ3: Update FinderProcess map to take into account shape processing
1097 // UpdateMap ( xShape, CSMT, DMT, FP );
1098 XSAlgo::AlgoContainer()->MergeTransferInfo(FP, info);
1101 // - Make Shape Representation
1102 Standard_Integer nCc1 = ItemSeq->Length();
1104 FP->AddFail(start,"The Shape has not the appropriate type");
1107 Handle(StepShape_ShapeRepresentation) shapeRep;
1108 if ( theShape.ShapeType() == TopAbs_SHAPE ) { // for external references
1109 shapeRep = new StepShape_ShapeRepresentation;
1113 case STEPControl_ManifoldSolidBrep:
1114 shapeRep = new StepShape_AdvancedBrepShapeRepresentation;
1116 case STEPControl_FacetedBrep:
1117 shapeRep = new StepShape_FacetedBrepShapeRepresentation;
1119 // NOTE: STEPControl_AsIs mode is normally used to transfer non-manifold topology.
1120 // However, as ShellBasedSurfaceModel is used in non-manifold processing
1121 // internally, STEPControl_ShellBasedSurfaceModel is also adjusted to
1122 // be able to work with non-manifold cases
1123 case STEPControl_ShellBasedSurfaceModel:
1125 shapeRep = new StepShape_ManifoldSurfaceShapeRepresentation;
1127 Standard_Boolean isNewNMSSRCreated;
1128 shapeRep = this->getNMSSRForGroup(shapeGroup, FP, isNewNMSSRCreated);
1129 useExistingNMSSR = !isNewNMSSRCreated;
1132 case STEPControl_GeometricCurveSet:
1133 shapeRep = new StepShape_GeometricallyBoundedWireframeShapeRepresentation;
1135 case STEPControl_AsIs :
1138 if(trmode == STEPControl_ManifoldSolidBrep)
1139 shapeRep = new StepShape_AdvancedBrepShapeRepresentation;
1140 else if(trmode == STEPControl_ShellBasedSurfaceModel)
1141 // Process non-manifold topology separately (ssv; 13.11.2010)
1143 shapeRep = new StepShape_ManifoldSurfaceShapeRepresentation;
1145 Standard_Boolean isNewNMSSRCreated;
1146 shapeRep = this->getNMSSRForGroup(shapeGroup, FP, isNewNMSSRCreated);
1147 useExistingNMSSR = !isNewNMSSRCreated;
1149 else if(trmode == STEPControl_GeometricCurveSet)
1150 shapeRep = new StepShape_GeometricallyBoundedWireframeShapeRepresentation;
1151 else if(trmode ==STEPControl_FacetedBrep)
1152 shapeRep = new StepShape_FacetedBrepShapeRepresentation;
1154 else shapeRep = new StepShape_ShapeRepresentation;
1160 if(shapeRep.IsNull()) {
1161 Handle(Transfer_Binder) resb;
1165 Handle(StepRepr_HArray1OfRepresentationItem) items =
1166 new StepRepr_HArray1OfRepresentationItem(1,nCc1);
1168 for (Standard_Integer rep = 1; rep <= nCc1; rep++) {
1169 Handle(StepRepr_RepresentationItem) repit =
1170 GetCasted(StepRepr_RepresentationItem, ItemSeq->Value(rep));
1171 items->SetValue(rep,repit);
1173 Standard_Integer ap = Interface_Static::IVal("write.step.schema");
1174 Transfer_SequenceOfBinder aSeqBindRelation;
1175 if(ap == 3 && nbs > 1) {
1176 Standard_Integer j = 1;
1177 if(items->Value(j)->IsKind(STANDARD_TYPE(StepGeom_Axis2Placement3d))) {
1178 Handle(StepRepr_HArray1OfRepresentationItem) axis =
1179 new StepRepr_HArray1OfRepresentationItem(1,1);
1180 axis->SetValue(1,items->Value(j++));
1181 shapeRep->SetItems(axis);
1183 for (; j <= items->Length(); j++) {
1185 Handle(StepShape_ShapeRepresentation) ShapeRepr1;
1186 if(items->Value(j)->IsKind(STANDARD_TYPE(StepShape_ManifoldSolidBrep)))
1187 ShapeRepr1 = new StepShape_AdvancedBrepShapeRepresentation;
1188 else if(items->Value(j)->IsKind(STANDARD_TYPE(StepShape_ShellBasedSurfaceModel)))
1189 ShapeRepr1 = new StepShape_ManifoldSurfaceShapeRepresentation;
1190 else if(items->Value(j)->IsKind(STANDARD_TYPE(StepShape_GeometricCurveSet)))
1191 ShapeRepr1 = new StepShape_GeometricallyBoundedWireframeShapeRepresentation;
1192 else if (items->Value(j)->IsKind(STANDARD_TYPE(StepShape_FacetedBrep)))
1193 ShapeRepr1 = new StepShape_FacetedBrepShapeRepresentation;
1194 else ShapeRepr1 = new StepShape_ShapeRepresentation;
1196 Handle(StepRepr_HArray1OfRepresentationItem) repr1 = new StepRepr_HArray1OfRepresentationItem(1,2);
1197 repr1->SetValue(1,myContext.GetDefaultAxis());
1198 repr1->SetValue(2,items->Value(j));
1199 ShapeRepr1->SetItems(repr1);
1200 STEPConstruct_UnitContext mk1;
1202 ShapeRepr1->SetContextOfItems(mk1.Value()); // la tolerance, voir au debut
1203 ShapeRepr1->SetName (new TCollection_HAsciiString(""));
1205 Handle(StepRepr_ShapeRepresentationRelationship) aShapeRel = new StepRepr_ShapeRepresentationRelationship;
1206 Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
1207 Handle(TCollection_HAsciiString) aDescr = new TCollection_HAsciiString("");
1208 aShapeRel->SetName(aName);
1209 aShapeRel->SetDescription(aDescr);
1210 aShapeRel->SetRep2(shapeRep);
1211 aShapeRel->SetRep1(ShapeRepr1);
1213 aSeqBindRelation.Append(TransientResult (aShapeRel));
1217 if (!useExistingNMSSR)
1218 shapeRep->SetItems(items);
1220 // Add new representation item to the NMSSR's existing collection (ssv; 13.11.2010)
1221 Handle(StepRepr_HArray1OfRepresentationItem) oldItems = shapeRep->Items();
1222 Handle(StepRepr_HArray1OfRepresentationItem) newItems =
1223 new StepRepr_HArray1OfRepresentationItem(1, oldItems->Length() + 1);
1224 Standard_Integer el = 1;
1225 for (Standard_Integer i = 1; i <= oldItems->Length(); i++)
1226 newItems->SetValue( el++, oldItems->Value(i) );
1227 newItems->SetValue( el, items->Value( items->Length() ) );
1228 shapeRep->SetItems(newItems);
1232 // init representation
1233 STEPConstruct_UnitContext mk;
1235 shapeRep->SetContextOfItems(mk.Value()); // la tolerance, voir au debut
1236 shapeRep->SetName (new TCollection_HAsciiString(""));
1238 // Create SDR (only once for non-manifold group)
1239 if (!useExistingNMSSR) {
1240 SDR0->SetUsedRepresentation (shapeRep);
1241 // create binder for SR and attach to it binder for RepItem (if exists)
1242 Handle(Transfer_Binder) resbind = TransientResult(shapeRep);
1243 binder = FP->Find(start);
1244 if ( ! binder.IsNull() ) {
1245 resbind->AddResult ( binder );
1246 FP->Rebind(start,resbind);
1247 //binder->AddResult ( resbind );
1250 for(Standard_Integer k = 1; k <= aSeqBindRelation.Length(); k++)
1251 resbind->AddResult(aSeqBindRelation.Value(k));
1253 // Add SDR for non-manifold topology in group mode 0 (ssv; 18.11.2010)
1254 if ( !aNMBinder.IsNull() )
1255 resbind->AddResult(aNMBinder);
1258 } else return FP->Find(start);
1262 //=======================================================================
1263 //function : TransferCompound
1264 // #### TRANSFER COMPOUND AS (SUB-)ASSEMBLY
1266 //=======================================================================
1268 Handle(Transfer_Binder) STEPControl_ActorWrite::TransferCompound (const Handle(Transfer_Finder)& start,
1269 const Handle(StepShape_ShapeDefinitionRepresentation)& SDR0,
1270 const Handle(Transfer_FinderProcess)& FP)
1272 Handle(TransferBRep_ShapeMapper) mapper = Handle(TransferBRep_ShapeMapper)::DownCast(start);
1273 Handle(Transfer_Binder) binder;
1274 if (mapper.IsNull()) return binder;
1275 TopoDS_Shape theShape = mapper->Value();
1277 // Inspect non-manifold topology case (ssv; 10.11.2010)
1278 Standard_Boolean isNMMode = Interface_Static::IVal("write.step.nonmanifold");
1279 Standard_Boolean isManifold;
1281 isManifold = IsManifoldShape(theShape);
1283 isManifold = Standard_True;
1285 // get a sequence of components (subshapes)
1286 Handle(TopTools_HSequenceOfShape) RepItemSeq = new TopTools_HSequenceOfShape();
1287 // Prepare a collection for non-manifold group of shapes
1288 Handle(TopTools_HSequenceOfShape) NonManifoldGroup = new TopTools_HSequenceOfShape();
1289 Standard_Boolean isSeparateVertices =
1290 (Interface_Static::IVal("write.step.vertex.mode") == 0);//bug 23950
1291 // PTV OCC725 17.09.2002 -- begin --
1292 Standard_Integer nbFreeVrtx = 0;
1293 TopoDS_Compound aCompOfVrtx;
1295 aB.MakeCompound(aCompOfVrtx);
1299 cout << "Exploding Solids to Shells if any..." << endl;
1302 for (TopoDS_Iterator iter(theShape); iter.More(); iter.Next()) {
1303 TopoDS_Shape aSubShape = iter.Value();
1304 if (aSubShape.ShapeType() != TopAbs_VERTEX || !isSeparateVertices) {
1306 // Store non-manifold topology as shells (ssv; 10.11.2010)
1307 if (!isManifold && aSubShape.ShapeType() == TopAbs_SOLID) {
1308 for ( TopoDS_Iterator aSubIter(aSubShape); aSubIter.More(); aSubIter.Next() ) {
1309 TopoDS_Shell aSubShell = TopoDS::Shell( aSubIter.Value() );
1310 aSubShell.Closed(Standard_True);
1311 RepItemSeq->Append(aSubShell);
1312 NonManifoldGroup->Append(aSubShell);
1315 else if (!isManifold && (aSubShape.ShapeType() == TopAbs_SHELL) ) {
1316 RepItemSeq->Append(aSubShape);
1317 NonManifoldGroup->Append(aSubShape);
1320 RepItemSeq->Append(aSubShape);
1324 aB.Add(aCompOfVrtx, iter.Value());
1328 RepItemSeq->Append (aCompOfVrtx);
1330 // PTV OCC725 17.09.2002 -- end --
1332 // Constitution : liste d axes, le premier est l origine, les suivants : 1
1334 Handle(StepShape_ShapeRepresentation) shapeRep =
1335 Handle(StepShape_ShapeRepresentation)::DownCast(SDR0->UsedRepresentation());
1336 if ( shapeRep.IsNull() ) {
1337 shapeRep = new StepShape_ShapeRepresentation;
1338 SDR0->SetUsedRepresentation(shapeRep); // to be used by MakeItem
1340 binder = TransientResult(SDR0); // set SDR as first item in order to be found first (but not SDR of subshape!)
1341 binder->AddResult ( TransientResult(shapeRep) );
1343 // translate components
1344 Standard_Integer i, nbs = RepItemSeq->Length();
1345 Handle(TColStd_HSequenceOfTransient) ItemSeq = new TColStd_HSequenceOfTransient();
1346 ItemSeq->Append (myContext.GetDefaultAxis());
1347 myContext.NextLevel();
1348 for ( i = 1; i <= nbs; i ++) {
1349 Handle(TransferBRep_ShapeMapper) subs = TransferBRep::ShapeMapper (FP,RepItemSeq->Value(i));
1350 Handle(StepGeom_Axis2Placement3d) AX1;
1352 Handle(Transfer_Binder) bnd = TransferSubShape(subs, SDR0, AX1, FP, NonManifoldGroup, isManifold);
1354 if (!AX1.IsNull()) ItemSeq->Append (AX1);
1355 // copy binders so as to have all roots in upper binder, but do not conflict
1356 while ( !bnd.IsNull() ) {
1357 Handle(Transfer_SimpleBinderOfTransient) bx =
1358 Handle(Transfer_SimpleBinderOfTransient)::DownCast(bnd);
1359 if ( !bx.IsNull() ) {
1360 // Single SDR is created for a non-manifold group (ssv: 12.11.2010)
1361 if (!isManifold && i > 1)
1364 binder->AddResult( TransientResult( bx->Result() ) );
1366 bnd = bnd->NextResult();
1369 myContext.PrevLevel();
1371 Standard_Integer nsub = ItemSeq->Length();
1372 Handle(StepRepr_HArray1OfRepresentationItem) items =
1373 new StepRepr_HArray1OfRepresentationItem(1,nsub);
1375 // initialize representation
1376 for (Standard_Integer rep = 1; rep <= nsub; rep++)
1377 items->SetValue(rep,GetCasted(StepRepr_RepresentationItem, ItemSeq->Value(rep)));
1378 shapeRep->SetItems(items);
1379 Standard_Real Tol = UsedTolerance (mytoler,theShape);
1380 STEPConstruct_UnitContext mk;
1382 shapeRep->SetContextOfItems(mk.Value()); // la tolerance, voir au debut
1383 shapeRep->SetName (new TCollection_HAsciiString(""));
1386 // SDR0->SetUsedRepresentation (shapeRep);
1391 //=======================================================================
1392 //function : TransferSubShape
1394 //=======================================================================
1396 Handle(Transfer_Binder) STEPControl_ActorWrite::TransferSubShape (const Handle(Transfer_Finder)& start,
1397 const Handle(StepShape_ShapeDefinitionRepresentation)& SDR0,
1398 Handle(StepGeom_Axis2Placement3d)& AX1,
1399 const Handle(Transfer_FinderProcess)& FP,
1400 const Handle(TopTools_HSequenceOfShape)& shapeGroup,
1401 const Standard_Boolean isManifold)
1403 Handle(TransferBRep_ShapeMapper) mapper = Handle(TransferBRep_ShapeMapper)::DownCast(start);
1404 if (mapper.IsNull()) return NullResult();
1405 TopoDS_Shape shape = mapper->Value();
1407 // SHAPE EN POSITION VENANT D UN ASSEMBLAGE
1408 // Il faut alors distinguer la transformation de la shape meme
1409 // laquelle est consideree a l origine, puis transferee
1410 // A part, un item decrivant une occurence en position est cree
1411 // SINON, la shape est prise et transferee telle quelle
1412 TopoDS_Shape sh0 = shape;
1414 if ( GroupMode() >0) {
1415 TopLoc_Location shloc = shape.Location();
1416 aLoc = shloc.Transformation();
1417 TopLoc_Location shident;
1418 sh0.Location (shident);
1419 mapper = TransferBRep::ShapeMapper(FP,sh0);
1420 mapper->SameAttributes (start);
1423 Handle(Transfer_Binder) resbind = FP->Find(mapper);
1424 Handle(StepShape_ShapeDefinitionRepresentation) sdr;
1425 // Handle(StepShape_ShapeRepresentation) resultat;
1426 STEPConstruct_Part SDRTool;
1428 // Already SDR and SR available : take them as are
1429 Standard_Boolean iasdr = FP->GetTypedTransient
1430 (resbind,STANDARD_TYPE(StepShape_ShapeDefinitionRepresentation),sdr);
1431 if ( iasdr ) SDRTool.ReadSDR ( sdr );
1433 SDRTool.MakeSDR ( 0, myContext.GetProductName(), myContext.GetAPD()->Application() );
1434 sdr = SDRTool.SDRValue();
1436 // resultat = GetCasted(StepShape_ShapeRepresentation,sdr->UsedRepresentation());
1438 // if shape itself not yet translated, do it now
1439 //:abv 20.05.02: see comment in TransferShape(): added "! iasdr ||"
1440 Handle(Transfer_Binder) resprod = TransientResult(sdr); //KA - OCC7141(skl 10.11.2004)
1441 if ( ! iasdr || resbind.IsNull() ) {
1442 resbind = TransferShape(mapper, sdr, FP, shapeGroup, isManifold);
1443 Handle(Transfer_Binder) oldbind = FP->Find ( mapper );
1444 if ( ! oldbind.IsNull() && !resbind.IsNull()) resbind->AddResult ( oldbind );
1445 FP->Bind (mapper,resbind);
1446 resprod=resbind; //KA - OCC7141(skl 10.11.2004)
1448 if (resprod.IsNull())
1451 // A new resbind may have been produced
1452 // DeclareAndCast(Transfer_SimpleBinderOfTransient,restrans,resbind);
1453 // if (restrans.IsNull()) return resbind;
1454 // FP->GetTypedTransient (resbind,STANDARD_TYPE(StepShape_ShapeRepresentation),resultat);
1455 // sdr->SetUsedRepresentation(resultat); // to be used by MakeItem
1457 // make location for assembly placement
1458 GeomToStep_MakeAxis2Placement3d mkax (aLoc);
1459 Handle(StepGeom_Axis2Placement3d) AxLoc = mkax.Value();
1462 // create assembly structures (CDSR, NAUO etc.)
1463 STEPConstruct_Assembly mkitem;
1464 mkitem.Init (sdr,SDR0,myContext.GetDefaultAxis(),AxLoc);
1465 mkitem.MakeRelationship ();
1466 Handle(TColStd_HSequenceOfTransient) roots = myContext.GetRootsForAssemblyLink ( mkitem );
1468 // add roots corresponding to assembly and product structures to binder
1469 //Handle(Transfer_Binder) resprod = resbind; //KA - OCC7141(skl 10.11.2004)
1470 //KA: we need only the current subshape in resprod, since the binder is copied
1471 // in Transfershape which calls Transfersubshape [ OCC7141(skl 10.11.2004) ]
1473 resprod->AddResult ( TransientResult ( SDRTool.SDRValue() ) );
1474 resbind->AddResult ( TransientResult ( SDRTool.SDRValue() ) ); //KA - OCC7141(skl 10.11.2004)
1475 roots->Append ( myContext.GetRootsForPart ( SDRTool ) );
1477 for ( Standard_Integer i=1; i <= roots->Length(); i++ ) {
1478 resprod->AddResult ( TransientResult ( roots->Value(i) ) );
1479 resbind->AddResult ( TransientResult ( roots->Value(i) ) ); //KA - OCC7141(skl 10.11.2004)
1481 myContext.NextIndex();
1483 //FP->Bind (mapper,resprod); //KA - OCC7141(skl 10.11.2004)
1485 // abv 16.10.00: bind CDSR (et al) to located shape in order to be able to track instances
1486 if ( mapper != start ) {
1487 Handle(Transfer_Binder) bnd = FP->Find ( start );
1488 for ( Standard_Integer j=1; j <= roots->Length(); j++ )
1489 if ( bnd.IsNull() ) bnd = TransientResult ( roots->Value(j) );
1490 else bnd->AddResult ( TransientResult ( roots->Value(j) ) );
1491 FP->Bind ( start, bnd );