1 // Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <GEOMImpl_ShapeDriver.hxx>
25 #include <GEOMImpl_IExtract.hxx>
26 #include <GEOMImpl_IIsoline.hxx>
27 #include <GEOMImpl_IShapes.hxx>
28 #include <GEOMImpl_IShapeExtend.hxx>
29 #include <GEOMImpl_IVector.hxx>
30 #include <GEOMImpl_Types.hxx>
31 #include <GEOMImpl_Block6Explorer.hxx>
33 #include <GEOM_Function.hxx>
34 #include <GEOMUtils_Hatcher.hxx>
35 #include <GEOMAlgo_State.hxx>
36 #include <GEOMAlgo_Extractor.hxx>
39 #include <ShapeFix_Wire.hxx>
40 #include <ShapeFix_Edge.hxx>
41 #include <ShapeFix_Shape.hxx>
43 #include <BRep_Builder.hxx>
44 #include <BRep_Tool.hxx>
45 #include <BRepAdaptor_Curve.hxx>
46 #include <BRepAlgo_FaceRestrictor.hxx>
47 #include <BRepBuilderAPI_Copy.hxx>
48 #include <BRepBuilderAPI_Sewing.hxx>
49 #include <BRepBuilderAPI_MakeFace.hxx>
50 #include <BRepBuilderAPI_MakeWire.hxx>
51 #include <BRepBuilderAPI_MakeEdge.hxx>
52 #include <BRepBuilderAPI_MakeSolid.hxx>
53 #include <BRepCheck.hxx>
54 #include <BRepCheck_Analyzer.hxx>
55 #include <BRepCheck_Shell.hxx>
56 #include <BRepClass3d_SolidClassifier.hxx>
57 #include <BRepLib.hxx>
58 #include <BRepLib_MakeEdge.hxx>
59 #include <BRepTools.hxx>
60 #include <BRepTools_WireExplorer.hxx>
62 #include <ShapeAnalysis_FreeBounds.hxx>
64 #include <TNaming_CopyShape.hxx>
68 #include <TopExp_Explorer.hxx>
70 #include <TopoDS_Shape.hxx>
71 #include <TopoDS_Edge.hxx>
72 #include <TopoDS_Wire.hxx>
73 #include <TopoDS_Shell.hxx>
74 #include <TopoDS_Solid.hxx>
75 #include <TopoDS_Compound.hxx>
76 #include <TopoDS_Iterator.hxx>
78 #include <TopTools_ListIteratorOfListOfShape.hxx>
79 #include <TopTools_ListOfShape.hxx>
80 #include <TopTools_MapOfShape.hxx>
81 #include <TopTools_HSequenceOfShape.hxx>
85 #include <GCPnts_AbscissaPoint.hxx>
87 #include <Geom_TrimmedCurve.hxx>
88 #include <Geom_RectangularTrimmedSurface.hxx>
89 #include <Geom_Surface.hxx>
90 #include <GeomAbs_CurveType.hxx>
91 #include <GeomConvert_CompCurveToBSplineCurve.hxx>
92 #include <GeomConvert.hxx>
93 #include <GeomLProp.hxx>
95 #include <TColStd_IndexedDataMapOfTransientTransient.hxx>
96 #include <TColStd_SequenceOfReal.hxx>
97 #include <TColStd_HSequenceOfTransient.hxx>
98 #include <TColStd_Array1OfReal.hxx>
99 #include <TColGeom_SequenceOfCurve.hxx>
100 #include <TColGeom_Array1OfBSplineCurve.hxx>
101 #include <TColGeom_HArray1OfBSplineCurve.hxx>
103 #include <Precision.hxx>
105 #include <Standard_NullObject.hxx>
106 #include <Standard_TypeMismatch.hxx>
107 #include <Standard_ConstructionError.hxx>
109 #include <BOPAlgo_PaveFiller.hxx>
110 #include <BOPAlgo_MakerVolume.hxx>
115 * \brief This static function converts the list of shapes into an array
116 * of their IDs. If the input list is empty, null handle will be returned.
117 * this method doesn't check if a shape presents in theIndices map.
119 * \param theListOfShapes the list of shapes.
120 * \param theIndices the indexed map of shapes.
121 * \return the array of shape IDs.
123 static Handle(TColStd_HArray1OfInteger) GetShapeIDs
124 (const TopTools_ListOfShape &theListOfShapes,
125 const TopTools_IndexedMapOfShape &theIndices)
127 Handle(TColStd_HArray1OfInteger) aResult;
129 if (!theListOfShapes.IsEmpty()) {
130 const Standard_Integer aNbShapes = theListOfShapes.Extent();
131 TopTools_ListIteratorOfListOfShape anIter(theListOfShapes);
134 aResult = new TColStd_HArray1OfInteger(1, aNbShapes);
136 for (i = 1; anIter.More(); anIter.Next(), ++i) {
137 const TopoDS_Shape &aShape = anIter.Value();
138 const Standard_Integer anIndex = theIndices.FindIndex(aShape);
140 aResult->SetValue(i, anIndex);
149 // check that compound includes only shapes of expected type
150 bool checkCompound( TopoDS_Shape& c, TopAbs_ShapeEnum t )
152 TopoDS_Iterator it( c, Standard_True, Standard_True );
154 // empty compound is OK only if we explicitly create a compound of shapes
157 // => if expected type is TopAbs_SHAPE, we allow compound consisting of any shapes, this above check is enough
158 // => otherwise we have to check compound's content
159 // => compound sometimes can contain enclosed compound(s), we process them recursively and rebuild initial compound
161 if ( t != TopAbs_SHAPE ) {
163 std::list<TopoDS_Shape> compounds, shapes;
164 compounds.push_back( c );
165 while ( !compounds.empty() && result ) {
166 // check that compound contains only shapes of expected type
167 TopoDS_Shape cc = compounds.front();
168 compounds.pop_front();
169 it.Initialize( cc, Standard_True, Standard_True );
170 for ( ; it.More() && result; it.Next() ) {
171 TopAbs_ShapeEnum tt = it.Value().ShapeType();
172 if ( tt == TopAbs_COMPOUND || tt == TopAbs_COMPSOLID ) {
173 compounds.push_back( it.Value() );
176 shapes.push_back( it.Value() );
181 if ( shapes.empty() ) {
184 else if ( shapes.size() == 1 ) {
189 TopoDS_Compound newc;
190 b.MakeCompound( newc );
191 std::list<TopoDS_Shape> ::const_iterator sit;
192 for ( sit = shapes.begin(); sit != shapes.end(); ++sit )
203 * This function adds faces from the input shape into the list of faces. If
204 * the input shape is a face, it is added itself. If it is a shell, its
205 * sub-shapes (faces) are added. If it is a compound, its sub-shapes
206 * (faces or shells) are added in the list. For null shapes and for other
207 * types of shapes an exception is thrown.
209 * @param theShape the shape to be added. Either face or shell or a compound
210 * of faces and/or shells.
211 * @param theListFaces the list of faces that is modified on output.
212 * @param theMapFence the map that protects from adding the same faces in
215 void addFaces(const TopoDS_Shape &theShape,
216 TopTools_ListOfShape &theListFaces,
217 TopTools_MapOfShape &theMapFence)
219 if (theShape.IsNull()) {
220 Standard_NullObject::Raise("Face for shell construction is null");
223 // Append the shape is the mapFence
224 if (theMapFence.Add(theShape)) {
226 const TopAbs_ShapeEnum aType = theShape.ShapeType();
228 if (aType == TopAbs_FACE) {
229 theListFaces.Append(theShape);
230 } else if (aType == TopAbs_SHELL || aType == TopAbs_COMPOUND) {
231 TopoDS_Iterator anIter(theShape);
233 for (; anIter.More(); anIter.Next()) {
234 // Add sub-shapes: faces for shell or faces/shells for compound.
235 const TopoDS_Shape &aSubShape = anIter.Value();
237 addFaces(aSubShape, theListFaces, theMapFence);
240 Standard_TypeMismatch::Raise
241 ("Shape for shell construction is neither a shell nor a face");
247 * This function constructs a shell or a compound of shells
248 * from a set of faces and/or shells.
250 * @param theShapes is a set of faces, shells and/or
251 * compounds of faces/shells.
252 * @return a shell or a compound of shells.
254 TopoDS_Shape makeShellFromFaces
255 (const Handle(TColStd_HSequenceOfTransient) &theShapes)
257 const Standard_Integer aNbShapes = theShapes->Length();
259 TopTools_ListOfShape aListFaces;
260 TopTools_MapOfShape aMapFence;
261 BRep_Builder aBuilder;
263 // Fill the list of unique faces
264 for (i = 1; i <= aNbShapes; ++i) {
266 const Handle(GEOM_Function) aRefShape =
267 Handle(GEOM_Function)::DownCast(theShapes->Value(i));
269 if (aRefShape.IsNull()) {
270 Standard_NullObject::Raise("Face for shell construction is null");
274 const TopoDS_Shape aShape = aRefShape->GetValue();
276 addFaces(aShape, aListFaces, aMapFence);
279 // Perform computation of shells.
280 TopTools_ListOfShape aListShells;
281 TopTools_ListIteratorOfListOfShape anIter;
283 while (!aListFaces.IsEmpty()) {
285 BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
287 for (anIter.Initialize(aListFaces); anIter.More(); anIter.Next()) {
288 aSewing.Add(anIter.Value());
293 // Fill list of shells.
294 const TopoDS_Shape &aSewed = aSewing.SewedShape();
295 TopExp_Explorer anExp(aSewed, TopAbs_SHELL);
296 Standard_Boolean isNewShells = Standard_False;
299 for (; anExp.More(); anExp.Next()) {
300 aListShells.Append(anExp.Current());
301 isNewShells = Standard_True;
304 // Append single faces.
305 anExp.Init(aSewed, TopAbs_FACE, TopAbs_SHELL);
307 for (; anExp.More(); anExp.Next()) {
310 aBuilder.MakeShell(aShell);
311 aBuilder.Add(aShell, anExp.Current());
312 aListShells.Append(aShell);
313 isNewShells = Standard_True;
317 // There are no more shell can be obtained. Break the loop.
321 // Remove faces that are in the result from the list.
322 TopTools_IndexedMapOfShape aMapFaces;
324 TopExp::MapShapes(aSewed, TopAbs_FACE, aMapFaces);
326 // Add deleted faces to the map
327 const Standard_Integer aNbDelFaces = aSewing.NbDeletedFaces();
329 for (i = 1; i <= aNbDelFaces; ++i) {
330 aMapFaces.Add(aSewing.DeletedFace(i));
333 for (anIter.Initialize(aListFaces); anIter.More();) {
334 const TopoDS_Shape &aFace = anIter.Value();
335 //Standard_Boolean isFaceUsed = Standard_False;
337 if (aMapFaces.Contains(aFace) || aSewing.IsModified(aFace)) {
338 // Remove face from the list.
339 aListFaces.Remove(anIter);
341 // Go to the next face.
347 // If there are faces not used in shells create a shell for each face.
348 for (anIter.Initialize(aListFaces); anIter.More(); anIter.Next()) {
351 aBuilder.MakeShell(aShell);
352 aBuilder.Add(aShell, anIter.Value());
353 aListShells.Append(aShell);
356 // Construct the result that can be either a shell or a compound of shells
357 TopoDS_Shape aResult;
359 if (!aListShells.IsEmpty()) {
360 if (aListShells.Extent() == 1) {
361 aResult = aListShells.First();
363 // There are more then one shell.
364 TopoDS_Compound aCompound;
366 aBuilder.MakeCompound(aCompound);
368 for (anIter.Initialize(aListShells); anIter.More(); anIter.Next()) {
369 aBuilder.Add(aCompound, anIter.Value());
382 //modified by NIZNHY-PKV Wed Dec 28 13:48:20 2011f
384 // void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
385 // const Handle(TopTools_HSequenceOfShape)& aWires);
386 //modified by NIZNHY-PKV Wed Dec 28 13:48:23 2011t
388 //=======================================================================
391 //=======================================================================
392 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
394 static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
399 //=======================================================================
400 //function : GEOMImpl_ShapeDriver
402 //=======================================================================
403 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
407 //=======================================================================
410 //=======================================================================
411 Standard_Integer GEOMImpl_ShapeDriver::Execute(Handle(TFunction_Logbook)& log) const
413 if (Label().IsNull()) return 0;
414 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
416 GEOMImpl_IShapes aCI (aFunction);
417 Standard_Integer aType = aFunction->GetType();
420 TCollection_AsciiString aWarning;
422 // this is an exact type of expected shape, or shape in a compound if compound is allowed as a result (see below)
423 TopAbs_ShapeEnum anExpectedType = TopAbs_SHAPE;
424 // this should be true if result can be a compound of shapes of strict type (see above)
425 bool allowCompound = false;
429 if (aType == WIRE_EDGES) {
430 // result may be only a single wire
431 anExpectedType = TopAbs_WIRE;
433 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
435 Standard_Real aTolerance = aCI.GetTolerance();
436 if (aTolerance < Precision::Confusion())
437 aTolerance = Precision::Confusion();
439 aShape = MakeWireFromEdges(aShapes, aTolerance);
441 else if (aType == FACE_WIRE) {
442 // result may be a face or a compound of faces
443 anExpectedType = TopAbs_FACE;
444 allowCompound = true;
446 Handle(GEOM_Function) aRefBase = aCI.GetBase();
447 TopoDS_Shape aShapeBase = aRefBase->GetValue();
448 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
450 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
451 W = TopoDS::Wire(aShapeBase);
452 // check the wire is closed
453 TopoDS_Vertex aV1, aV2;
454 TopExp::Vertices(W, aV1, aV2);
455 if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
456 aShapeBase.Closed(true);
458 Standard_NullObject::Raise
459 ("Shape for face construction is not closed");
461 else if (aShapeBase.ShapeType() == TopAbs_EDGE && BRep_Tool::IsClosed(aShapeBase)) {
462 BRepBuilderAPI_MakeWire MW;
463 MW.Add(TopoDS::Edge(aShapeBase));
465 Standard_ConstructionError::Raise("Wire construction failed");
470 Standard_NullObject::Raise
471 ("Shape for face construction is neither a wire nor a closed edge");
473 aWarning = GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
474 if (aShape.IsNull()) {
475 Standard_ConstructionError::Raise("Face construction failed");
478 else if (aType == FACE_WIRES) {
479 // result may be a face or a compound of faces
480 anExpectedType = TopAbs_FACE;
481 allowCompound = true;
483 // Try to build a face from a set of wires and edges
486 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
487 int nbshapes = aShapes->Length();
489 Standard_ConstructionError::Raise("No wires or edges given");
492 // 1. Extract all edges from the given arguments
493 TopTools_MapOfShape aMapEdges;
494 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
495 TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
497 for (ind = 1; ind <= nbshapes; ind++) {
498 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
499 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
501 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
502 for (; anExpE_i.More(); anExpE_i.Next()) {
503 if (aMapEdges.Add(anExpE_i.Current())) {
504 // Copy the original shape.
505 TopoDS_Shape aShapeCopy;
507 TNaming_CopyShape::CopyTool
508 (anExpE_i.Current(), aMapTShapes, aShapeCopy);
509 aSeqEdgesIn->Append(aShapeCopy);
514 if (aSeqEdgesIn->IsEmpty()) {
515 Standard_ConstructionError::Raise("No edges given");
518 // 2. Connect edges to wires of maximum length
519 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
520 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
521 /*shared*/Standard_False, aSeqWiresOut);
522 //modified by NIZNHY-PKV Wed Dec 28 13:46:55 2011f
523 //KeepEdgesOrder(aSeqEdgesIn, aSeqWiresOut);
524 //modified by NIZNHY-PKV Wed Dec 28 13:46:59 2011t
526 // 3. Separate closed wires
527 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
528 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
529 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
530 if (aSeqWiresOut->Value(ind).Closed())
531 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
533 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
536 if (aSeqClosedWires->Length() < 1) {
537 Standard_ConstructionError::Raise
538 ("There is no closed contour can be built from the given arguments");
541 // 4. Build a face / list of faces from all the obtained closed wires
545 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
546 aWarning = GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
547 if (aFFace.IsNull()) {
548 Standard_ConstructionError::Raise("Face construction failed");
551 // 4.b. Add other wires
552 if (aSeqClosedWires->Length() == 1) {
557 BRep_Builder aBuilder;
558 aBuilder.MakeCompound(C);
559 BRepAlgo_FaceRestrictor FR;
561 TopAbs_Orientation OriF = aFFace.Orientation();
562 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
563 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
565 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
566 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
575 for (; FR.More(); FR.Next()) {
576 aFace = FR.Current().Oriented(OriF);
577 aBuilder.Add(C, aFace);
588 // 5. Add all open wires to the result
589 if (aSeqOpenWires->Length() > 0) {
590 //Standard_ConstructionError::Raise("There are some open wires");
592 BRep_Builder aBuilder;
593 if (aSeqClosedWires->Length() == 1) {
594 aBuilder.MakeCompound(C);
595 aBuilder.Add(C, aShape);
598 C = TopoDS::Compound(aShape);
601 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
602 aBuilder.Add(C, aSeqOpenWires->Value(ind));
608 else if (aType == FACE_FROM_SURFACE) {
609 // result may be only a face
610 anExpectedType = TopAbs_FACE;
612 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
614 if (aShapes.IsNull() == Standard_False) {
615 Standard_Integer aNbShapes = aShapes->Length();
617 if (aNbShapes == 2) {
618 Handle(GEOM_Function) aRefFace =
619 Handle(GEOM_Function)::DownCast(aShapes->Value(1));
620 Handle(GEOM_Function) aRefWire =
621 Handle(GEOM_Function)::DownCast(aShapes->Value(2));
623 if (aRefFace.IsNull() == Standard_False &&
624 aRefWire.IsNull() == Standard_False) {
625 TopoDS_Shape aShFace = aRefFace->GetValue();
626 TopoDS_Shape aShWire = aRefWire->GetValue();
628 if (aShFace.IsNull() == Standard_False &&
629 aShFace.ShapeType() == TopAbs_FACE &&
630 aShWire.IsNull() == Standard_False &&
631 aShWire.ShapeType() == TopAbs_WIRE) {
632 TopoDS_Face aFace = TopoDS::Face(aShFace);
633 TopoDS_Wire aWire = TopoDS::Wire(aShWire);
634 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
635 BRepBuilderAPI_MakeFace aMkFace(aSurf, aWire);
637 if (aMkFace.IsDone()) {
638 aShape = aMkFace.Shape();
645 else if (aType == SHELL_FACES) {
646 // result may be only a shell or a compound of shells
647 anExpectedType = TopAbs_SHELL;
648 allowCompound = true;
650 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
652 if (aShapes.IsNull()) {
653 Standard_NullObject::Raise("Argument Shapes is null");
656 // Compute a shell or a compound of shells.
657 aShape = makeShellFromFaces(aShapes);
659 else if (aType == SOLID_SHELLS) {
660 // result may be only a solid or a compound of solids
661 anExpectedType = TopAbs_SOLID;
662 allowCompound = true;
664 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
665 unsigned int ind, nbshapes = aShapes->Length();
666 Standard_Integer ish = 0;
667 BRepBuilderAPI_MakeSolid aMkSolid;
670 for (ind = 1; ind <= nbshapes; ind++) {
671 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
672 TopoDS_Shape aShapeShell = aRefShape->GetValue();
673 if (aShapeShell.IsNull()) {
674 Standard_NullObject::Raise("Shell for solid construction is null");
676 if (aShapeShell.ShapeType() == TopAbs_COMPOUND) {
677 TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
678 for (; It.More(); It.Next()) {
679 TopoDS_Shape aSubShape = It.Value();
680 if (aSubShape.ShapeType() == TopAbs_SHELL) {
681 aMkSolid.Add(TopoDS::Shell(aSubShape));
685 Standard_TypeMismatch::Raise
686 ("Shape for solid construction is neither a shell nor a compound of shells");
689 else if (aShapeShell.ShapeType() == TopAbs_SHELL) {
690 aMkSolid.Add(TopoDS::Shell(aShapeShell));
694 if (ish == 0 || !aMkSolid.IsDone()) return 0;
696 TopoDS_Solid Sol = aMkSolid.Solid();
697 BRepClass3d_SolidClassifier SC (Sol);
698 SC.PerformInfinitePoint(Precision::Confusion());
699 if (SC.State() == TopAbs_IN)
700 aShape = Sol.Reversed();
704 else if (aType == COMPOUND_SHAPES) {
705 // result may be only a compound of any shapes
706 allowCompound = true;
708 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
709 unsigned int ind, nbshapes = aShapes->Length();
714 for (ind = 1; ind <= nbshapes; ind++) {
715 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
716 TopoDS_Shape aShape_i = aRefShape->GetValue();
717 if (aShape_i.IsNull()) {
718 Standard_NullObject::Raise("Shape for compound construction is null");
726 else if (aType == EDGE_WIRE) {
727 // result may be only an edge
728 anExpectedType = TopAbs_EDGE;
730 Handle(GEOM_Function) aRefBase = aCI.GetBase();
731 TopoDS_Shape aWire = aRefBase->GetValue();
732 Standard_Real LinTol = aCI.GetTolerance();
733 Standard_Real AngTol = aCI.GetAngularTolerance();
734 if (aWire.IsNull()) Standard_NullObject::Raise("Argument Wire is null");
736 aShape = MakeEdgeFromWire(aWire, LinTol, AngTol);
738 else if (aType == SOLID_FACES) {
739 // result may be only a solid or a compound of solids
740 anExpectedType = TopAbs_SOLID;
741 allowCompound = true;
743 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
744 unsigned int ind, nbshapes = aShapes->Length();
747 TopTools_ListOfShape aLS;
748 for (ind = 1; ind <= nbshapes; ind++) {
749 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
750 TopoDS_Shape aShape_i = aRefShape->GetValue();
751 if (aShape_i.IsNull()) {
752 Standard_NullObject::Raise("Shape for solid construction is null");
754 if (aShape_i.ShapeType() == TopAbs_COMPOUND) {
755 TopoDS_Iterator It (aShape_i, Standard_True, Standard_True);
756 for (; It.More(); It.Next()) {
757 TopoDS_Shape aSubShape = It.Value();
758 if (aSubShape.ShapeType() == TopAbs_FACE || aSubShape.ShapeType() == TopAbs_SHELL)
759 aLS.Append(aSubShape);
761 Standard_TypeMismatch::Raise
762 ("Shape for solid construction is neither a list of faces and/or shells "
763 "nor a compound of faces and/or shells");
766 aLS.Append(aShape_i);
769 BOPAlgo_MakerVolume aMV;
770 aMV.SetArguments(aLS);
771 aMV.SetIntersect(aCI.GetIsIntersect());
773 if (aMV.HasErrors()) return 0;
775 aShape = aMV.Shape();
777 else if (aType == EDGE_CURVE_LENGTH) {
778 // result may be only an edge
779 anExpectedType = TopAbs_EDGE;
781 GEOMImpl_IVector aVI (aFunction);
784 Handle(GEOM_Function) aRefCurve = aVI.GetPoint1();
785 if (aRefCurve.IsNull()) Standard_NullObject::Raise("Argument Curve is null");
786 TopoDS_Shape aRefShape1 = aRefCurve->GetValue();
787 if (aRefShape1.ShapeType() != TopAbs_EDGE) {
788 Standard_TypeMismatch::Raise
789 ("Edge On Curve creation aborted : curve shape is not an edge");
791 TopoDS_Edge aRefEdge = TopoDS::Edge(aRefShape1);
792 TopoDS_Vertex V1, V2;
793 TopExp::Vertices(aRefEdge, V1, V2, Standard_True);
796 TopoDS_Vertex aRefVertex;
797 Handle(GEOM_Function) aRefPoint = aVI.GetPoint2();
798 if (aRefPoint.IsNull()) {
802 TopoDS_Shape aRefShape2 = aRefPoint->GetValue();
803 if (aRefShape2.ShapeType() != TopAbs_VERTEX) {
804 Standard_TypeMismatch::Raise
805 ("Edge On Curve creation aborted : start point shape is not a vertex");
807 aRefVertex = TopoDS::Vertex(aRefShape2);
809 gp_Pnt aRefPnt = BRep_Tool::Pnt(aRefVertex);
812 Standard_Real aLength = aVI.GetParameter();
813 //Standard_Real aCurveLength = IntTools::Length(aRefEdge);
814 //if (aLength > aCurveLength) {
815 // Standard_ConstructionError::Raise
816 // ("Edge On Curve creation aborted : given length is greater than edges length");
818 if (fabs(aLength) < Precision::Confusion()) {
819 Standard_ConstructionError::Raise
820 ("Edge On Curve creation aborted : given length is smaller than Precision::Confusion()");
824 Standard_Real UFirst, ULast;
825 Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(aRefEdge, UFirst, ULast);
826 Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;
828 Standard_Real dU = ULast - UFirst;
829 Standard_Real par1 = UFirst + 0.1 * dU;
830 Standard_Real par2 = ULast - 0.1 * dU;
832 gp_Pnt P1 = EdgeCurve->Value(par1);
833 gp_Pnt P2 = EdgeCurve->Value(par2);
835 if (aRefPnt.SquareDistance(P2) < aRefPnt.SquareDistance(P1)) {
836 ReOrientedCurve = EdgeCurve->Reversed();
837 UFirst = EdgeCurve->ReversedParameter(ULast);
840 // Get the point by length
841 GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
842 GCPnts_AbscissaPoint anAbsPnt (AdapCurve, aLength, UFirst);
843 Standard_Real aParam = anAbsPnt.Parameter();
845 if (AdapCurve.IsClosed() && aLength < 0.0) {
846 Standard_Real aTmp = aParam;
851 BRepBuilderAPI_MakeEdge aME (ReOrientedCurve, UFirst, aParam);
853 aShape = aME.Shape();
855 else if (aType == SHAPE_ISOLINE) {
856 // result may be only an edge or compound of edges
857 anExpectedType = TopAbs_EDGE;
858 allowCompound = true;
860 GEOMImpl_IIsoline aII (aFunction);
861 Handle(GEOM_Function) aRefFace = aII.GetFace();
862 TopoDS_Shape aShapeFace = aRefFace->GetValue();
864 if (aShapeFace.ShapeType() == TopAbs_FACE) {
865 TopoDS_Face aFace = TopoDS::Face(aShapeFace);
866 bool isUIso = aII.GetIsUIso();
867 Standard_Real aParam = aII.GetParameter();
868 Standard_Real U1,U2,V1,V2;
870 // Construct a real geometric parameter.
871 aFace.Orientation(TopAbs_FORWARD);
872 BRepTools::UVBounds(aFace,U1,U2,V1,V2);
875 aParam = U1 + (U2 - U1)*aParam;
877 aParam = V1 + (V2 - V1)*aParam;
880 aShape = MakeIsoline(aFace, isUIso, aParam);
882 Standard_NullObject::Raise
883 ("Shape for isoline construction is not a face");
886 else if (aType == EDGE_UV) {
887 // result may be only an edge
888 anExpectedType = TopAbs_EDGE;
890 GEOMImpl_IShapeExtend aSE (aFunction);
891 Handle(GEOM_Function) aRefEdge = aSE.GetShape();
892 TopoDS_Shape aShapeEdge = aRefEdge->GetValue();
894 if (aShapeEdge.ShapeType() == TopAbs_EDGE) {
895 TopoDS_Edge anEdge = TopoDS::Edge(aShapeEdge);
897 aShape = ExtendEdge(anEdge, aSE.GetUMin(), aSE.GetUMax());
900 else if (aType == FACE_UV) {
901 // result may be only a face
902 anExpectedType = TopAbs_FACE;
904 GEOMImpl_IShapeExtend aSE (aFunction);
905 Handle(GEOM_Function) aRefFace = aSE.GetShape();
906 TopoDS_Shape aShapeFace = aRefFace->GetValue();
908 if (aShapeFace.ShapeType() == TopAbs_FACE) {
909 TopoDS_Face aFace = TopoDS::Face(aShapeFace);
911 aFace.Orientation(TopAbs_FORWARD);
912 aShape = ExtendFace(aFace, aSE.GetUMin(), aSE.GetUMax(),
913 aSE.GetVMin(), aSE.GetVMax());
916 else if (aType == SURFACE_FROM_FACE) {
917 // result may be only a face
918 anExpectedType = TopAbs_FACE;
920 GEOMImpl_IShapeExtend aSE (aFunction);
921 Handle(GEOM_Function) aRefFace = aSE.GetShape();
922 TopoDS_Shape aShapeFace = aRefFace->GetValue();
924 if (aShapeFace.ShapeType() == TopAbs_FACE) {
925 TopoDS_Face aFace = TopoDS::Face(aShapeFace);
926 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
928 if (aSurface.IsNull() == Standard_False) {
929 Handle(Standard_Type) aType = aSurface->DynamicType();
935 // Get U, V bounds of the face.
936 aFace.Orientation(TopAbs_FORWARD);
937 BRepTools::UVBounds(aFace, aU1, aU2, aV1, aV2);
939 // Get the surface of original type
940 while (aType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
941 Handle(Geom_RectangularTrimmedSurface) aTrSurface =
942 Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
944 aSurface = aTrSurface->BasisSurface();
945 aType = aSurface->DynamicType();
948 const Standard_Real aTol = BRep_Tool::Tolerance(aFace);
949 BRepBuilderAPI_MakeFace aMF(aSurface, aU1, aU2, aV1, aV2, aTol);
952 aShape = aMF.Shape();
956 } else if (aType == EXTRACTION) {
957 allowCompound = true;
959 GEOMImpl_IExtract aCI(aFunction);
960 Handle(GEOM_Function) aRefShape = aCI.GetShape();
961 TopoDS_Shape aShapeBase = aRefShape->GetValue();
963 if (aShapeBase.IsNull()) {
964 Standard_NullObject::Raise("Argument Shape is null");
968 Handle(TColStd_HArray1OfInteger) anIDs = aCI.GetSubShapeIDs();
969 TopTools_ListOfShape aListSubShapes;
970 TopTools_IndexedMapOfShape anIndices;
973 TopExp::MapShapes(aShapeBase, anIndices);
975 if (!anIDs.IsNull()) {
976 const int anUpperID = anIDs->Upper();
977 const int aNbShapes = anIndices.Extent();
979 for (i = anIDs->Lower(); i <= anUpperID; ++i) {
980 const Standard_Integer anIndex = anIDs->Value(i);
982 if (anIndex < 1 || anIndex > aNbShapes) {
983 TCollection_AsciiString aMsg(" Invalid index: ");
985 aMsg += TCollection_AsciiString(anIndex);
986 StdFail_NotDone::Raise(aMsg.ToCString());
990 const TopoDS_Shape &aSubShape = anIndices.FindKey(anIndex);
992 aListSubShapes.Append(aSubShape);
996 // Compute extraction.
997 GEOMAlgo_Extractor anExtractor;
999 anExtractor.SetShape(aShapeBase);
1000 anExtractor.SetShapesToRemove(aListSubShapes);
1002 anExtractor.Perform();
1004 // Interpret results
1005 Standard_Integer iErr = anExtractor.ErrorStatus();
1007 // The detailed description of error codes is in GEOMAlgo_Extractor.cxx
1009 TCollection_AsciiString aMsg(" iErr : ");
1011 aMsg += TCollection_AsciiString(iErr);
1012 StdFail_NotDone::Raise(aMsg.ToCString());
1016 aShape = anExtractor.GetResult();
1018 if (aShape.IsNull()) {
1019 Standard_ConstructionError::Raise("Result of extraction is empty");
1023 const TopTools_ListOfShape &aRemoved = anExtractor.GetRemoved();
1024 const TopTools_ListOfShape &aModified = anExtractor.GetModified();
1025 const TopTools_ListOfShape &aNew = anExtractor.GetNew();
1026 Handle(TColStd_HArray1OfInteger) aRemovedIDs =
1027 GetShapeIDs(aRemoved, anIndices);
1028 Handle(TColStd_HArray1OfInteger) aModifiedIDs =
1029 GetShapeIDs(aModified, anIndices);
1030 Handle(TColStd_HArray1OfInteger) aNewIDs;
1032 if (!aShape.IsNull()) {
1033 // Get newly created sub-shapes
1034 TopTools_IndexedMapOfShape aNewIndices;
1036 TopExp::MapShapes(aShape, aNewIndices);
1037 aNewIDs = GetShapeIDs(aNew, aNewIndices);
1040 if (!aRemovedIDs.IsNull()) {
1041 aCI.SetRemovedIDs(aRemovedIDs);
1044 if (!aModifiedIDs.IsNull()) {
1045 aCI.SetModifiedIDs(aModifiedIDs);
1048 if (!aNewIDs.IsNull()) {
1049 aCI.SetAddedIDs(aNewIDs);
1055 if (aShape.IsNull()) return 0;
1057 // Check shape validity
1058 BRepCheck_Analyzer ana (aShape, true);
1059 if (!ana.IsValid()) {
1060 //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
1061 // For Mantis issue 0021772: EDF 2336 GEOM: Non valid face created from two circles
1062 Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape (aShape);
1064 aShape = aSfs->Shape();
1067 // Check if the result shape is of expected type.
1068 const TopAbs_ShapeEnum aShType = aShape.ShapeType();
1071 if ( aShType == TopAbs_COMPOUND || aShType == TopAbs_COMPSOLID ) {
1072 ok = allowCompound && checkCompound( aShape, anExpectedType );
1075 ok = ( anExpectedType == TopAbs_SHAPE ) || ( aShType == anExpectedType );
1078 Standard_ConstructionError::Raise("Result type check failed");
1080 aFunction->SetValue(aShape);
1082 log->SetTouched(Label());
1084 if (!aWarning.IsEmpty())
1085 Standard_Failure::Raise(aWarning.ToCString());
1090 TopoDS_Wire GEOMImpl_ShapeDriver::MakeWireFromEdges(const Handle(TColStd_HSequenceOfTransient)& theEdgesFuncs,
1091 const Standard_Real theTolerance)
1099 for (int ind = 1; ind <= theEdgesFuncs->Length(); ind++) {
1100 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(theEdgesFuncs->Value(ind));
1101 TopoDS_Shape aShape_i = aRefShape->GetValue();
1102 if (aShape_i.IsNull()) {
1103 Standard_NullObject::Raise("Shape for wire construction is null");
1105 if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
1106 TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
1107 for (; exp.More(); exp.Next())
1108 B.Add(aWire, TopoDS::Edge(exp.Current()));
1110 Standard_TypeMismatch::Raise
1111 ("Shape for wire construction is neither an edge nor a wire");
1116 Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
1120 if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
1121 Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
1123 else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
1124 Standard_ConstructionError::Raise("Wire construction failed");
1129 // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
1130 bool isClosed = false;
1131 Handle(ShapeAnalysis_Wire) asaw = aFW->Analyzer();
1132 if (asaw->CheckGap3d(1)) { // between last and first edges
1133 Standard_Real dist = asaw->MinDistance3d();
1134 if (dist < theTolerance)
1137 aFW->ClosedWireMode() = isClosed;
1138 aFW->FixConnected(theTolerance);
1139 if (aFW->StatusConnected(ShapeExtend_FAIL)) {
1140 Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
1144 if (aFW->StatusConnected(ShapeExtend_DONE3)) {
1145 // Confused with <prec> but not Analyzer.Precision(), set the same
1146 aFW->SetPrecision(theTolerance); // bos #33377, prevent conversion of initial curves to BSplines
1147 aFW->FixGapsByRangesMode() = Standard_True;
1148 if (aFW->FixGaps3d()) {
1149 Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
1150 Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
1151 for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
1152 TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
1153 aFe->FixVertexTolerance(aEdge);
1154 aFe->FixSameParameter(aEdge);
1157 else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
1158 Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
1161 aWire = aFW->WireAPIMake();
1166 TopoDS_Edge GEOMImpl_ShapeDriver::MakeEdgeFromWire(const TopoDS_Shape& aWire,
1167 const Standard_Real LinTol,
1168 const Standard_Real AngTol)
1170 TopoDS_Edge ResEdge;
1172 BRepLib::BuildCurves3d(aWire);
1173 Handle(ShapeFix_Shape) Fixer = new ShapeFix_Shape(aWire);
1174 Fixer->SetPrecision(LinTol);
1175 Fixer->SetMaxTolerance(LinTol);
1177 TopoDS_Wire theWire = TopoDS::Wire(Fixer->Shape());
1179 TColGeom_SequenceOfCurve CurveSeq;
1180 TopTools_SequenceOfShape LocSeq;
1181 TColStd_SequenceOfReal FparSeq;
1182 TColStd_SequenceOfReal LparSeq;
1183 TColStd_SequenceOfReal TolSeq;
1184 GeomAbs_CurveType CurType = GeomAbs_OtherCurve; // todo: refactor: CurType must be explicitly initialized to avoid warning (see below)
1185 TopoDS_Vertex FirstVertex, LastVertex;
1186 Standard_Real aPntShiftDist = 0.;
1188 BRepTools_WireExplorer wexp(theWire) ;
1189 for (; wexp.More(); wexp.Next())
1191 TopoDS_Edge anEdge = wexp.Current();
1192 Standard_Real fpar, lpar;
1193 TopLoc_Location aLoc;
1194 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aLoc, fpar, lpar);
1195 if (aCurve.IsNull())
1198 BRepAdaptor_Curve BAcurve(anEdge);
1199 GeomAbs_CurveType aType = BAcurve.GetType();
1201 Handle(Geom_Curve) aBasisCurve = BAcurve.Curve().Curve();
1203 if (aBasisCurve->IsPeriodic())
1204 ElCLib::AdjustPeriodic(aBasisCurve->FirstParameter(), aBasisCurve->LastParameter(),
1205 Precision::PConfusion(), fpar, lpar);
1207 if (CurveSeq.IsEmpty())
1209 CurveSeq.Append(aCurve);
1210 TopoDS_Shape aLocShape;
1211 aLocShape.Location(aLoc);
1212 aLocShape.Orientation(wexp.Orientation());
1213 LocSeq.Append(aLocShape);
1214 FparSeq.Append(fpar);
1215 LparSeq.Append(lpar);
1216 CurType = aType; // todo: refactor: CurType must be explicitly initialized to avoid warning (see above)
1217 FirstVertex = wexp.CurrentVertex();
1221 Standard_Boolean Done = Standard_False;
1222 Standard_Real NewFpar, NewLpar;
1223 Handle(Geom_Geometry) aTrsfGeom = CurveSeq.Last()->Transformed
1224 (LocSeq.Last().Location().Transformation());
1225 GeomAdaptor_Curve GAprevcurve(Handle(Geom_Curve)::DownCast(aTrsfGeom));
1226 TopoDS_Vertex CurVertex = wexp.CurrentVertex();
1227 TopoDS_Vertex CurFirstVer = TopExp::FirstVertex(anEdge);
1228 TopAbs_Orientation ConnectByOrigin = (CurVertex.IsSame(CurFirstVer))? TopAbs_FORWARD : TopAbs_REVERSED;
1229 if (aCurve == CurveSeq.Last() && aLoc.IsEqual(LocSeq.Last().Location()))
1233 if (aBasisCurve->IsPeriodic())
1235 if (NewLpar < NewFpar)
1236 NewLpar += aBasisCurve->Period();
1237 if (ConnectByOrigin == TopAbs_FORWARD)
1238 ElCLib::AdjustPeriodic(FparSeq.Last(),
1239 FparSeq.Last() + aBasisCurve->Period(),
1240 Precision::PConfusion(), NewFpar, NewLpar);
1242 ElCLib::AdjustPeriodic(FparSeq.Last() - aBasisCurve->Period(),
1244 Precision::PConfusion(), NewFpar, NewLpar);
1246 Done = Standard_True;
1248 else if (aType == CurType &&
1249 aType != GeomAbs_BezierCurve &&
1250 aType != GeomAbs_BSplineCurve &&
1251 aType != GeomAbs_OtherCurve)
1257 gp_Lin aLine = BAcurve.Line();
1258 gp_Lin PrevLine = GAprevcurve.Line();
1259 if (aLine.Contains(PrevLine.Location(), LinTol) &&
1260 aLine.Direction().IsParallel(PrevLine.Direction(), AngTol))
1262 gp_Pnt P1 = ElCLib::Value(fpar, aLine);
1263 gp_Pnt P2 = ElCLib::Value(lpar, aLine);
1264 NewFpar = ElCLib::Parameter(PrevLine, P1);
1265 NewLpar = ElCLib::Parameter(PrevLine, P2);
1268 if (ConnectByOrigin == TopAbs_FORWARD) {
1269 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevLine);
1271 aPntShiftDist += P2.Distance(aNewP2);
1273 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevLine);
1275 aPntShiftDist += P1.Distance(aNewP1);
1278 if (NewLpar < NewFpar)
1280 Standard_Real MemNewFpar = NewFpar;
1282 NewLpar = MemNewFpar;
1283 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
1285 Done = Standard_True;
1289 case GeomAbs_Circle:
1291 gp_Circ aCircle = BAcurve.Circle();
1292 gp_Circ PrevCircle = GAprevcurve.Circle();
1293 if (aCircle.Location().Distance(PrevCircle.Location()) <= LinTol &&
1294 Abs(aCircle.Radius() - PrevCircle.Radius()) <= LinTol &&
1295 aCircle.Axis().IsParallel(PrevCircle.Axis(), AngTol))
1297 const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
1299 if (aCircle.Axis().Direction() * PrevCircle.Axis().Direction() < 0.)
1301 Standard_Real memfpar = fpar;
1304 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
1306 gp_Pnt P1 = ElCLib::Value(fpar, aCircle);
1307 gp_Pnt P2 = ElCLib::Value(lpar, aCircle);
1308 NewFpar = ElCLib::Parameter(PrevCircle, P1);
1309 NewLpar = ElCLib::Parameter(PrevCircle, P2);
1313 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevCircle);
1315 aPntShiftDist += P2.Distance(aNewP2);
1317 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevCircle);
1319 aPntShiftDist += P1.Distance(aNewP1);
1322 if (NewLpar < NewFpar)
1324 //Standard_Real MemNewFpar = NewFpar, MemNewLpar = NewLpar;
1325 if (ConnectByOrigin == TopAbs_FORWARD)
1326 ElCLib::AdjustPeriodic(FparSeq.Last(),
1327 FparSeq.Last() + 2.*M_PI,
1328 Precision::PConfusion(), NewFpar, NewLpar);
1330 ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
1332 Precision::PConfusion(), NewFpar, NewLpar);
1333 Done = Standard_True;
1337 case GeomAbs_Ellipse:
1339 gp_Elips anEllipse = BAcurve.Ellipse();
1340 gp_Elips PrevEllipse = GAprevcurve.Ellipse();
1341 if (anEllipse.Focus1().Distance(PrevEllipse.Focus1()) <= LinTol &&
1342 anEllipse.Focus2().Distance(PrevEllipse.Focus2()) <= LinTol &&
1343 Abs(anEllipse.MajorRadius() - PrevEllipse.MajorRadius()) <= LinTol &&
1344 Abs(anEllipse.MinorRadius() - PrevEllipse.MinorRadius()) <= LinTol &&
1345 anEllipse.Axis().IsParallel(PrevEllipse.Axis(), AngTol))
1347 const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
1349 if (anEllipse.Axis().Direction() * PrevEllipse.Axis().Direction() < 0.)
1351 Standard_Real memfpar = fpar;
1354 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
1356 gp_Pnt P1 = ElCLib::Value(fpar, anEllipse);
1357 gp_Pnt P2 = ElCLib::Value(lpar, anEllipse);
1358 NewFpar = ElCLib::Parameter(PrevEllipse, P1);
1359 NewLpar = ElCLib::Parameter(PrevEllipse, P2);
1363 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevEllipse);
1365 aPntShiftDist += P2.Distance(aNewP2);
1367 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevEllipse);
1369 aPntShiftDist += P1.Distance(aNewP1);
1372 if (NewLpar < NewFpar)
1374 if (ConnectByOrigin == TopAbs_FORWARD)
1375 ElCLib::AdjustPeriodic(FparSeq.Last(),
1376 FparSeq.Last() + 2.*M_PI,
1377 Precision::PConfusion(), NewFpar, NewLpar);
1379 ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
1381 Precision::PConfusion(), NewFpar, NewLpar);
1382 Done = Standard_True;
1386 case GeomAbs_Hyperbola:
1388 gp_Hypr aHypr = BAcurve.Hyperbola();
1389 gp_Hypr PrevHypr = GAprevcurve.Hyperbola();
1390 if (aHypr.Focus1().Distance(PrevHypr.Focus1()) <= LinTol &&
1391 aHypr.Focus2().Distance(PrevHypr.Focus2()) <= LinTol &&
1392 Abs(aHypr.MajorRadius() - PrevHypr.MajorRadius()) <= LinTol &&
1393 Abs(aHypr.MinorRadius() - PrevHypr.MinorRadius()) <= LinTol &&
1394 aHypr.Axis().IsParallel(PrevHypr.Axis(), AngTol))
1396 gp_Pnt P1 = ElCLib::Value(fpar, aHypr);
1397 gp_Pnt P2 = ElCLib::Value(lpar, aHypr);
1398 NewFpar = ElCLib::Parameter(PrevHypr, P1);
1399 NewLpar = ElCLib::Parameter(PrevHypr, P2);
1402 if (ConnectByOrigin == TopAbs_FORWARD) {
1403 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevHypr);
1405 aPntShiftDist += P2.Distance(aNewP2);
1407 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevHypr);
1409 aPntShiftDist += P1.Distance(aNewP1);
1412 if (NewLpar < NewFpar)
1414 Standard_Real MemNewFpar = NewFpar;
1416 NewLpar = MemNewFpar;
1417 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
1419 Done = Standard_True;
1423 case GeomAbs_Parabola:
1425 gp_Parab aParab = BAcurve.Parabola();
1426 gp_Parab PrevParab = GAprevcurve.Parabola();
1427 if (aParab.Location().Distance(PrevParab.Location()) <= LinTol &&
1428 aParab.Focus().Distance(PrevParab.Focus()) <= LinTol &&
1429 Abs(aParab.Focal() - PrevParab.Focal()) <= LinTol &&
1430 aParab.Axis().IsParallel(PrevParab.Axis(), AngTol))
1432 gp_Pnt P1 = ElCLib::Value(fpar, aParab);
1433 gp_Pnt P2 = ElCLib::Value(lpar, aParab);
1434 NewFpar = ElCLib::Parameter(PrevParab, P1);
1435 NewLpar = ElCLib::Parameter(PrevParab, P2);
1438 if (ConnectByOrigin == TopAbs_FORWARD) {
1439 gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevParab);
1441 aPntShiftDist += P2.Distance(aNewP2);
1443 gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevParab);
1445 aPntShiftDist += P1.Distance(aNewP1);
1448 if (NewLpar < NewFpar)
1450 Standard_Real MemNewFpar = NewFpar;
1452 NewLpar = MemNewFpar;
1453 ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
1455 Done = Standard_True;
1461 } //end of switch (aType)
1462 } // end of else if (aType == CurType && ...
1465 if (NewFpar < FparSeq.Last())
1466 FparSeq(FparSeq.Length()) = NewFpar;
1468 LparSeq(LparSeq.Length()) = NewLpar;
1472 CurveSeq.Append(aCurve);
1473 TopoDS_Shape aLocShape;
1474 aLocShape.Location(aLoc);
1475 aLocShape.Orientation(wexp.Orientation());
1476 LocSeq.Append(aLocShape);
1477 FparSeq.Append(fpar);
1478 LparSeq.Append(lpar);
1479 TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(CurVertex));
1483 } // end of else (CurveSeq.IsEmpty()) -> not first time
1484 } // end for (; wexp.More(); wexp.Next())
1486 LastVertex = wexp.CurrentVertex();
1487 TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(LastVertex));
1489 FirstVertex.Orientation(TopAbs_FORWARD);
1490 LastVertex.Orientation(TopAbs_REVERSED);
1492 if (!CurveSeq.IsEmpty())
1494 Standard_Integer nb_curve = CurveSeq.Length(); //number of curves
1495 TColGeom_Array1OfBSplineCurve tab(0,nb_curve-1); //array of the curves
1496 TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances
1502 for (i = 1; i <= nb_curve; i++)
1504 if (CurveSeq(i)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
1505 CurveSeq(i) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(i))))->BasisCurve();
1507 Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(CurveSeq(i), FparSeq(i), LparSeq(i));
1508 tab(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
1509 tab(i-1)->Transform(LocSeq(i).Location().Transformation());
1510 GeomConvert::C0BSplineToC1BSplineCurve(tab(i-1), Precision::Confusion());
1511 if (LocSeq(i).Orientation() == TopAbs_REVERSED)
1512 tab(i-1)->Reverse();
1515 //char* name = new char[100];
1516 //sprintf(name, "c%d", i);
1517 //DrawTrSurf::Set(name, tab(i-1));
1520 tabtolvertex(i-2) = TolSeq(i-1);
1521 } // end for (i = 1; i <= nb_curve; i++)
1522 tabtolvertex(nb_curve-1) = TolSeq(TolSeq.Length());
1524 Standard_Boolean closed_flag = Standard_False;
1525 Standard_Real closed_tolerance = 0.;
1526 if (FirstVertex.IsSame(LastVertex) &&
1527 GeomLProp::Continuity(tab(0), tab(nb_curve-1),
1528 tab(0)->FirstParameter(),
1529 tab(nb_curve-1)->LastParameter(),
1530 Standard_False, Standard_False, LinTol, AngTol) >= GeomAbs_G1)
1532 closed_flag = Standard_True ;
1533 closed_tolerance = BRep_Tool::Tolerance(FirstVertex);
1536 Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
1537 Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
1538 GeomConvert::ConcatC1(tab,
1543 closed_tolerance); //C1 concatenation
1545 if (concatcurve->Length() > 1)
1547 GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
1549 for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
1550 Concat.Add( concatcurve->Value(i), LinTol, Standard_True );
1552 concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
1554 // rnc : prevents the driver from building an edge without C1 continuity
1555 if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
1556 Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
1559 Standard_Boolean isValidEndVtx = Standard_True;
1562 // Check if closed curve is reordered.
1563 Handle(Geom_BSplineCurve) aCurve = concatcurve->Value(concatcurve->Lower());
1564 Standard_Real aFPar = aCurve->FirstParameter();
1566 gp_Pnt aPntVtx = BRep_Tool::Pnt(FirstVertex);
1567 Standard_Real aTolVtx = BRep_Tool::Tolerance(FirstVertex);
1569 aCurve->D0(aFPar, aPFirst);
1571 if (!aPFirst.IsEqual(aPntVtx, aTolVtx)) {
1572 // The curve is reordered. Find the new first and last vertices.
1573 TopTools_IndexedMapOfShape aMapVtx;
1574 TopExp::MapShapes(theWire, TopAbs_VERTEX, aMapVtx);
1576 const Standard_Integer aNbVtx = aMapVtx.Extent();
1577 Standard_Integer iVtx;
1579 for (iVtx = 1; iVtx <= aNbVtx; iVtx++) {
1580 const TopoDS_Vertex aVtx = TopoDS::Vertex(aMapVtx.FindKey(iVtx));
1581 const gp_Pnt aPnt = BRep_Tool::Pnt(aVtx);
1582 const Standard_Real aTol = BRep_Tool::Tolerance(aVtx);
1584 if (aPFirst.IsEqual(aPnt, aTol)) {
1585 // The coincident vertex is found.
1588 FirstVertex.Orientation(TopAbs_FORWARD);
1589 LastVertex.Orientation(TopAbs_REVERSED);
1594 if (iVtx > aNbVtx) {
1595 // It is necessary to create new vertices.
1596 isValidEndVtx = Standard_False;
1601 if (isValidEndVtx) {
1602 ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1603 FirstVertex, LastVertex,
1604 concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1605 concatcurve->Value(concatcurve->Lower())->LastParameter());
1607 ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1608 concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1609 concatcurve->Value(concatcurve->Lower())->LastParameter());
1614 if (CurveSeq(1)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
1615 CurveSeq(1) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(1))))->BasisCurve();
1617 Handle(Geom_Curve) aNewCurve =
1618 Handle(Geom_Curve)::DownCast(CurveSeq(1)->Copy());
1620 aNewCurve->Transform(LocSeq(1).Location().Transformation());
1622 if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1623 const TopoDS_Vertex aVtxTmp = FirstVertex;
1625 FirstVertex = LastVertex;
1626 LastVertex = aVtxTmp;
1627 FirstVertex.Orientation(TopAbs_FORWARD);
1628 LastVertex.Orientation(TopAbs_REVERSED);
1631 ResEdge = BRepLib_MakeEdge(aNewCurve,
1632 FirstVertex, LastVertex,
1633 FparSeq(1), LparSeq(1));
1635 if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1644 //=============================================================================
1646 * \brief Returns an isoline for a face.
1648 //=============================================================================
1650 TopoDS_Shape GEOMImpl_ShapeDriver::MakeIsoline
1651 (const TopoDS_Face &theFace,
1653 const double theParameter) const
1655 TopoDS_Shape aResult;
1656 GEOMUtils::Hatcher aHatcher(theFace);
1657 const GeomAbs_IsoType aType = (IsUIso ? GeomAbs_IsoU : GeomAbs_IsoV);
1659 aHatcher.Init(aType, theParameter);
1662 if (!aHatcher.IsDone()) {
1663 Standard_ConstructionError::Raise("MakeIsoline : Hatcher failure");
1666 const Handle(TColStd_HArray1OfInteger) &anIndices =
1667 (IsUIso ? aHatcher.GetUIndices() : aHatcher.GetVIndices());
1669 if (anIndices.IsNull()) {
1670 Standard_ConstructionError::Raise("MakeIsoline : Null hatching indices");
1673 const Standard_Integer anIsoInd = anIndices->Lower();
1674 const Standard_Integer aHatchingIndex = anIndices->Value(anIsoInd);
1676 if (aHatchingIndex == 0) {
1677 Standard_ConstructionError::Raise("MakeIsoline : Invalid hatching index");
1680 const Standard_Integer aNbDomains =
1681 aHatcher.GetNbDomains(aHatchingIndex);
1683 if (aNbDomains < 0) {
1684 Standard_ConstructionError::Raise("MakeIsoline : Invalid number of domains");
1687 // The hatching is performed successfully. Create the 3d Curve.
1688 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(theFace);
1689 Handle(Geom_Curve) anIsoCurve = (IsUIso ?
1690 aSurface->UIso(theParameter) : aSurface->VIso(theParameter));
1691 Handle(Geom2d_Curve) aPIsoCurve = aHatcher.GetHatching(aHatchingIndex);
1693 Standard_Real aTol = BRep_Tool::MaxTolerance(theFace, TopAbs_EDGE);
1695 Standard_Integer anIDom = 1;
1698 BRep_Builder aBuilder;
1699 Standard_Integer aNbEdges = 0;
1701 for (; anIDom <= aNbDomains; anIDom++) {
1702 if (aHatcher.GetDomain(aHatchingIndex, anIDom, aV1, aV2)) {
1703 // Check first and last parameters.
1704 if (!aHatcher.IsDomainInfinite(aHatchingIndex, anIDom)) {
1706 TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(anIsoCurve, aV1, aV2);
1708 // Update it with a parametric curve on face.
1709 aBuilder.UpdateEdge(anEdge, aPIsoCurve, theFace, aTol);
1710 for (TopExp_Explorer ExV (anEdge, TopAbs_VERTEX); ExV.More(); ExV.Next()) {
1711 TopoDS_Vertex V = TopoDS::Vertex(ExV.Current());
1712 aBuilder.UpdateVertex(V, aTol);
1717 // Result is a compond.
1718 if (aNbEdges == 2) {
1719 // Create a new compound.
1720 TopoDS_Compound aCompound;
1722 aBuilder.MakeCompound(aCompound);
1723 aBuilder.Add(aCompound, aResult);
1724 aResult = aCompound;
1727 // Add an edge to the compound.
1728 aBuilder.Add(aResult, anEdge);
1730 // Result is the edge.
1737 if (aNbEdges == 0) {
1738 Standard_ConstructionError::Raise("MakeIsoline : Empty result");
1744 //=============================================================================
1746 * \brief Returns an extended edge.
1748 //=============================================================================
1750 TopoDS_Shape GEOMImpl_ShapeDriver::ExtendEdge
1751 (const TopoDS_Edge &theEdge,
1752 const Standard_Real theMin,
1753 const Standard_Real theMax) const
1755 TopoDS_Shape aResult;
1758 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(theEdge, aF, aL);
1759 const Standard_Real aTol = BRep_Tool::Tolerance(theEdge);
1760 Standard_Real aRange2d = aL - aF;
1762 if (aCurve.IsNull() == Standard_False && aRange2d > aTol) {
1763 Standard_Real aMin = aF + aRange2d*theMin;
1764 Standard_Real aMax = aF + aRange2d*theMax;
1766 Handle(Standard_Type) aType = aCurve->DynamicType();
1768 // Get the curve of original type
1769 while (aType == STANDARD_TYPE(Geom_TrimmedCurve)) {
1770 Handle(Geom_TrimmedCurve) aTrCurve =
1771 Handle(Geom_TrimmedCurve)::DownCast(aCurve);
1773 aCurve = aTrCurve->BasisCurve();
1774 aType = aCurve->DynamicType();
1777 if (aCurve->IsPeriodic()) {
1778 // The curve is periodic. Check if a new range is less then a period.
1779 if (aMax - aMin > aCurve->Period()) {
1780 aMax = aMin + aCurve->Period();
1783 // The curve is not periodic. Check if aMin and aMax within bounds.
1784 aMin = Max(aMin, aCurve->FirstParameter());
1785 aMax = Min(aMax, aCurve->LastParameter());
1788 if (aMax - aMin > aTol) {
1789 // Create a new edge.
1790 BRepBuilderAPI_MakeEdge aME (aCurve, aMin, aMax);
1793 aResult = aME.Shape();
1801 //=============================================================================
1803 * \brief Returns an extended face.
1805 //=============================================================================
1807 TopoDS_Shape GEOMImpl_ShapeDriver::ExtendFace
1808 (const TopoDS_Face &theFace,
1809 const Standard_Real theUMin,
1810 const Standard_Real theUMax,
1811 const Standard_Real theVMin,
1812 const Standard_Real theVMax) const
1814 TopoDS_Shape aResult;
1815 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(theFace);
1816 const Standard_Real aTol = BRep_Tool::Tolerance(theFace);
1822 // Get U, V bounds of the face.
1823 BRepTools::UVBounds(theFace, aU1, aU2, aV1, aV2);
1825 const Standard_Real aURange = aU2 - aU1;
1826 const Standard_Real aVRange = aV2 - aV1;
1828 if (aSurface.IsNull() == Standard_False &&
1829 aURange > aTol && aURange > aTol) {
1830 Handle(Standard_Type) aType = aSurface->DynamicType();
1832 // Get the surface of original type
1833 while (aType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
1834 Handle(Geom_RectangularTrimmedSurface) aTrSurface =
1835 Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
1837 aSurface = aTrSurface->BasisSurface();
1838 aType = aSurface->DynamicType();
1841 Standard_Real aUMin = aU1 + aURange*theUMin;
1842 Standard_Real aUMax = aU1 + aURange*theUMax;
1843 Standard_Real aVMin = aV1 + aVRange*theVMin;
1844 Standard_Real aVMax = aV1 + aVRange*theVMax;
1846 aSurface->Bounds(aU1, aU2, aV1, aV2);
1848 if (aSurface->IsUPeriodic()) {
1849 // The surface is U-periodic. Check if a new U range is less
1851 if (aUMax - aUMin > aSurface->UPeriod()) {
1852 aUMax = aUMin + aSurface->UPeriod();
1855 // The surface is not V-periodic. Check if aUMin and aUMax
1857 aUMin = Max(aUMin, aU1);
1858 aUMax = Min(aUMax, aU2);
1861 if (aSurface->IsVPeriodic()) {
1862 // The surface is V-periodic. Check if a new V range is less
1864 if (aVMax - aVMin > aSurface->VPeriod()) {
1865 aVMax = aVMin + aSurface->VPeriod();
1868 // The surface is not V-periodic. Check if aVMin and aVMax
1870 aVMin = Max(aVMin, aV1);
1871 aVMax = Min(aVMax, aV2);
1874 if (aUMax - aUMin > aTol && aVMax - aVMin > aTol) {
1875 // Create a new edge.
1876 BRepBuilderAPI_MakeFace aMF
1877 (aSurface, aUMin, aUMax, aVMin, aVMax, aTol);
1880 aResult = aMF.Shape();
1888 //================================================================================
1890 * \brief Returns a name of creation operation and names and values of creation parameters
1892 //================================================================================
1894 bool GEOMImpl_ShapeDriver::
1895 GetCreationInformation(std::string& theOperationName,
1896 std::vector<GEOM_Param>& theParams)
1898 if (Label().IsNull()) return 0;
1899 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
1901 GEOMImpl_IShapes aCI( function );
1902 Standard_Integer aType = function->GetType();
1906 theOperationName = "WIRE";
1907 AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1908 AddParam( theParams, "Tolerance", aCI.GetTolerance() );
1911 theOperationName = "FACE";
1912 AddParam( theParams, "Wire/edge", aCI.GetBase() );
1913 AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1916 theOperationName = "FACE";
1917 AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1918 AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1920 case FACE_FROM_SURFACE:
1922 theOperationName = "FACE";
1924 Handle(TColStd_HSequenceOfTransient) shapes = aCI.GetShapes();
1926 if (shapes.IsNull() == Standard_False) {
1927 Standard_Integer aNbShapes = shapes->Length();
1929 if (aNbShapes > 0) {
1930 AddParam(theParams, "Face", shapes->Value(1));
1932 if (aNbShapes > 1) {
1933 AddParam(theParams, "Wire", shapes->Value(2));
1940 theOperationName = "SHELL";
1941 AddParam( theParams, "Objects", aCI.GetShapes() );
1944 theOperationName = "SOLID";
1945 AddParam( theParams, "Objects", aCI.GetShapes() );
1948 theOperationName = "SOLID_FROM_FACES";
1949 AddParam( theParams, "Objects", aCI.GetShapes() );
1950 AddParam( theParams, "Is intersect", aCI.GetIsIntersect() );
1952 case COMPOUND_SHAPES:
1953 theOperationName = "COMPOUND";
1954 AddParam( theParams, "Objects", aCI.GetShapes() );
1957 theOperationName = "EDGE";
1958 AddParam( theParams, "Wire", aCI.GetBase() );
1959 AddParam( theParams, "Linear Tolerance", aCI.GetTolerance() );
1960 AddParam( theParams, "Angular Tolerance", aCI.GetAngularTolerance() );
1962 case EDGE_CURVE_LENGTH:
1963 theOperationName = "EDGE";
1965 GEOMImpl_IVector aCI( function );
1966 AddParam( theParams, "Edge", aCI.GetPoint1() );
1967 AddParam( theParams, "Start point", aCI.GetPoint2() );
1968 AddParam( theParams, "Length", aCI.GetParameter() );
1971 case SHAPES_ON_SHAPE:
1973 theOperationName = "GetShapesOnShapeAsCompound";
1974 Handle(TColStd_HSequenceOfTransient) shapes = aCI.GetShapes();
1975 if ( !shapes.IsNull() && shapes->Length() > 0 )
1976 AddParam( theParams, "Check shape", shapes->Value(1) );
1977 if ( !shapes.IsNull() && shapes->Length() > 1 )
1978 AddParam( theParams, "Shape", shapes->Value(2) );
1979 AddParam( theParams, "Shape type", TopAbs_ShapeEnum( aCI.GetSubShapeType() ));
1980 AddParam( theParams, "State" );
1981 GEOMAlgo_State st = GEOMAlgo_State( (int) ( aCI.GetTolerance()+0.1 ) );
1982 const char* stName[] = { "UNKNOWN","IN","OUT","ON","ONIN","ONOUT","INOUT" };
1983 if ( 0 <= st && st <= GEOMAlgo_ST_INOUT )
1984 theParams.back() << stName[ st ];
1986 theParams.back() << (int) st;
1991 GEOMImpl_IIsoline aII (function);
1993 theOperationName = "ISOLINE";
1994 AddParam(theParams, "Face", aII.GetFace());
1995 AddParam(theParams, "Isoline type", (aII.GetIsUIso() ? "U" : "V"));
1996 AddParam(theParams, "Parameter", aII.GetParameter());
2001 GEOMImpl_IShapeExtend aSE (function);
2003 theOperationName = "EDGE_EXTEND";
2004 AddParam(theParams, "Edge", aSE.GetShape());
2005 AddParam(theParams, "Min", aSE.GetUMin());
2006 AddParam(theParams, "Max", aSE.GetUMax());
2011 GEOMImpl_IShapeExtend aSE (function);
2013 theOperationName = "FACE_EXTEND";
2014 AddParam(theParams, "Face", aSE.GetShape());
2015 AddParam(theParams, "UMin", aSE.GetUMin());
2016 AddParam(theParams, "UMax", aSE.GetUMax());
2017 AddParam(theParams, "VMin", aSE.GetVMin());
2018 AddParam(theParams, "VMax", aSE.GetVMax());
2021 case SURFACE_FROM_FACE:
2023 GEOMImpl_IShapeExtend aSE (function);
2025 theOperationName = "SURFACE_FROM_FACE";
2026 AddParam(theParams, "Face", aSE.GetShape());
2031 GEOMImpl_IExtract aCI (function);
2033 theOperationName = "EXTRACTION";
2034 AddParam(theParams, "Main Shape", aCI.GetShape());
2035 AddParam(theParams, "Sub-shape IDs", aCI.GetSubShapeIDs());
2045 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ShapeDriver,GEOM_BaseDriver)
2047 //modified by NIZNHY-PKV Wed Dec 28 13:48:31 2011f
2049 #include <TopoDS_Iterator.hxx>
2050 #include <TopTools_HSequenceOfShape.hxx>
2051 #include <ShapeAnalysis_FreeBounds.hxx>
2052 #include <TopTools_MapOfShape.hxx>
2053 #include <TopTools_MapOfOrientedShape.hxx>
2054 #include <BRep_Builder.hxx>
2055 #include <TopoDS_Wire.hxx>
2057 //=======================================================================
2058 //function : KeepEdgesOrder
2060 //=======================================================================
2061 void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
2062 const Handle(TopTools_HSequenceOfShape)& aWires)
2064 Standard_Integer aNbWires, aNbEdges;
2066 if (aEdges.IsNull()) {
2070 if (aWires.IsNull()) {
2074 aNbEdges=aEdges->Length();
2075 aNbWires=aWires->Length();
2076 if (!aNbEdges || !aNbWires) {
2080 Standard_Boolean bClosed;
2081 Standard_Integer i, j;
2083 TopoDS_Iterator aIt;
2085 TopTools_MapOfOrientedShape aMEx;
2087 for (i=1; i<=aNbWires; ++i) {
2088 const TopoDS_Shape& aWx=aWires->Value(i);
2091 aIt.Initialize (aWx);
2092 for (; aIt.More(); aIt.Next()) {
2093 const TopoDS_Shape& aEx=aIt.Value();
2098 for (j=1; j<=aNbEdges; ++j) {
2099 const TopoDS_Shape& aE=aEdges->Value(j);
2100 if (aMEx.Contains(aE)) {
2105 bClosed=aWx.Closed();
2106 aWy.Closed(bClosed);
2108 aWires->Append(aWy);
2109 }// for (i=1; i<=aNbWires; ++i) {
2111 aWires->Remove(1, aNbWires);
2114 //modified by NIZNHY-PKV Wed Dec 28 13:48:34 2011t