1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, 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.
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
22 #include <GEOMImpl_ShapeDriver.hxx>
24 #include <GEOMImpl_IShapes.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOMImpl_Block6Explorer.hxx>
28 #include <GEOM_Function.hxx>
31 #include <ShapeFix_Wire.hxx>
32 #include <ShapeFix_Edge.hxx>
34 #include <BRep_Tool.hxx>
35 #include <BRep_Builder.hxx>
36 #include <BRepAlgo_FaceRestrictor.hxx>
37 #include <BRepBuilderAPI_Sewing.hxx>
38 #include <BRepBuilderAPI_Copy.hxx>
39 #include <BRepCheck.hxx>
40 #include <BRepCheck_Analyzer.hxx>
41 #include <BRepCheck_Shell.hxx>
42 #include <BRepClass3d_SolidClassifier.hxx>
43 #include <BRepBuilderAPI_MakeWire.hxx>
44 #include <BRepBuilderAPI_Sewing.hxx>
46 #include <ShapeAnalysis_FreeBounds.hxx>
50 #include <TopoDS_Shape.hxx>
51 #include <TopoDS_Edge.hxx>
52 #include <TopoDS_Wire.hxx>
53 #include <TopoDS_Shell.hxx>
54 #include <TopoDS_Solid.hxx>
55 #include <TopoDS_Compound.hxx>
56 #include <TopoDS_Iterator.hxx>
57 #include <TopExp_Explorer.hxx>
59 #include <TopTools_MapOfShape.hxx>
60 #include <TopTools_HSequenceOfShape.hxx>
62 #include <TColStd_HSequenceOfTransient.hxx>
64 #include <Precision.hxx>
65 #include <Standard_NullObject.hxx>
66 #include <Standard_TypeMismatch.hxx>
67 #include <Standard_ConstructionError.hxx>
69 //=======================================================================
72 //=======================================================================
73 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
75 static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
80 //=======================================================================
81 //function : GEOMImpl_ShapeDriver
83 //=======================================================================
84 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
88 //=======================================================================
91 //=======================================================================
92 Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
94 if (Label().IsNull()) return 0;
95 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
97 GEOMImpl_IShapes aCI (aFunction);
98 Standard_Integer aType = aFunction->GetType();
103 if (aType == WIRE_EDGES) {
104 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
105 unsigned int ind, nbshapes = aShapes->Length();
109 BRepBuilderAPI_MakeWire MW;
110 bool isMWDone = true;
113 for (ind = 1; ind <= nbshapes; ind++) {
114 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
115 TopoDS_Shape aShape_i = aRefShape->GetValue();
116 if (aShape_i.IsNull()) {
117 Standard_NullObject::Raise("Shape for wire construction is null");
119 if (aShape_i.ShapeType() == TopAbs_EDGE) {
120 B.Add(aWire, TopoDS::Edge(aShape_i));
121 MW.Add(TopoDS::Edge(aShape_i));
123 // check status after each edge/wire addition, because the final status
124 // can be OK even in case, when some edges/wires was not accepted.
127 } else if (aShape_i.ShapeType() == TopAbs_WIRE) {
128 TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
129 for (; exp.More(); exp.Next()) {
130 B.Add(aWire, TopoDS::Edge(exp.Current()));
131 MW.Add(TopoDS::Edge(exp.Current()));
133 // check status after each edge/wire addition, because the final status
134 // can be OK even in case, when some edges/wires was not accepted.
139 Standard_TypeMismatch::Raise
140 ("Shape for wire construction is neither an edge nor a wire");
148 Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
152 if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
153 Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
154 } else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
155 Standard_ConstructionError::Raise("Wire construction failed");
156 //} else if (aFW->StatusReorder(ShapeExtend_DONE2)) {
157 // Standard_ConstructionError::Raise("Wire construction failed: some gaps detected");
161 // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
162 Standard_Real aTolerance = aCI.GetTolerance();
163 if (aTolerance < Precision::Confusion())
164 aTolerance = Precision::Confusion();
166 aFW->ClosedWireMode() = Standard_False;
167 aFW->FixConnected(aTolerance);
168 if (aFW->StatusConnected(ShapeExtend_FAIL)) {
169 Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
172 if (aFW->StatusConnected(ShapeExtend_DONE3)) {
173 // Confused with <prec> but not Analyzer.Precision(), set the same
174 aFW->FixGapsByRangesMode() = Standard_True;
175 if (aFW->FixGaps3d()) {
176 Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
177 Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
178 for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
179 TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
180 aFe->FixVertexTolerance(aEdge);
181 aFe->FixSameParameter(aEdge);
184 else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
185 Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
189 aShape = aFW->WireAPIMake();
192 else if (aType == FACE_WIRE) {
193 Handle(GEOM_Function) aRefBase = aCI.GetBase();
194 TopoDS_Shape aShapeBase = aRefBase->GetValue();
195 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
197 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
198 W = TopoDS::Wire(aShapeBase);
200 else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
201 BRepBuilderAPI_MakeWire MW;
202 MW.Add(TopoDS::Edge(aShapeBase));
204 Standard_ConstructionError::Raise("Wire construction failed");
209 Standard_NullObject::Raise
210 ("Shape for face construction is neither a wire nor a closed edge");
212 GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
213 if (aShape.IsNull()) {
214 Standard_ConstructionError::Raise("Face construction failed");
217 else if (aType == FACE_WIRES) {
218 // Try to build a face from a set of wires and edges
221 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
222 int nbshapes = aShapes->Length();
224 Standard_ConstructionError::Raise("No wires or edges given");
227 // 1. Extract all edges from the given arguments
228 TopTools_MapOfShape aMapEdges;
229 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
232 for (ind = 1; ind <= nbshapes; ind++) {
233 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
234 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
236 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
237 for (; anExpE_i.More(); anExpE_i.Next()) {
238 if (aMapEdges.Add(anExpE_i.Current())) {
239 aSeqEdgesIn->Append(anExpE_i.Current());
244 // 2. Connect edges to wires of maximum length
245 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
246 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
247 /*shared*/Standard_False, aSeqWiresOut);
249 // 3. Separate closed wires
250 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
251 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
252 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
253 if (aSeqWiresOut->Value(ind).Closed())
254 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
256 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
259 if (aSeqClosedWires->Length() < 1) {
260 Standard_ConstructionError::Raise
261 ("There is no closed contour can be built from the given arguments");
264 // 4. Build a face / list of faces from all the obtained closed wires
268 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
269 GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
270 if (aFFace.IsNull()) {
271 Standard_ConstructionError::Raise("Face construction failed");
274 // 4.b. Add other wires
275 if (aSeqClosedWires->Length() == 1) {
280 BRep_Builder aBuilder;
281 aBuilder.MakeCompound(C);
282 BRepAlgo_FaceRestrictor FR;
284 TopAbs_Orientation OriF = aFFace.Orientation();
285 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
286 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
288 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
289 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
298 for (; FR.More(); FR.Next()) {
299 aFace = FR.Current().Oriented(OriF);
300 aBuilder.Add(C, aFace);
311 // 5. Add all open wires to the result
312 if (aSeqOpenWires->Length() > 0) {
313 //Standard_ConstructionError::Raise("There are some open wires");
315 BRep_Builder aBuilder;
316 if (aSeqClosedWires->Length() == 1) {
317 aBuilder.MakeCompound(C);
318 aBuilder.Add(C, aShape);
321 C = TopoDS::Compound(aShape);
324 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
325 aBuilder.Add(C, aSeqOpenWires->Value(ind));
331 else if (aType == SHELL_FACES) {
332 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
333 unsigned int ind, nbshapes = aShapes->Length();
336 BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
337 for (ind = 1; ind <= nbshapes; ind++) {
338 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
339 TopoDS_Shape aShape_i = aRefShape->GetValue();
340 if (aShape_i.IsNull()) {
341 Standard_NullObject::Raise("Face for shell construction is null");
343 aSewing.Add(aShape_i);
348 TopoDS_Shape sh = aSewing.SewedShape();
349 if( sh.ShapeType()==TopAbs_FACE && nbshapes==1 ) {
350 // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
357 //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
358 TopExp_Explorer exp (sh, TopAbs_SHELL);
359 Standard_Integer ish = 0;
360 for (; exp.More(); exp.Next()) {
361 aShape = exp.Current();
366 aShape = aSewing.SewedShape();
370 else if (aType == SOLID_SHELL) {
371 Handle(GEOM_Function) aRefShell = aCI.GetBase();
372 TopoDS_Shape aShapeShell = aRefShell->GetValue();
373 if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
374 Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
377 BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
378 if(chkShell.Closed() == BRepCheck_NotClosed) return 0;
382 B.Add(Sol, aShapeShell);
383 BRepClass3d_SolidClassifier SC (Sol);
384 SC.PerformInfinitePoint(Precision::Confusion());
385 if (SC.State() == TopAbs_IN) {
387 B.Add(Sol, aShapeShell.Reversed());
393 else if (aType == SOLID_SHELLS) {
394 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
395 unsigned int ind, nbshapes = aShapes->Length();
396 Standard_Integer ish = 0;
401 for (ind = 1; ind <= nbshapes; ind++) {
402 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
403 TopoDS_Shape aShapeShell = aRefShape->GetValue();
404 if (aShapeShell.IsNull()) {
405 Standard_NullObject::Raise("Shell for solid construction is null");
407 if (aShapeShell.ShapeType() == TopAbs_SHELL) {
408 B.Add(Sol, aShapeShell);
412 if ( ish == 0 ) return 0;
413 BRepClass3d_SolidClassifier SC (Sol);
414 SC.PerformInfinitePoint(Precision::Confusion());
415 switch (SC.State()) {
417 aShape = Sol.Reversed(); break;
420 default: // not closed shell?
425 else if (aType == COMPOUND_SHAPES) {
426 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
427 unsigned int ind, nbshapes = aShapes->Length();
432 for (ind = 1; ind <= nbshapes; ind++) {
433 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
434 TopoDS_Shape aShape_i = aRefShape->GetValue();
435 if (aShape_i.IsNull()) {
436 Standard_NullObject::Raise("Shape for compound construction is null");
444 else if (aType == REVERSE_ORIENTATION) {
445 Handle(GEOM_Function) aRefShape = aCI.GetBase();
446 TopoDS_Shape aShape_i = aRefShape->GetValue();
447 if (aShape_i.IsNull()) {
448 Standard_NullObject::Raise("Shape for reverse is null");
451 BRepBuilderAPI_Copy Copy(aShape_i);
452 if( Copy.IsDone() ) {
453 TopoDS_Shape tds = Copy.Shape();
455 Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
458 if( tds.Orientation() == TopAbs_FORWARD)
459 tds.Orientation(TopAbs_REVERSED);
461 tds.Orientation(TopAbs_FORWARD);
467 if (aShape.IsNull()) return 0;
469 // Check shape validity
470 BRepCheck_Analyzer ana (aShape, false);
471 if (!ana.IsValid()) {
472 //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
475 aFunction->SetValue(aShape);
477 log.SetTouched(Label());
483 //=======================================================================
484 //function : GEOMImpl_ShapeDriver_Type_
486 //=======================================================================
487 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
490 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
491 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
492 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
493 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
494 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
495 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
498 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
499 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
500 sizeof(GEOMImpl_ShapeDriver),
502 (Standard_Address)_Ancestors,
503 (Standard_Address)NULL);
508 //=======================================================================
509 //function : DownCast
511 //=======================================================================
512 const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
514 Handle(GEOMImpl_ShapeDriver) _anOtherObject;
516 if (!AnObject.IsNull()) {
517 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ShapeDriver))) {
518 _anOtherObject = Handle(GEOMImpl_ShapeDriver)((Handle(GEOMImpl_ShapeDriver)&)AnObject);
522 return _anOtherObject;