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");
173 aFW->FixGapsByRangesMode() = Standard_True;
174 if (aFW->FixGaps3d()) {
175 Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
176 Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
177 for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
178 TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
179 aFe->FixVertexTolerance(aEdge);
180 aFe->FixSameParameter(aEdge);
183 else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
184 Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
187 aShape = aFW->WireAPIMake();
190 else if (aType == FACE_WIRE) {
191 Handle(GEOM_Function) aRefBase = aCI.GetBase();
192 TopoDS_Shape aShapeBase = aRefBase->GetValue();
193 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
195 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
196 W = TopoDS::Wire(aShapeBase);
198 else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
199 BRepBuilderAPI_MakeWire MW;
200 MW.Add(TopoDS::Edge(aShapeBase));
202 Standard_ConstructionError::Raise("Wire construction failed");
207 Standard_NullObject::Raise
208 ("Shape for face construction is neither a wire nor a closed edge");
210 GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
211 if (aShape.IsNull()) {
212 Standard_ConstructionError::Raise("Face construction failed");
215 else if (aType == FACE_WIRES) {
216 // Try to build a face from a set of wires and edges
219 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
220 int nbshapes = aShapes->Length();
222 Standard_ConstructionError::Raise("No wires or edges given");
225 // 1. Extract all edges from the given arguments
226 TopTools_MapOfShape aMapEdges;
227 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
230 for (ind = 1; ind <= nbshapes; ind++) {
231 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
232 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
234 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
235 for (; anExpE_i.More(); anExpE_i.Next()) {
236 if (aMapEdges.Add(anExpE_i.Current())) {
237 aSeqEdgesIn->Append(anExpE_i.Current());
242 // 2. Connect edges to wires of maximum length
243 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
244 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
245 /*shared*/Standard_False, aSeqWiresOut);
247 // 3. Separate closed wires
248 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
249 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
250 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
251 if (aSeqWiresOut->Value(ind).Closed())
252 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
254 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
257 if (aSeqClosedWires->Length() < 1) {
258 Standard_ConstructionError::Raise
259 ("There is no closed contour can be built from the given arguments");
262 // 4. Build a face / list of faces from all the obtained closed wires
266 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
267 GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
268 if (aFFace.IsNull()) {
269 Standard_ConstructionError::Raise("Face construction failed");
272 // 4.b. Add other wires
273 if (aSeqClosedWires->Length() == 1) {
278 BRep_Builder aBuilder;
279 aBuilder.MakeCompound(C);
280 BRepAlgo_FaceRestrictor FR;
282 TopAbs_Orientation OriF = aFFace.Orientation();
283 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
284 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
286 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
287 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
296 for (; FR.More(); FR.Next()) {
297 aFace = FR.Current().Oriented(OriF);
298 aBuilder.Add(C, aFace);
309 // 5. Add all open wires to the result
310 if (aSeqOpenWires->Length() > 0) {
311 //Standard_ConstructionError::Raise("There are some open wires");
313 BRep_Builder aBuilder;
314 if (aSeqClosedWires->Length() == 1) {
315 aBuilder.MakeCompound(C);
316 aBuilder.Add(C, aShape);
319 C = TopoDS::Compound(aShape);
322 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
323 aBuilder.Add(C, aSeqOpenWires->Value(ind));
329 else if (aType == SHELL_FACES) {
330 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
331 unsigned int ind, nbshapes = aShapes->Length();
334 BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
335 for (ind = 1; ind <= nbshapes; ind++) {
336 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
337 TopoDS_Shape aShape_i = aRefShape->GetValue();
338 if (aShape_i.IsNull()) {
339 Standard_NullObject::Raise("Face for shell construction is null");
341 aSewing.Add(aShape_i);
346 TopoDS_Shape sh = aSewing.SewedShape();
347 if( sh.ShapeType()==TopAbs_FACE && nbshapes==1 ) {
348 // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
355 //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
356 TopExp_Explorer exp (sh, TopAbs_SHELL);
357 Standard_Integer ish = 0;
358 for (; exp.More(); exp.Next()) {
359 aShape = exp.Current();
364 aShape = aSewing.SewedShape();
368 else if (aType == SOLID_SHELL) {
369 Handle(GEOM_Function) aRefShell = aCI.GetBase();
370 TopoDS_Shape aShapeShell = aRefShell->GetValue();
371 if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
372 Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
375 BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
376 if(chkShell.Closed() == BRepCheck_NotClosed) return 0;
380 B.Add(Sol, aShapeShell);
381 BRepClass3d_SolidClassifier SC (Sol);
382 SC.PerformInfinitePoint(Precision::Confusion());
383 if (SC.State() == TopAbs_IN) {
385 B.Add(Sol, aShapeShell.Reversed());
391 else if (aType == SOLID_SHELLS) {
392 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
393 unsigned int ind, nbshapes = aShapes->Length();
394 Standard_Integer ish = 0;
399 for (ind = 1; ind <= nbshapes; ind++) {
400 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
401 TopoDS_Shape aShapeShell = aRefShape->GetValue();
402 if (aShapeShell.IsNull()) {
403 Standard_NullObject::Raise("Shell for solid construction is null");
405 if (aShapeShell.ShapeType() == TopAbs_SHELL) {
406 B.Add(Sol, aShapeShell);
410 if ( ish == 0 ) return 0;
411 BRepClass3d_SolidClassifier SC (Sol);
412 SC.PerformInfinitePoint(Precision::Confusion());
413 switch (SC.State()) {
415 aShape = Sol.Reversed(); break;
418 default: // not closed shell?
423 else if (aType == COMPOUND_SHAPES) {
424 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
425 unsigned int ind, nbshapes = aShapes->Length();
430 for (ind = 1; ind <= nbshapes; ind++) {
431 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
432 TopoDS_Shape aShape_i = aRefShape->GetValue();
433 if (aShape_i.IsNull()) {
434 Standard_NullObject::Raise("Shape for compound construction is null");
442 else if (aType == REVERSE_ORIENTATION) {
443 Handle(GEOM_Function) aRefShape = aCI.GetBase();
444 TopoDS_Shape aShape_i = aRefShape->GetValue();
445 if (aShape_i.IsNull()) {
446 Standard_NullObject::Raise("Shape for reverse is null");
449 BRepBuilderAPI_Copy Copy(aShape_i);
450 if( Copy.IsDone() ) {
451 TopoDS_Shape tds = Copy.Shape();
453 Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
456 if( tds.Orientation() == TopAbs_FORWARD)
457 tds.Orientation(TopAbs_REVERSED);
459 tds.Orientation(TopAbs_FORWARD);
465 if (aShape.IsNull()) return 0;
467 // Check shape validity
468 BRepCheck_Analyzer ana (aShape, false);
469 if (!ana.IsValid()) {
470 //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
473 aFunction->SetValue(aShape);
475 log.SetTouched(Label());
481 //=======================================================================
482 //function : GEOMImpl_ShapeDriver_Type_
484 //=======================================================================
485 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
488 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
489 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
490 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
491 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
492 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
493 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
496 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
497 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
498 sizeof(GEOMImpl_ShapeDriver),
500 (Standard_Address)_Ancestors,
501 (Standard_Address)NULL);
506 //=======================================================================
507 //function : DownCast
509 //=======================================================================
510 const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
512 Handle(GEOMImpl_ShapeDriver) _anOtherObject;
514 if (!AnObject.IsNull()) {
515 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ShapeDriver))) {
516 _anOtherObject = Handle(GEOMImpl_ShapeDriver)((Handle(GEOMImpl_ShapeDriver)&)AnObject);
520 return _anOtherObject;