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>
33 #include <BRep_Tool.hxx>
34 #include <BRep_Builder.hxx>
35 #include <BRepAlgo_FaceRestrictor.hxx>
36 #include <BRepBuilderAPI_Sewing.hxx>
37 #include <BRepBuilderAPI_Copy.hxx>
38 #include <BRepCheck.hxx>
39 #include <BRepCheck_Analyzer.hxx>
40 #include <BRepCheck_Shell.hxx>
41 #include <BRepClass3d_SolidClassifier.hxx>
42 #include <BRepBuilderAPI_MakeWire.hxx>
43 #include <BRepBuilderAPI_Sewing.hxx>
45 #include <ShapeAnalysis_FreeBounds.hxx>
49 #include <TopoDS_Shape.hxx>
50 #include <TopoDS_Edge.hxx>
51 #include <TopoDS_Wire.hxx>
52 #include <TopoDS_Shell.hxx>
53 #include <TopoDS_Solid.hxx>
54 #include <TopoDS_Compound.hxx>
55 #include <TopoDS_Iterator.hxx>
56 #include <TopExp_Explorer.hxx>
58 #include <TopTools_MapOfShape.hxx>
59 #include <TopTools_HSequenceOfShape.hxx>
61 #include <TColStd_HSequenceOfTransient.hxx>
63 #include <Precision.hxx>
64 #include <Standard_NullObject.hxx>
65 #include <Standard_TypeMismatch.hxx>
66 #include <Standard_ConstructionError.hxx>
68 //=======================================================================
71 //=======================================================================
72 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
74 static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
79 //=======================================================================
80 //function : GEOMImpl_ShapeDriver
82 //=======================================================================
83 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
87 //=======================================================================
90 //=======================================================================
91 Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
93 if (Label().IsNull()) return 0;
94 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
96 GEOMImpl_IShapes aCI (aFunction);
97 Standard_Integer aType = aFunction->GetType();
102 if (aType == WIRE_EDGES) {
103 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
104 unsigned int ind, nbshapes = aShapes->Length();
108 BRepBuilderAPI_MakeWire MW;
109 bool isMWDone = true;
112 for (ind = 1; ind <= nbshapes; ind++) {
113 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
114 TopoDS_Shape aShape_i = aRefShape->GetValue();
115 if (aShape_i.IsNull()) {
116 Standard_NullObject::Raise("Shape for wire construction is null");
118 if (aShape_i.ShapeType() == TopAbs_EDGE) {
119 B.Add(aWire, TopoDS::Edge(aShape_i));
120 MW.Add(TopoDS::Edge(aShape_i));
122 // check status after each edge/wire addition, because the final status
123 // can be OK even in case, when some edges/wires was not accepted.
126 } else if (aShape_i.ShapeType() == TopAbs_WIRE) {
127 TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
128 for (; exp.More(); exp.Next()) {
129 B.Add(aWire, TopoDS::Edge(exp.Current()));
130 MW.Add(TopoDS::Edge(exp.Current()));
132 // check status after each edge/wire addition, because the final status
133 // can be OK even in case, when some edges/wires was not accepted.
138 Standard_TypeMismatch::Raise
139 ("Shape for wire construction is neither an edge nor a wire");
147 Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
151 if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
152 Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
153 } else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
154 Standard_ConstructionError::Raise("Wire construction failed");
155 } else if (aFW->StatusReorder(ShapeExtend_DONE2)) {
156 Standard_ConstructionError::Raise("Wire construction failed: some gaps detected");
160 aFW->ClosedWireMode() = Standard_False;
162 if (aFW->StatusConnected(ShapeExtend_FAIL)) {
163 Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
166 aShape = aFW->WireAPIMake();
169 else if (aType == FACE_WIRE) {
170 Handle(GEOM_Function) aRefBase = aCI.GetBase();
171 TopoDS_Shape aShapeBase = aRefBase->GetValue();
172 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
174 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
175 W = TopoDS::Wire(aShapeBase);
177 else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
178 BRepBuilderAPI_MakeWire MW;
179 MW.Add(TopoDS::Edge(aShapeBase));
181 Standard_ConstructionError::Raise("Wire construction failed");
186 Standard_NullObject::Raise
187 ("Shape for face construction is neither a wire nor a closed edge");
189 GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
190 if (aShape.IsNull()) {
191 Standard_ConstructionError::Raise("Face construction failed");
194 else if (aType == FACE_WIRES) {
195 // Try to build a face from a set of wires and edges
198 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
199 int nbshapes = aShapes->Length();
201 Standard_ConstructionError::Raise("No wires or edges given");
204 // 1. Extract all edges from the given arguments
205 TopTools_MapOfShape aMapEdges;
206 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
209 for (ind = 1; ind <= nbshapes; ind++) {
210 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
211 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
213 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
214 for (; anExpE_i.More(); anExpE_i.Next()) {
215 if (aMapEdges.Add(anExpE_i.Current())) {
216 aSeqEdgesIn->Append(anExpE_i.Current());
221 // 2. Connect edges to wires of maximum length
222 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
223 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
224 /*shared*/Standard_False, aSeqWiresOut);
226 // 3. Separate closed wires
227 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
228 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
229 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
230 if (aSeqWiresOut->Value(ind).Closed())
231 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
233 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
236 if (aSeqClosedWires->Length() < 1) {
237 Standard_ConstructionError::Raise
238 ("There is no closed contour can be built from the given arguments");
241 // 4. Build a face / list of faces from all the obtained closed wires
245 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
246 GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
247 if (aFFace.IsNull()) {
248 Standard_ConstructionError::Raise("Face construction failed");
251 // 4.b. Add other wires
252 if (aSeqClosedWires->Length() == 1) {
257 BRep_Builder aBuilder;
258 aBuilder.MakeCompound(C);
259 BRepAlgo_FaceRestrictor FR;
261 TopAbs_Orientation OriF = aFFace.Orientation();
262 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
263 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
265 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
266 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
275 for (; FR.More(); FR.Next()) {
276 aFace = FR.Current().Oriented(OriF);
277 aBuilder.Add(C, aFace);
288 // 5. Add all open wires to the result
289 if (aSeqOpenWires->Length() > 0) {
290 //Standard_ConstructionError::Raise("There are some open wires");
292 BRep_Builder aBuilder;
293 if (aSeqClosedWires->Length() == 1) {
294 aBuilder.MakeCompound(C);
295 aBuilder.Add(C, aShape);
298 C = TopoDS::Compound(aShape);
301 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
302 aBuilder.Add(C, aSeqOpenWires->Value(ind));
308 else if (aType == SHELL_FACES) {
309 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
310 unsigned int ind, nbshapes = aShapes->Length();
313 BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
314 for (ind = 1; ind <= nbshapes; ind++) {
315 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
316 TopoDS_Shape aShape_i = aRefShape->GetValue();
317 if (aShape_i.IsNull()) {
318 Standard_NullObject::Raise("Face for shell construction is null");
320 aSewing.Add(aShape_i);
325 TopoDS_Shape sh = aSewing.SewedShape();
326 if( sh.ShapeType()==TopAbs_FACE && nbshapes==1 ) {
327 // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
334 //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
335 TopExp_Explorer exp (sh, TopAbs_SHELL);
336 Standard_Integer ish = 0;
337 for (; exp.More(); exp.Next()) {
338 aShape = exp.Current();
343 aShape = aSewing.SewedShape();
347 else if (aType == SOLID_SHELL) {
348 Handle(GEOM_Function) aRefShell = aCI.GetBase();
349 TopoDS_Shape aShapeShell = aRefShell->GetValue();
350 if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
351 Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
354 BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
355 if(chkShell.Closed() == BRepCheck_NotClosed) return 0;
359 B.Add(Sol, aShapeShell);
360 BRepClass3d_SolidClassifier SC (Sol);
361 SC.PerformInfinitePoint(Precision::Confusion());
362 if (SC.State() == TopAbs_IN) {
364 B.Add(Sol, aShapeShell.Reversed());
370 else if (aType == SOLID_SHELLS) {
371 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
372 unsigned int ind, nbshapes = aShapes->Length();
373 Standard_Integer ish = 0;
378 for (ind = 1; ind <= nbshapes; ind++) {
379 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
380 TopoDS_Shape aShapeShell = aRefShape->GetValue();
381 if (aShapeShell.IsNull()) {
382 Standard_NullObject::Raise("Shell for solid construction is null");
384 if (aShapeShell.ShapeType() == TopAbs_SHELL) {
385 B.Add(Sol, aShapeShell);
389 if ( ish == 0 ) return 0;
390 BRepClass3d_SolidClassifier SC (Sol);
391 SC.PerformInfinitePoint(Precision::Confusion());
392 switch (SC.State()) {
394 aShape = Sol.Reversed(); break;
397 default: // not closed shell?
402 else if (aType == COMPOUND_SHAPES) {
403 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
404 unsigned int ind, nbshapes = aShapes->Length();
409 for (ind = 1; ind <= nbshapes; ind++) {
410 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
411 TopoDS_Shape aShape_i = aRefShape->GetValue();
412 if (aShape_i.IsNull()) {
413 Standard_NullObject::Raise("Shape for compound construction is null");
421 else if (aType == REVERSE_ORIENTATION) {
422 Handle(GEOM_Function) aRefShape = aCI.GetBase();
423 TopoDS_Shape aShape_i = aRefShape->GetValue();
424 if (aShape_i.IsNull()) {
425 Standard_NullObject::Raise("Shape for reverse is null");
428 BRepBuilderAPI_Copy Copy(aShape_i);
429 if( Copy.IsDone() ) {
430 TopoDS_Shape tds = Copy.Shape();
432 Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
435 if( tds.Orientation() == TopAbs_FORWARD)
436 tds.Orientation(TopAbs_REVERSED);
438 tds.Orientation(TopAbs_FORWARD);
444 if (aShape.IsNull()) return 0;
446 // Check shape validity
447 BRepCheck_Analyzer ana (aShape, false);
448 if (!ana.IsValid()) {
449 Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
452 aFunction->SetValue(aShape);
454 log.SetTouched(Label());
460 //=======================================================================
461 //function : GEOMImpl_ShapeDriver_Type_
463 //=======================================================================
464 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
467 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
468 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
469 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
470 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
471 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
472 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
475 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
476 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
477 sizeof(GEOMImpl_ShapeDriver),
479 (Standard_Address)_Ancestors,
480 (Standard_Address)NULL);
485 //=======================================================================
486 //function : DownCast
488 //=======================================================================
489 const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
491 Handle(GEOMImpl_ShapeDriver) _anOtherObject;
493 if (!AnObject.IsNull()) {
494 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ShapeDriver))) {
495 _anOtherObject = Handle(GEOMImpl_ShapeDriver)((Handle(GEOMImpl_ShapeDriver)&)AnObject);
499 return _anOtherObject;