1 // Copyright (C) 2007-2010 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
23 #include <GEOMImpl_ShapeDriver.hxx>
25 #include <GEOMImpl_IShapes.hxx>
26 #include <GEOMImpl_Types.hxx>
27 #include <GEOMImpl_Block6Explorer.hxx>
29 #include <GEOM_Function.hxx>
32 #include <ShapeFix_Wire.hxx>
33 #include <ShapeFix_Edge.hxx>
35 #include <BRep_Tool.hxx>
36 #include <BRep_Builder.hxx>
37 #include <BRepAlgo_FaceRestrictor.hxx>
38 #include <BRepBuilderAPI_Sewing.hxx>
39 #include <BRepBuilderAPI_Copy.hxx>
40 #include <BRepCheck.hxx>
41 #include <BRepCheck_Analyzer.hxx>
42 #include <BRepCheck_Shell.hxx>
43 #include <BRepClass3d_SolidClassifier.hxx>
44 #include <BRepBuilderAPI_MakeWire.hxx>
45 #include <BRepBuilderAPI_Sewing.hxx>
47 #include <ShapeAnalysis_FreeBounds.hxx>
51 #include <TopoDS_Shape.hxx>
52 #include <TopoDS_Edge.hxx>
53 #include <TopoDS_Wire.hxx>
54 #include <TopoDS_Shell.hxx>
55 #include <TopoDS_Solid.hxx>
56 #include <TopoDS_Compound.hxx>
57 #include <TopoDS_Iterator.hxx>
59 #include <TopExp_Explorer.hxx>
61 #include <TopTools_MapOfShape.hxx>
62 #include <TopTools_HSequenceOfShape.hxx>
64 #include <TColStd_HSequenceOfTransient.hxx>
66 #include <Precision.hxx>
67 #include <Standard_NullObject.hxx>
68 #include <Standard_TypeMismatch.hxx>
69 #include <Standard_ConstructionError.hxx>
71 //=======================================================================
74 //=======================================================================
75 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
77 static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
82 //=======================================================================
83 //function : GEOMImpl_ShapeDriver
85 //=======================================================================
86 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
90 //=======================================================================
93 //=======================================================================
94 Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
96 if (Label().IsNull()) return 0;
97 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
99 GEOMImpl_IShapes aCI (aFunction);
100 Standard_Integer aType = aFunction->GetType();
105 if (aType == WIRE_EDGES) {
106 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
111 for (unsigned int ind = 1; ind <= aShapes->Length(); ind++) {
112 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
113 TopoDS_Shape aShape_i = aRefShape->GetValue();
114 if (aShape_i.IsNull()) {
115 Standard_NullObject::Raise("Shape for wire construction is null");
117 if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
118 TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
119 for (; exp.More(); exp.Next())
120 B.Add(aWire, TopoDS::Edge(exp.Current()));
122 Standard_TypeMismatch::Raise
123 ("Shape for wire construction is neither an edge nor a wire");
128 Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
132 if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
133 Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
134 } else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
135 Standard_ConstructionError::Raise("Wire construction failed");
139 // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
140 Standard_Real aTolerance = aCI.GetTolerance();
141 if (aTolerance < Precision::Confusion())
142 aTolerance = Precision::Confusion();
144 aFW->ClosedWireMode() = Standard_False;
145 aFW->FixConnected(aTolerance);
146 if (aFW->StatusConnected(ShapeExtend_FAIL)) {
147 Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
150 if (aFW->StatusConnected(ShapeExtend_DONE3)) {
151 // Confused with <prec> but not Analyzer.Precision(), set the same
152 aFW->FixGapsByRangesMode() = Standard_True;
153 if (aFW->FixGaps3d()) {
154 Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
155 Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
156 for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
157 TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
158 aFe->FixVertexTolerance(aEdge);
159 aFe->FixSameParameter(aEdge);
162 else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
163 Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
166 aShape = aFW->WireAPIMake();
168 else if (aType == FACE_WIRE) {
169 Handle(GEOM_Function) aRefBase = aCI.GetBase();
170 TopoDS_Shape aShapeBase = aRefBase->GetValue();
171 if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
173 if (aShapeBase.ShapeType() == TopAbs_WIRE) {
174 W = TopoDS::Wire(aShapeBase);
175 // check the wire is closed
176 TopoDS_Vertex aV1, aV2;
177 TopExp::Vertices(W, aV1, aV2);
178 if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
179 aShapeBase.Closed(true);
181 Standard_NullObject::Raise
182 ("Shape for face construction is not closed");
184 else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
185 BRepBuilderAPI_MakeWire MW;
186 MW.Add(TopoDS::Edge(aShapeBase));
188 Standard_ConstructionError::Raise("Wire construction failed");
193 Standard_NullObject::Raise
194 ("Shape for face construction is neither a wire nor a closed edge");
196 GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
197 if (aShape.IsNull()) {
198 Standard_ConstructionError::Raise("Face construction failed");
201 else if (aType == FACE_WIRES) {
202 // Try to build a face from a set of wires and edges
205 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
206 int nbshapes = aShapes->Length();
208 Standard_ConstructionError::Raise("No wires or edges given");
211 // 1. Extract all edges from the given arguments
212 TopTools_MapOfShape aMapEdges;
213 Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
215 for (ind = 1; ind <= nbshapes; ind++) {
216 Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
217 TopoDS_Shape aSh_i = aRefSh_i->GetValue();
219 TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
220 for (; anExpE_i.More(); anExpE_i.Next()) {
221 if (aMapEdges.Add(anExpE_i.Current())) {
222 aSeqEdgesIn->Append(anExpE_i.Current());
227 // 2. Connect edges to wires of maximum length
228 Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
229 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
230 /*shared*/Standard_False, aSeqWiresOut);
232 // 3. Separate closed wires
233 Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
234 Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
235 for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
236 if (aSeqWiresOut->Value(ind).Closed())
237 aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
239 aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
242 if (aSeqClosedWires->Length() < 1) {
243 Standard_ConstructionError::Raise
244 ("There is no closed contour can be built from the given arguments");
247 // 4. Build a face / list of faces from all the obtained closed wires
251 TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
252 GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
253 if (aFFace.IsNull()) {
254 Standard_ConstructionError::Raise("Face construction failed");
257 // 4.b. Add other wires
258 if (aSeqClosedWires->Length() == 1) {
263 BRep_Builder aBuilder;
264 aBuilder.MakeCompound(C);
265 BRepAlgo_FaceRestrictor FR;
267 TopAbs_Orientation OriF = aFFace.Orientation();
268 TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
269 FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
271 for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
272 TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
281 for (; FR.More(); FR.Next()) {
282 aFace = FR.Current().Oriented(OriF);
283 aBuilder.Add(C, aFace);
294 // 5. Add all open wires to the result
295 if (aSeqOpenWires->Length() > 0) {
296 //Standard_ConstructionError::Raise("There are some open wires");
298 BRep_Builder aBuilder;
299 if (aSeqClosedWires->Length() == 1) {
300 aBuilder.MakeCompound(C);
301 aBuilder.Add(C, aShape);
304 C = TopoDS::Compound(aShape);
307 for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
308 aBuilder.Add(C, aSeqOpenWires->Value(ind));
314 else if (aType == SHELL_FACES) {
315 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
316 unsigned int ind, nbshapes = aShapes->Length();
319 BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
320 for (ind = 1; ind <= nbshapes; ind++) {
321 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
322 TopoDS_Shape aShape_i = aRefShape->GetValue();
323 if (aShape_i.IsNull()) {
324 Standard_NullObject::Raise("Face for shell construction is null");
326 aSewing.Add(aShape_i);
331 TopoDS_Shape sh = aSewing.SewedShape();
332 if( sh.ShapeType()==TopAbs_FACE && nbshapes==1 ) {
333 // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
340 //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
341 TopExp_Explorer exp (sh, TopAbs_SHELL);
342 Standard_Integer ish = 0;
343 for (; exp.More(); exp.Next()) {
344 aShape = exp.Current();
349 aShape = aSewing.SewedShape();
353 else if (aType == SOLID_SHELL) {
354 Handle(GEOM_Function) aRefShell = aCI.GetBase();
355 TopoDS_Shape aShapeShell = aRefShell->GetValue();
356 if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
357 Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
360 BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
361 if(chkShell.Closed() == BRepCheck_NotClosed) return 0;
365 B.Add(Sol, aShapeShell);
366 BRepClass3d_SolidClassifier SC (Sol);
367 SC.PerformInfinitePoint(Precision::Confusion());
368 if (SC.State() == TopAbs_IN) {
370 B.Add(Sol, aShapeShell.Reversed());
376 else if (aType == SOLID_SHELLS) {
377 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
378 unsigned int ind, nbshapes = aShapes->Length();
379 Standard_Integer ish = 0;
384 for (ind = 1; ind <= nbshapes; ind++) {
385 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
386 TopoDS_Shape aShapeShell = aRefShape->GetValue();
387 if (aShapeShell.IsNull()) {
388 Standard_NullObject::Raise("Shell for solid construction is null");
390 if (aShapeShell.ShapeType() == TopAbs_SHELL) {
391 B.Add(Sol, aShapeShell);
395 if ( ish == 0 ) return 0;
396 BRepClass3d_SolidClassifier SC (Sol);
397 SC.PerformInfinitePoint(Precision::Confusion());
398 if (SC.State() == TopAbs_IN)
399 aShape = Sol.Reversed();
403 else if (aType == COMPOUND_SHAPES) {
404 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
405 unsigned int ind, nbshapes = aShapes->Length();
410 for (ind = 1; ind <= nbshapes; ind++) {
411 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
412 TopoDS_Shape aShape_i = aRefShape->GetValue();
413 if (aShape_i.IsNull()) {
414 Standard_NullObject::Raise("Shape for compound construction is null");
422 else if (aType == REVERSE_ORIENTATION) {
423 Handle(GEOM_Function) aRefShape = aCI.GetBase();
424 TopoDS_Shape aShape_i = aRefShape->GetValue();
425 if (aShape_i.IsNull()) {
426 Standard_NullObject::Raise("Shape for reverse is null");
429 BRepBuilderAPI_Copy Copy(aShape_i);
430 if( Copy.IsDone() ) {
431 TopoDS_Shape tds = Copy.Shape();
433 Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
436 if( tds.Orientation() == TopAbs_FORWARD)
437 tds.Orientation(TopAbs_REVERSED);
439 tds.Orientation(TopAbs_FORWARD);
445 if (aShape.IsNull()) return 0;
447 // Check shape validity
448 BRepCheck_Analyzer ana (aShape, false);
449 if (!ana.IsValid()) {
450 //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
453 aFunction->SetValue(aShape);
455 log.SetTouched(Label());
461 //=======================================================================
462 //function : GEOMImpl_ShapeDriver_Type_
464 //=======================================================================
465 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
468 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
469 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
470 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
471 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
472 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
473 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
476 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
477 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
478 sizeof(GEOMImpl_ShapeDriver),
480 (Standard_Address)_Ancestors,
481 (Standard_Address)NULL);
486 //=======================================================================
487 //function : DownCast
489 //=======================================================================
490 const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
492 Handle(GEOMImpl_ShapeDriver) _anOtherObject;
494 if (!AnObject.IsNull()) {
495 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ShapeDriver))) {
496 _anOtherObject = Handle(GEOMImpl_ShapeDriver)((Handle(GEOMImpl_ShapeDriver)&)AnObject);
500 return _anOtherObject;