-// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
+//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-#include <Standard_Stream.hxx>
-
#include <GEOMImpl_BooleanDriver.hxx>
#include <GEOMImpl_IBoolean.hxx>
#include <GEOMImpl_Types.hxx>
+#include <GEOMImpl_GlueDriver.hxx>
#include <GEOM_Function.hxx>
+#include <GEOMUtils.hxx>
+#include <BlockFix_BlockFixAPI.hxx>
+#include <ShHealOper_ShapeProcess.hxx>
-#include <BRepAlgo.hxx>
+#include <TNaming_CopyShape.hxx>
+
+#include <BRep_Builder.hxx>
#include <BRepAlgoAPI_Common.hxx>
#include <BRepAlgoAPI_Cut.hxx>
#include <BRepAlgoAPI_Fuse.hxx>
#include <BRepAlgoAPI_Section.hxx>
-#include <TopoDS_Shape.hxx>
+#include <BOPAlgo_CheckerSI.hxx>
+#include <BOPDS_DS.hxx>
+#include <BOPTools_AlgoTools.hxx>
+
+#include <TopExp_Explorer.hxx>
+#include <TopoDS_Compound.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+
+#include <TColStd_IndexedDataMapOfTransientTransient.hxx>
+
+#include <Precision.hxx>
#include <Standard_ConstructionError.hxx>
#include <StdFail_NotDone.hxx>
+// Depth of self-intersection check (see BOPAlgo_CheckerSI::SetLevelOfCheck() for more details)
+// Default value for BOPAlgo_CheckerSI gives very long computation when checking face-to-face intersections;
+// here check level is decreased to more appropriate value to avoid problems with performance).
+#define BOP_SELF_INTERSECTIONS_LEVEL 4
+
+/**
+ * This function performs extra edges removal.
+ *
+ * \param theShape the shape to be processed.
+ * \return the modified shape or null shape in case of failure.
+ */
+static TopoDS_Shape RemoveExtraEdges(const TopoDS_Shape &theShape)
+{
+ TopoDS_Shape aResult;
+
+ if (!theShape.IsNull()) {
+ BlockFix_BlockFixAPI aTool;
+
+ aTool.OptimumNbFaces() = 0;
+ aTool.SetShape(theShape);
+ aTool.Perform();
+ TopoDS_Shape aShape = aTool.Shape();
+
+ if (GEOMUtils::CheckShape(aShape)) {
+ aResult = aShape;
+ }
+ else {
+ TopoDS_Shape aFixed;
+ ShHealOper_ShapeProcess aHealer;
+ aHealer.Perform(aShape, aFixed);
+ if (aHealer.isDone() && GEOMUtils::CheckShape(aFixed))
+ aResult = aFixed;
+ }
+ }
+
+ return aResult;
+}
+
//=======================================================================
//function : GetID
//purpose :
return aBooleanDriver;
}
-
//=======================================================================
//function : GEOMImpl_BooleanDriver
//purpose :
//function : Execute
//purpose :
//=======================================================================
-Standard_Integer GEOMImpl_BooleanDriver::Execute(TFunction_Logbook& log) const
+Standard_Integer GEOMImpl_BooleanDriver::Execute(Handle(TFunction_Logbook)& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IBoolean aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
+ const Standard_Boolean isCheckSelfInte = aCI.GetCheckSelfIntersection();
+ const Standard_Boolean isRmExtraEdges = aCI.GetRmExtraEdges();
TopoDS_Shape aShape;
- Handle(GEOM_Function) aRefShape1 = aCI.GetShape1();
- Handle(GEOM_Function) aRefShape2 = aCI.GetShape2();
- TopoDS_Shape aShape1 = aRefShape1->GetValue();
- TopoDS_Shape aShape2 = aRefShape2->GetValue();
- if (!aShape1.IsNull() && !aShape2.IsNull()) {
- if (aType == BOOLEAN_COMMON) {
- BRepAlgoAPI_Common BO (aShape1, aShape2);
-// BO.Build();
- if (!BO.IsDone()) {
- StdFail_NotDone::Raise("Requested boolean operation can not be performed on the given shapes");
- }
- aShape = BO.Shape();
- } else if (aType == BOOLEAN_CUT) {
- BRepAlgoAPI_Cut BO (aShape1, aShape2);
- if (!BO.IsDone()) {
- StdFail_NotDone::Raise("Requested boolean operation can not be performed on the given shapes");
- }
- aShape = BO.Shape();
- } else if (aType == BOOLEAN_FUSE) {
- BRepAlgoAPI_Fuse BO (aShape1, aShape2);
- if (!BO.IsDone()) {
- StdFail_NotDone::Raise("Requested boolean operation can not be performed on the given shapes");
+ switch (aType) {
+ case BOOLEAN_COMMON:
+ case BOOLEAN_CUT:
+ case BOOLEAN_FUSE:
+ case BOOLEAN_SECTION:
+ {
+ Handle(GEOM_Function) aRefShape1 = aCI.GetShape1();
+ Handle(GEOM_Function) aRefShape2 = aCI.GetShape2();
+ TopoDS_Shape aShape1 = aRefShape1->GetValue();
+ TopoDS_Shape aShape2 = aRefShape2->GetValue();
+
+ if (!aShape1.IsNull() && !aShape2.IsNull()) {
+ // check arguments for Mantis issue 0021019
+ if (!GEOMUtils::CheckShape(aShape1, true) || !GEOMUtils::CheckShape(aShape2, true))
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
+
+ if (isCheckSelfInte) {
+ BOPAlgo_CheckerSI aCSI; // checker of self-interferences
+ aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
+ BOPCol_ListOfShape aList1, aList2;
+ aList1.Append(aShape1);
+ aList2.Append(aShape2);
+ aCSI.SetArguments(aList1);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0)
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ aCSI.SetArguments(aList2);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0)
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ }
+
+ // Make a copy to prevent the original shape changes.
+ TopoDS_Shape aShapeCopy1;
+ TopoDS_Shape aShapeCopy2;
+ TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
+ TNaming_CopyShape::CopyTool(aShape1, aMapTShapes, aShapeCopy1);
+ TNaming_CopyShape::CopyTool(aShape2, aMapTShapes, aShapeCopy2);
+
+ aShape = performOperation (aShapeCopy1, aShapeCopy2, aType);
+
+ if (isRmExtraEdges) {
+ aShape = RemoveExtraEdges(aShape);
+ }
+
+ if (aShape.IsNull()) {
+ return 0;
+ }
}
- aShape = BO.Shape();
- } else if (aType == BOOLEAN_SECTION) {
- BRepAlgoAPI_Section BO (aShape1, aShape2);
- if (!BO.IsDone()) {
- StdFail_NotDone::Raise("Requested boolean operation can not be performed on the given shapes");
+ }
+ break;
+ case BOOLEAN_COMMON_LIST:
+ case BOOLEAN_FUSE_LIST:
+ {
+ Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
+ const Standard_Integer nbShapes = aShapes->Length();
+ Standard_Integer i;
+ Handle(GEOM_Function) aRefShape;
+ TopoDS_Shape aShape2;
+ Standard_Integer aSimpleType =
+ (aType == BOOLEAN_FUSE_LIST ? BOOLEAN_FUSE : BOOLEAN_COMMON);
+
+ if (nbShapes > 0) {
+ aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(1));
+ aShape = aRefShape->GetValue();
+
+ if (!aShape.IsNull()) {
+ // check arguments for Mantis issue 0021019
+ if (!GEOMUtils::CheckShape(aShape, true))
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
+
+ BOPAlgo_CheckerSI aCSI; // checker of self-interferences
+
+ if (isCheckSelfInte) {
+ aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
+ BOPCol_ListOfShape aList1;
+ aList1.Append(aShape);
+ aCSI.SetArguments(aList1);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ }
+ }
+
+ // Copy shape
+ TopoDS_Shape aShapeCopy;
+ TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
+
+ TNaming_CopyShape::CopyTool(aShape, aMapTShapes, aShapeCopy);
+ aShape = aShapeCopy;
+
+ for (i = 2; i <= nbShapes; i++) {
+ aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(i));
+ aShape2 = aRefShape->GetValue();
+
+ if (!GEOMUtils::CheckShape(aShape2, true))
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
+
+ if (isCheckSelfInte) {
+ BOPCol_ListOfShape aList2;
+ aList2.Append(aShape2);
+ aCSI.SetArguments(aList2);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ }
+ }
+
+ // Copy shape
+ aShapeCopy.Nullify();
+ TNaming_CopyShape::CopyTool(aShape2, aMapTShapes, aShapeCopy);
+ aShape = performOperation (aShape, aShapeCopy, aSimpleType);
+
+ if (isRmExtraEdges) {
+ aShape = RemoveExtraEdges(aShape);
+ }
+
+ if (aShape.IsNull()) {
+ return 0;
+ }
+ }
+ }
}
- aShape = BO.Shape();
- } else {
}
- }
+ break;
+ case BOOLEAN_CUT_LIST:
+ {
+ Handle(GEOM_Function) aRefObject = aCI.GetShape1();
+
+ aShape = aRefObject->GetValue();
+
+ if (!aShape.IsNull()) {
+ // check arguments for Mantis issue 0021019
+ if (!GEOMUtils::CheckShape(aShape, true))
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
+
+ BOPAlgo_CheckerSI aCSI; // checker of self-interferences
- if (aShape.IsNull()) return 0;
- if (!BRepAlgo::IsValid(aShape)) {
- Standard_ConstructionError::Raise("Boolean aborted : non valid shape result");
+ if (isCheckSelfInte) {
+ aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
+ BOPCol_ListOfShape aList1;
+ aList1.Append(aShape);
+ aCSI.SetArguments(aList1);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ }
+ }
+
+ // Copy shape
+ TopoDS_Shape aShapeCopy;
+ TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
+
+ TNaming_CopyShape::CopyTool(aShape, aMapTShapes, aShapeCopy);
+ aShape = aShapeCopy;
+
+ Handle(TColStd_HSequenceOfTransient) aTools = aCI.GetShapes();
+ const Standard_Integer nbShapes = aTools->Length();
+ Standard_Integer i;
+ Handle(GEOM_Function) aRefTool;
+ TopoDS_Shape aTool;
+
+ for (i = 1; i <= nbShapes; i++) {
+ aRefTool = Handle(GEOM_Function)::DownCast(aTools->Value(i));
+ aTool = aRefTool->GetValue();
+
+ if (!GEOMUtils::CheckShape(aTool, true))
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
+
+ if (isCheckSelfInte) {
+ BOPCol_ListOfShape aList2;
+ aList2.Append(aTool);
+ aCSI.SetArguments(aList2);
+ aCSI.Perform();
+ if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
+ StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
+ }
+ }
+
+ // Copy shape
+ aShapeCopy.Nullify();
+ TNaming_CopyShape::CopyTool(aTool, aMapTShapes, aShapeCopy);
+ aShape = performOperation (aShape, aShapeCopy, BOOLEAN_CUT);
+
+ if (aShape.IsNull()) {
+ return 0;
+ }
+ }
+ }
+ }
+ break;
+ default:
+ break;
}
aFunction->SetValue(aShape);
- log.SetTouched(Label());
+ log->SetTouched(Label());
return 1;
}
-
//=======================================================================
-//function : GEOMImpl_BooleanDriver_Type_
+//function : makeCompoundShellFromFaces
//purpose :
//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_BooleanDriver_Type_()
+TopoDS_Shape GEOMImpl_BooleanDriver::makeCompoundShellFromFaces
+ (const TopoDS_Shape theShape)const
{
+ if (theShape.ShapeType() != TopAbs_COMPOUND)
+ return theShape;
- static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
- if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
- static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
- if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
- static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
- if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
+ BRep_Builder B;
+ TopoDS_Compound aFaces;
+ B.MakeCompound(aFaces);
+
+ // simplify compound structure for
+ // Mantis issue 0023419 (note 0021712)
+ TopExp_Explorer aExp;
+ TopTools_MapOfShape aMapFaces;
+ aExp.Init(theShape, TopAbs_FACE);
+ for (; aExp.More(); aExp.Next()) {
+ const TopoDS_Shape& aFace = aExp.Current();
+ if (aMapFaces.Add(aFace)) {
+ B.Add(aFaces, aFace);
+ }
+ }
+ BOPCol_ListOfShape aListShapes;
+ BOPTools_AlgoTools::MakeConnexityBlocks(aFaces, TopAbs_EDGE, TopAbs_FACE, aListShapes);
- static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
- static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_BooleanDriver",
- sizeof(GEOMImpl_BooleanDriver),
- 1,
- (Standard_Address)_Ancestors,
- (Standard_Address)NULL);
+ if (aListShapes.IsEmpty())
+ return theShape;
- return _aType;
+ TopoDS_Compound aResult;
+ B.MakeCompound(aResult);
+ BOPCol_ListIteratorOfListOfShape anIter(aListShapes);
+
+ for (; anIter.More(); anIter.Next()) {
+ TopoDS_Shell aShell;
+ B.MakeShell(aShell);
+ TopoDS_Shape aShapeFromFaces = anIter.Value();
+ aExp.Init(aShapeFromFaces, TopAbs_FACE);
+ for (; aExp.More(); aExp.Next()) {
+ const TopoDS_Shape& aFace = aExp.Current();
+ B.Add(aShell, aFace);
+ }
+ if (!aShell.IsNull()) {
+ BOPTools_AlgoTools::OrientFacesOnShell(aShell);
+ B.Add(aResult, aShell);
+ }
+ else
+ B.Add(aResult, aShapeFromFaces);
+ }
+
+ return aResult;
}
//=======================================================================
-//function : DownCast
+//function : performOperation
//purpose :
//=======================================================================
-const Handle(GEOMImpl_BooleanDriver) Handle(GEOMImpl_BooleanDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
+TopoDS_Shape GEOMImpl_BooleanDriver::performOperation
+ (const TopoDS_Shape theShape1,
+ const TopoDS_Shape theShape2,
+ const Standard_Integer theType)const
+{
+ TopoDS_Shape aShape;
+
+ // perform COMMON operation
+ if (theType == BOOLEAN_COMMON) {
+ BRep_Builder B;
+ TopoDS_Compound C;
+ B.MakeCompound(C);
+
+ TopTools_ListOfShape listShape1, listShape2;
+ GEOMUtils::AddSimpleShapes(theShape1, listShape1);
+ GEOMUtils::AddSimpleShapes(theShape2, listShape2);
+
+ Standard_Boolean isCompound =
+ (listShape1.Extent() > 1 || listShape2.Extent() > 1);
+
+ TopTools_ListIteratorOfListOfShape itSub1 (listShape1);
+ for (; itSub1.More(); itSub1.Next()) {
+ TopoDS_Shape aValue1 = itSub1.Value();
+ TopTools_ListIteratorOfListOfShape itSub2 (listShape2);
+ for (; itSub2.More(); itSub2.Next()) {
+ TopoDS_Shape aValue2 = itSub2.Value();
+ BRepAlgoAPI_Common BO (aValue1, aValue2);
+ if (!BO.IsDone()) {
+ StdFail_NotDone::Raise("Common operation can not be performed on the given shapes");
+ }
+ if (isCompound) {
+ TopoDS_Shape aStepResult = BO.Shape();
+
+ // check result of this step: if it is a compound (boolean operations
+ // always return a compound), we add all sub-shapes of it.
+ // This allows to avoid adding empty compounds,
+ // resulting from COMMON on two non-intersecting shapes.
+ if (aStepResult.ShapeType() == TopAbs_COMPOUND) {
+ if ((aValue1.ShapeType() == TopAbs_FACE || aValue1.ShapeType() == TopAbs_SHELL) &&
+ (aValue2.ShapeType() == TopAbs_FACE || aValue2.ShapeType() == TopAbs_SHELL)) {
+ aStepResult = makeCompoundShellFromFaces(aStepResult);
+ }
+ TopoDS_Iterator aCompIter (aStepResult);
+ for (; aCompIter.More(); aCompIter.Next()) {
+ // add shape in a result
+ B.Add(C, aCompIter.Value());
+ }
+ }
+ else {
+ // add shape in a result
+ B.Add(C, aStepResult);
+ }
+ }
+ else
+ aShape = BO.Shape();
+ }
+ }
+
+ if (isCompound) {
+ // As GlueFaces has been improved to keep all kind of shapes
+ TopExp_Explorer anExp (C, TopAbs_VERTEX);
+ if (anExp.More())
+ aShape = GEOMImpl_GlueDriver::GlueFaces(C, Precision::Confusion(), Standard_True);
+ else
+ aShape = C;
+ }
+ }
+
+ // perform CUT operation
+ else if (theType == BOOLEAN_CUT) {
+ BRep_Builder B;
+ TopoDS_Compound C;
+ B.MakeCompound(C);
+
+ TopTools_ListOfShape listShapes, listTools;
+ GEOMUtils::AddSimpleShapes(theShape1, listShapes);
+ GEOMUtils::AddSimpleShapes(theShape2, listTools);
+
+ Standard_Boolean isCompound = (listShapes.Extent() > 1);
+
+ TopTools_ListIteratorOfListOfShape itSub1 (listShapes);
+ for (; itSub1.More(); itSub1.Next()) {
+ TopoDS_Shape aCut = itSub1.Value();
+ // tools
+ TopTools_ListIteratorOfListOfShape itSub2 (listTools);
+ for (; itSub2.More(); itSub2.Next()) {
+ TopoDS_Shape aTool = itSub2.Value();
+ BRepAlgoAPI_Cut BO (aCut, aTool);
+ if (!BO.IsDone()) {
+ StdFail_NotDone::Raise("Cut operation can not be performed on the given shapes");
+ }
+ aCut = BO.Shape();
+ }
+ if (isCompound) {
+ // check result of this step: if it is a compound (boolean operations
+ // always return a compound), we add all sub-shapes of it.
+ // This allows to avoid adding empty compounds,
+ // resulting from CUT of parts
+ if (aCut.ShapeType() == TopAbs_COMPOUND) {
+ if (itSub1.Value().ShapeType() == TopAbs_FACE ||
+ itSub1.Value().ShapeType() == TopAbs_SHELL) {
+ aCut = makeCompoundShellFromFaces(aCut);
+ }
+ TopoDS_Iterator aCompIter (aCut);
+ for (; aCompIter.More(); aCompIter.Next()) {
+ // add shape in a result
+ B.Add(C, aCompIter.Value());
+ }
+ }
+ else {
+ // add shape in a result
+ B.Add(C, aCut);
+ }
+ }
+ else
+ aShape = aCut;
+ }
+
+ if (isCompound) {
+ // As GlueFaces has been improved to keep all kind of shapes
+ TopExp_Explorer anExp (C, TopAbs_VERTEX);
+ if (anExp.More())
+ aShape = GEOMImpl_GlueDriver::GlueFaces(C, Precision::Confusion(), Standard_True);
+ else
+ aShape = C;
+ }
+ }
+
+ // perform FUSE operation
+ else if (theType == BOOLEAN_FUSE) {
+ Standard_Boolean isFaces = Standard_False;
+ TopTools_ListOfShape listShape1, listShape2;
+ GEOMUtils::AddSimpleShapes(theShape1, listShape1);
+ GEOMUtils::AddSimpleShapes(theShape2, listShape2);
+
+ TopTools_ListIteratorOfListOfShape itSub1 (listShape1);
+ for (; itSub1.More(); itSub1.Next()) {
+ TopoDS_Shape aValue1 = itSub1.Value();
+ TopTools_ListIteratorOfListOfShape itSub2 (listShape2);
+ for (; itSub2.More(); itSub2.Next()) {
+ TopoDS_Shape aValue2 = itSub2.Value();
+ if ((aValue1.ShapeType() == TopAbs_FACE || aValue1.ShapeType() == TopAbs_SHELL) &&
+ (aValue2.ShapeType() == TopAbs_FACE || aValue2.ShapeType() == TopAbs_SHELL)) {
+ isFaces = Standard_True;
+ }
+ }
+ }
+
+ // Perform
+ BRepAlgoAPI_Fuse BO (theShape1, theShape2);
+ if (!BO.IsDone()) {
+ StdFail_NotDone::Raise("Fuse operation can not be performed on the given shapes");
+ }
+ aShape = BO.Shape();
+ if (isFaces)
+ aShape = makeCompoundShellFromFaces(aShape);
+ }
+
+ // perform SECTION operation
+ else if (theType == BOOLEAN_SECTION) {
+ BRep_Builder B;
+ TopoDS_Compound C;
+ B.MakeCompound(C);
+
+ TopTools_ListOfShape listShape1, listShape2;
+ GEOMUtils::AddSimpleShapes(theShape1, listShape1);
+ GEOMUtils::AddSimpleShapes(theShape2, listShape2);
+
+ Standard_Boolean isCompound =
+ (listShape1.Extent() > 1 || listShape2.Extent() > 1);
+
+ TopTools_ListIteratorOfListOfShape itSub1 (listShape1);
+ for (; itSub1.More(); itSub1.Next()) {
+ TopoDS_Shape aValue1 = itSub1.Value();
+ TopTools_ListIteratorOfListOfShape itSub2 (listShape2);
+ for (; itSub2.More(); itSub2.Next()) {
+ TopoDS_Shape aValue2 = itSub2.Value();
+ BRepAlgoAPI_Section BO (aValue1, aValue2, Standard_False);
+ // Set approximation to have an attached 3D BSpline geometry to each edge,
+ // where analytic curve is not possible. Without this flag in some cases
+ // we obtain BSpline curve of degree 1 (C0), which is slowly
+ // processed by some algorithms (Partition for example).
+ BO.Approximation(Standard_True);
+ //modified by NIZNHY-PKV Tue Oct 18 14:34:16 2011f
+ BO.ComputePCurveOn1(Standard_True);
+ BO.ComputePCurveOn2(Standard_True);
+ //modified by NIZNHY-PKV Tue Oct 18 14:34:18 2011t
+
+ BO.Build();
+ if (!BO.IsDone()) {
+ StdFail_NotDone::Raise("Section operation can not be performed on the given shapes");
+ }
+ if (isCompound) {
+ TopoDS_Shape aStepResult = BO.Shape();
+
+ // check result of this step: if it is a compound (boolean operations
+ // always return a compound), we add all sub-shapes of it.
+ // This allows to avoid adding empty compounds,
+ // resulting from SECTION on two non-intersecting shapes.
+ if (aStepResult.ShapeType() == TopAbs_COMPOUND) {
+ TopoDS_Iterator aCompIter (aStepResult);
+ for (; aCompIter.More(); aCompIter.Next()) {
+ // add shape in a result
+ B.Add(C, aCompIter.Value());
+ }
+ }
+ else {
+ // add shape in a result
+ B.Add(C, aStepResult);
+ }
+ }
+ else
+ aShape = BO.Shape();
+ }
+ }
+
+ if (isCompound) {
+ // As GlueFaces has been improved to keep all kind of shapes
+ TopExp_Explorer anExp (C, TopAbs_VERTEX);
+ if (anExp.More())
+ aShape = GEOMImpl_GlueDriver::GlueFaces(C, Precision::Confusion(), Standard_True);
+ else
+ aShape = C;
+ }
+ }
+
+ // UNKNOWN operation
+ else {
+ }
+
+ if (aShape.IsNull()) return aShape;
+
+ // as boolean operations always produce compound, lets simplify it
+ // for the case, if it contains only one sub-shape
+ TopTools_ListOfShape listShapeRes;
+ GEOMUtils::AddSimpleShapes(aShape, listShapeRes);
+ if (listShapeRes.Extent() == 1) {
+ aShape = listShapeRes.First();
+ if (aShape.IsNull()) return aShape;
+ }
+
+ // 08.07.2008 skl for bug 19761 from Mantis
+ if ( !GEOMUtils::CheckShape(aShape, true) && !GEOMUtils::FixShapeTolerance(aShape) )
+ Standard_ConstructionError::Raise("Boolean operation aborted : non valid shape result");
+
+ return aShape;
+}
+
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
+
+bool GEOMImpl_BooleanDriver::
+GetCreationInformation(std::string& theOperationName,
+ std::vector<GEOM_Param>& theParams)
{
- Handle(GEOMImpl_BooleanDriver) _anOtherObject;
+ if (Label().IsNull()) return 0;
+ Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
+
+ GEOMImpl_IBoolean aCI (function);
+ Standard_Integer aType = function->GetType();
+ Standard_Boolean isCheckSelfInte = aCI.GetCheckSelfIntersection();
- if (!AnObject.IsNull()) {
- if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_BooleanDriver))) {
- _anOtherObject = Handle(GEOMImpl_BooleanDriver)((Handle(GEOMImpl_BooleanDriver)&)AnObject);
- }
+ switch ( aType ) {
+ case BOOLEAN_COMMON:
+ theOperationName = "COMMON";
+ AddParam( theParams, "Object 1", aCI.GetShape1() );
+ AddParam( theParams, "Object 2", aCI.GetShape2() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ break;
+ case BOOLEAN_CUT:
+ theOperationName = "CUT";
+ AddParam( theParams, "Main Object", aCI.GetShape1() );
+ AddParam( theParams, "Tool Object", aCI.GetShape2() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ break;
+ case BOOLEAN_FUSE:
+ theOperationName = "FUSE";
+ AddParam( theParams, "Object 1", aCI.GetShape1() );
+ AddParam( theParams, "Object 2", aCI.GetShape2() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ AddParam( theParams, "Remove extra edges", aCI.GetRmExtraEdges() );
+ break;
+ case BOOLEAN_SECTION:
+ theOperationName = "SECTION";
+ AddParam( theParams, "Object 1", aCI.GetShape1() );
+ AddParam( theParams, "Object 2", aCI.GetShape2() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ break;
+ case BOOLEAN_COMMON_LIST:
+ theOperationName = "COMMON";
+ AddParam( theParams, "Selected objects", aCI.GetShapes() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ break;
+ case BOOLEAN_FUSE_LIST:
+ theOperationName = "FUSE";
+ AddParam( theParams, "Selected objects", aCI.GetShapes() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ AddParam( theParams, "Remove extra edges", aCI.GetRmExtraEdges() );
+ break;
+ case BOOLEAN_CUT_LIST:
+ theOperationName = "CUT";
+ AddParam( theParams, "Main Object", aCI.GetShape1() );
+ AddParam( theParams, "Tool Objects", aCI.GetShapes() );
+ AddParam( theParams, "Check self-intersections", isCheckSelfInte );
+ break;
+ default:
+ return false;
}
- return _anOtherObject ;
+ return true;
}
+
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_BooleanDriver,GEOM_BaseDriver);
