-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014 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
+// 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 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, 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.
+// 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
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// 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/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-#include <Standard_Stream.hxx>
#include <GEOMImpl_PartitionDriver.hxx>
#include <GEOMImpl_IPartition.hxx>
#include <GEOMImpl_Types.hxx>
-
+#include <GEOMUtils.hxx>
#include <GEOM_Object.hxx>
#include <GEOM_Function.hxx>
-
-//#include <NMTAlgo_Splitter1.hxx>
#include <GEOMAlgo_Splitter.hxx>
-#include <TopTools_IndexedMapOfShape.hxx>
#include <TDataStd_IntegerArray.hxx>
-
-#include <BRep_Tool.hxx>
-#include <BRepAlgo.hxx>
+#include <TNaming_CopyShape.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
-#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
-#include <TopoDS_Vertex.hxx>
-#include <TopoDS_Wire.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopTools_MapOfShape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopTools_DataMapOfShapeShape.hxx>
-#include <ShapeFix_ShapeTolerance.hxx>
-#include <ShapeFix_Shape.hxx>
-
-#include <TColStd_ListIteratorOfListOfInteger.hxx>
-#include <TColStd_ListOfInteger.hxx>
+#include <TColStd_IndexedDataMapOfTransientTransient.hxx>
#include <Standard_NullObject.hxx>
-#include <Precision.hxx>
-#include <gp_Pnt.hxx>
+#include <StdFail_NotDone.hxx>
+#include <BOPAlgo_CheckerSI.hxx>
+#include <BOPCol_IndexedDataMapOfShapeListOfShape.hxx>
+#include <BOPCol_ListOfShape.hxx>
+#include <BOPDS_DS.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
//=======================================================================
//function : GetID
}
}
+static void CheckSelfIntersection(const TopoDS_Shape &theShape)
+{
+ BOPAlgo_CheckerSI aCSI; // checker of self-interferences
+ BOPCol_ListOfShape aList;
+
+ aList.Append(theShape);
+ aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
+ aCSI.SetArguments(aList);
+ aCSI.Perform();
+
+ if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0) {
+ StdFail_NotDone::Raise("Partition operation will not be performed, because argument shape is self-intersected");
+ }
+}
+
//=======================================================================
//function : Execute
//purpose :
GEOMImpl_IPartition aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
+ const Standard_Boolean isCheckSelfInte = aCI.GetCheckSelfIntersection();
TopoDS_Shape aShape;
- //sklNMTAlgo_Splitter1 PS;
GEOMAlgo_Splitter PS;
+ TopTools_DataMapOfShapeShape aCopyMap;
+ TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
+
if (aType == PARTITION_PARTITION || aType == PARTITION_NO_SELF_INTERSECTIONS)
{
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
if (aShape_i.IsNull()) {
Standard_NullObject::Raise("In Partition a shape is null");
}
+
+ // Check self-intersection.
+ if (isCheckSelfInte && aType == PARTITION_NO_SELF_INTERSECTIONS) {
+ CheckSelfIntersection(aShape_i);
+ }
+
+ TopoDS_Shape aShape_i_copy;
+ TNaming_CopyShape::CopyTool(aShape_i, aMapTShapes, aShape_i_copy);
+
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aShape_i_inds;
+ TopTools_IndexedMapOfShape aShape_i_copy_inds;
+ TopExp::MapShapes(aShape_i, aShape_i_inds);
+ TopExp::MapShapes(aShape_i_copy, aShape_i_copy_inds);
+ Standard_Integer nbInds = aShape_i_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aShape_i_inds.FindKey(ie), aShape_i_copy_inds.FindKey(ie));
+ }
//
TopTools_ListOfShape aSimpleShapes;
- PrepareShapes(aShape_i, aType, aSimpleShapes);
+ //PrepareShapes(aShape_i, aType, aSimpleShapes);
+ PrepareShapes(aShape_i_copy, aType, aSimpleShapes);
TopTools_ListIteratorOfListOfShape aSimpleIter (aSimpleShapes);
for (; aSimpleIter.More(); aSimpleIter.Next()) {
const TopoDS_Shape& aSimpleSh = aSimpleIter.Value();
if (ShapesMap.Add(aSimpleSh)) {
- PS.AddShape(aSimpleSh);
+ PS.AddArgument(aSimpleSh);
//skl if (DoRemoveWebs) {
//skl if (aMaterials->Length() >= ind)
//skl PS.SetMaterial(aSimpleSh, aMaterials->Value(ind));
if (aShape_i.IsNull()) {
Standard_NullObject::Raise("In Partition a tool shape is null");
}
+
+ // Check self-intersection.
+ if (isCheckSelfInte && aType == PARTITION_NO_SELF_INTERSECTIONS) {
+ CheckSelfIntersection(aShape_i);
+ }
+
+ //
+ //BRepBuilderAPI_Copy aCopyTool (aShape_i);
+ TopoDS_Shape aShape_i_copy;
+ TNaming_CopyShape::CopyTool(aShape_i, aMapTShapes, aShape_i_copy);
+ //if (aCopyTool.IsDone())
+ // aShape_i_copy = aCopyTool.Shape();
+ //else
+ // Standard_NullObject::Raise("Bad shape detected");
+ //
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aShape_i_inds;
+ TopTools_IndexedMapOfShape aShape_i_copy_inds;
+ TopExp::MapShapes(aShape_i, aShape_i_inds);
+ TopExp::MapShapes(aShape_i_copy, aShape_i_copy_inds);
+ Standard_Integer nbInds = aShape_i_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aShape_i_inds.FindKey(ie), aShape_i_copy_inds.FindKey(ie));
+ }
//
TopTools_ListOfShape aSimpleShapes;
- PrepareShapes(aShape_i, aType, aSimpleShapes);
+ //PrepareShapes(aShape_i, aType, aSimpleShapes);
+ PrepareShapes(aShape_i_copy, aType, aSimpleShapes);
TopTools_ListIteratorOfListOfShape aSimpleIter (aSimpleShapes);
for (; aSimpleIter.More(); aSimpleIter.Next()) {
const TopoDS_Shape& aSimpleSh = aSimpleIter.Value();
Standard_NullObject::Raise("In Partition a Keep Inside shape is null");
}
//
+ //BRepBuilderAPI_Copy aCopyTool (aShape_i);
+ TopoDS_Shape aShape_i_copy;
+ TNaming_CopyShape::CopyTool(aShape_i, aMapTShapes, aShape_i_copy);
+ //if (aCopyTool.IsDone())
+ // aShape_i_copy = aCopyTool.Shape();
+ //else
+ // Standard_NullObject::Raise("Bad shape detected");
+ //
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aShape_i_inds;
+ TopTools_IndexedMapOfShape aShape_i_copy_inds;
+ TopExp::MapShapes(aShape_i, aShape_i_inds);
+ TopExp::MapShapes(aShape_i_copy, aShape_i_copy_inds);
+ Standard_Integer nbInds = aShape_i_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aShape_i_inds.FindKey(ie), aShape_i_copy_inds.FindKey(ie));
+ }
+ //
TopTools_ListOfShape aSimpleShapes;
- PrepareShapes(aShape_i, aType, aSimpleShapes);
+ //PrepareShapes(aShape_i, aType, aSimpleShapes);
+ PrepareShapes(aShape_i_copy, aType, aSimpleShapes);
TopTools_ListIteratorOfListOfShape aSimpleIter (aSimpleShapes);
for (; aSimpleIter.More(); aSimpleIter.Next()) {
const TopoDS_Shape& aSimpleSh = aSimpleIter.Value();
if (!ToolsMap.Contains(aSimpleSh) && ShapesMap.Add(aSimpleSh))
- PS.AddShape(aSimpleSh);
+ PS.AddArgument(aSimpleSh);
}
}
Standard_NullObject::Raise("In Partition a Remove Inside shape is null");
}
//
+ //BRepBuilderAPI_Copy aCopyTool (aShape_i);
+ TopoDS_Shape aShape_i_copy;
+ TNaming_CopyShape::CopyTool(aShape_i, aMapTShapes, aShape_i_copy);
+ //if (aCopyTool.IsDone())
+ // aShape_i_copy = aCopyTool.Shape();
+ //else
+ // Standard_NullObject::Raise("Bad shape detected");
+ //
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aShape_i_inds;
+ TopTools_IndexedMapOfShape aShape_i_copy_inds;
+ TopExp::MapShapes(aShape_i, aShape_i_inds);
+ TopExp::MapShapes(aShape_i_copy, aShape_i_copy_inds);
+ Standard_Integer nbInds = aShape_i_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aShape_i_inds.FindKey(ie), aShape_i_copy_inds.FindKey(ie));
+ }
+ //
TopTools_ListOfShape aSimpleShapes;
- PrepareShapes(aShape_i, aType, aSimpleShapes);
+ //PrepareShapes(aShape_i, aType, aSimpleShapes);
+ PrepareShapes(aShape_i_copy, aType, aSimpleShapes);
TopTools_ListIteratorOfListOfShape aSimpleIter (aSimpleShapes);
for (; aSimpleIter.More(); aSimpleIter.Next()) {
const TopoDS_Shape& aSimpleSh = aSimpleIter.Value();
if (!ToolsMap.Contains(aSimpleSh) && ShapesMap.Add(aSimpleSh))
- PS.AddShape(aSimpleSh);
+ PS.AddArgument(aSimpleSh);
}
}
PS.SetLimitMode(aCI.GetKeepNonlimitShapes());
- PS.SetLimit( (TopAbs_ShapeEnum)aCI.GetLimit() );
+ PS.SetLimit((TopAbs_ShapeEnum)aCI.GetLimit());
PS.Perform();
//skl PS.Compute();
Standard_NullObject::Raise("In Half Partition a shape or a plane is null");
}
+ TopoDS_Shape aShapeArg_copy;
+ TopoDS_Shape aPlaneArg_copy;
+ {
+ TNaming_CopyShape::CopyTool(aShapeArg, aMapTShapes, aShapeArg_copy);
+ //BRepBuilderAPI_Copy aCopyTool (aShapeArg);
+ //if (aCopyTool.IsDone())
+ // aShapeArg_copy = aCopyTool.Shape();
+ //else
+ // Standard_NullObject::Raise("Bad shape detected");
+ //
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aShapeArg_inds;
+ TopTools_IndexedMapOfShape aShapeArg_copy_inds;
+ TopExp::MapShapes(aShapeArg, aShapeArg_inds);
+ TopExp::MapShapes(aShapeArg_copy, aShapeArg_copy_inds);
+ Standard_Integer nbInds = aShapeArg_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aShapeArg_inds.FindKey(ie), aShapeArg_copy_inds.FindKey(ie));
+ }
+ }
+ {
+ TNaming_CopyShape::CopyTool(aPlaneArg, aMapTShapes, aPlaneArg_copy);
+ //BRepBuilderAPI_Copy aCopyTool (aPlaneArg);
+ //if (aCopyTool.IsDone())
+ // aPlaneArg_copy = aCopyTool.Shape();
+ //else
+ // Standard_NullObject::Raise("Bad shape detected");
+ //
+ // fill aCopyMap for history
+ TopTools_IndexedMapOfShape aPlaneArg_inds;
+ TopTools_IndexedMapOfShape aPlaneArg_copy_inds;
+ TopExp::MapShapes(aPlaneArg, aPlaneArg_inds);
+ TopExp::MapShapes(aPlaneArg_copy, aPlaneArg_copy_inds);
+ Standard_Integer nbInds = aPlaneArg_inds.Extent();
+ for (Standard_Integer ie = 1; ie <= nbInds; ie++) {
+ aCopyMap.Bind(aPlaneArg_inds.FindKey(ie), aPlaneArg_copy_inds.FindKey(ie));
+ }
+ }
+
// add object shapes that are in ListShapes;
- PS.AddShape(aShapeArg);
+ TopTools_ListOfShape aSimpleShapes;
+ TopTools_MapOfShape aShapesMap;
+
+ PrepareShapes(aShapeArg_copy, aType, aSimpleShapes);
+
+ TopTools_ListIteratorOfListOfShape aSimpleIter (aSimpleShapes);
+
+ for (; aSimpleIter.More(); aSimpleIter.Next()) {
+ const TopoDS_Shape& aSimpleSh = aSimpleIter.Value();
+
+ if (aShapesMap.Add(aSimpleSh)) {
+ PS.AddArgument(aSimpleSh);
+ }
+ }
// add tool shapes that are in ListTools and not in ListShapes;
- PS.AddTool(aPlaneArg);
+ PS.AddTool(aPlaneArg_copy);
+ //PS.AddTool(aPlaneArg);
//skl PS.Compute();
PS.Perform();
}
aShape = PS.Shape();
- if (aShape.IsNull()) return 0;
-
- if (!BRepAlgo::IsValid(aShape)) {
- // 08.07.2008 added by skl during fixing bug 19761 from Mantis
- ShapeFix_ShapeTolerance aSFT;
- aSFT.LimitTolerance(aShape, Precision::Confusion(),
- Precision::Confusion(), TopAbs_SHAPE);
- Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
- aSfs->Perform();
- aShape = aSfs->Shape();
- if (!BRepAlgo::IsValid(aShape))
- Standard_ConstructionError::Raise("Partition aborted : non valid shape result");
+ if (aShape.IsNull()) {
+ // Mantis issue 22009
+ if (PS.ErrorStatus() == 100 && PS.Tools().Extent() == 0 && PS.Arguments().Extent() == 1)
+ aShape = PS.Arguments().First();
+ else
+ return 0;
}
+ //Alternative case to check not valid partition IPAL21418
+ TopoDS_Iterator It (aShape, Standard_True, Standard_True);
+ int nbSubshapes = 0;
+ for (; It.More(); It.Next())
+ nbSubshapes++;
+ if (!nbSubshapes)
+ Standard_ConstructionError::Raise("Partition aborted : non valid shape result");
+ //end of IPAL21418
+
+ if ( !GEOMUtils::CheckShape(aShape, true) && !GEOMUtils::FixShapeTolerance(aShape) )
+ Standard_ConstructionError::Raise("Partition aborted : non valid shape result");
+
aFunction->SetValue(aShape);
// Fill history to be used by GetInPlace functionality
TopExp::MapShapes(aShape, aResIndices);
// Map: source_shape/images of source_shape in Result
- const TopTools_IndexedDataMapOfShapeListOfShape& aMR = PS.ImagesResult();
+ const BOPCol_IndexedDataMapOfShapeListOfShape& aMR = PS.ImagesResult();
+ //const TopTools_IndexedDataMapOfShapeListOfShape& aMR = PS.ImagesResult();
// history for all argument shapes
+ // be sure to use aCopyMap
TDF_LabelSequence aLabelSeq;
aFunction->GetDependency(aLabelSeq);
Standard_Integer nbArg = aLabelSeq.Length();
for (Standard_Integer ie = 1; ie <= nbArgumentEntities; ie++) {
TopoDS_Shape anEntity = anArgumentIndices.FindKey(ie);
+ // be sure to use aCopyMap here
+ if (aCopyMap.IsBound(anEntity))
+ anEntity = aCopyMap.Find(anEntity);
+ //
if (!aMR.Contains(anEntity)) continue;
- const TopTools_ListOfShape& aModified = aMR.FindFromKey(anEntity);
+ const BOPCol_ListOfShape& aModified = aMR.FindFromKey(anEntity);
+ //const TopTools_ListOfShape& aModified = aMR.FindFromKey(anEntity);
Standard_Integer nbModified = aModified.Extent();
+ if (nbModified > 0) { // Mantis issue 0021182
+ int ih = 1;
+ BOPCol_ListIteratorOfListOfShape itM (aModified);
+ for (; itM.More() && nbModified > 0; itM.Next(), ++ih) {
+ if (!aResIndices.Contains(itM.Value())) {
+ nbModified = 0;
+ }
+ }
+ }
if (nbModified > 0) {
TDF_Label aWhatHistoryLabel = anArgumentHistoryLabel.FindChild(ie, Standard_True);
Handle(TDataStd_IntegerArray) anAttr =
TDataStd_IntegerArray::Set(aWhatHistoryLabel, 1, nbModified);
int ih = 1;
- TopTools_ListIteratorOfListOfShape itM (aModified);
+ BOPCol_ListIteratorOfListOfShape itM (aModified);
+ //TopTools_ListIteratorOfListOfShape itM (aModified);
for (; itM.More(); itM.Next(), ++ih) {
int id = aResIndices.FindIndex(itM.Value());
anAttr->SetValue(ih, id);
return 1;
}
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
-//=======================================================================
-//function : GEOMImpl_PartitionDriver_Type_
-//purpose :
-//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_PartitionDriver_Type_()
-{
-
- 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);
-
-
- static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
- static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PartitionDriver",
- sizeof(GEOMImpl_PartitionDriver),
- 1,
- (Standard_Address)_Ancestors,
- (Standard_Address)NULL);
-
- return _aType;
-}
-
-//=======================================================================
-//function : DownCast
-//purpose :
-//=======================================================================
-const Handle(GEOMImpl_PartitionDriver) Handle(GEOMImpl_PartitionDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
+bool GEOMImpl_PartitionDriver::
+GetCreationInformation(std::string& theOperationName,
+ std::vector<GEOM_Param>& theParams)
{
- Handle(GEOMImpl_PartitionDriver) _anOtherObject;
+ if (Label().IsNull()) return 0;
+ Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
+
+ GEOMImpl_IPartition aCI( function );
+ Standard_Integer aType = function->GetType();
+
+ theOperationName = "PARTITION";
+
+ switch ( aType ) {
+ case PARTITION_PARTITION:
+ case PARTITION_NO_SELF_INTERSECTIONS:
+ AddParam( theParams, "Objects", aCI.GetShapes() );
+ AddParam( theParams, "Tool objects", aCI.GetTools() );
+ {
+ Handle(TColStd_HSequenceOfTransient) objSeq = aCI.GetKeepIns();
+ if ( !objSeq.IsNull() && objSeq->Length() > 0 )
+ AddParam( theParams, "Objects to keep inside", objSeq );
+ objSeq = aCI.GetRemoveIns();
+ if ( !objSeq.IsNull() && objSeq->Length() > 0 )
+ AddParam( theParams, "Objects to remove inside", objSeq );
+ Handle(TColStd_HArray1OfInteger) intSeq = aCI.GetMaterials();
+ if ( !intSeq.IsNull() && intSeq->Length() > 0 )
+ AddParam( theParams, "Materials", aCI.GetMaterials() );
+ }
+ AddParam( theParams, "Resulting type", (TopAbs_ShapeEnum) aCI.GetLimit());
+ AddParam( theParams, "Keep shapes of lower type", aCI.GetKeepNonlimitShapes());
+ AddParam( theParams, "No object intersections", ( aType == PARTITION_NO_SELF_INTERSECTIONS ));
- if (!AnObject.IsNull()) {
- if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PartitionDriver))) {
- _anOtherObject = Handle(GEOMImpl_PartitionDriver)((Handle(GEOMImpl_PartitionDriver)&)AnObject);
- }
+ if (aType == PARTITION_NO_SELF_INTERSECTIONS) {
+ AddParam( theParams, "Check self-intersections", aCI.GetCheckSelfIntersection());
+ }
+ break;
+ case PARTITION_HALF:
+ AddParam( theParams, "Object", aCI.GetShape() );
+ AddParam( theParams, "Plane", aCI.GetPlane() );
+ break;
+ default:
+ return false;
}
-
- return _anOtherObject ;
+
+ return true;
}
+
+IMPLEMENT_STANDARD_HANDLE (GEOMImpl_PartitionDriver,GEOM_BaseDriver);
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_PartitionDriver,GEOM_BaseDriver);
