-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// 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
#include <GEOMUtils.hxx>
#include <BRepOffsetAPI_MakeOffsetShape.hxx>
+#include <BRepOffsetAPI_MakeThickSolid.hxx>
#include <TopoDS_Shape.hxx>
#include <TopAbs.hxx>
+#include <TopExp.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <Precision.hxx>
#include <Standard_ConstructionError.hxx>
//function : Execute
//purpose :
//=======================================================================
-Standard_Integer GEOMImpl_OffsetDriver::Execute(TFunction_Logbook& log) const
+Standard_Integer GEOMImpl_OffsetDriver::Execute(Handle(TFunction_Logbook)& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
Standard_Real anOffset = aCI.GetValue();
+ Standard_Boolean isInside = aCI.GetParam();
Standard_Real aTol = Precision::Confusion();
+ if (isInside)
+ anOffset = -anOffset;
+
if (Abs(anOffset) < aTol) {
TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
aMsg += TCollection_AsciiString(aTol);
StdFail_NotDone::Raise(aMsg.ToCString());
}
- if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
- BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
- aCI.GetValue(),
- aTol);
- if (MO.IsDone()) {
+ if ( aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY )
+ {
+ BRepOffsetAPI_MakeOffsetShape MO;
+ BRepOffset_Mode aMode = BRepOffset_Skin;
+ Standard_Boolean anIntersection = Standard_False, aSelfInter = Standard_False;
+ MO.PerformByJoin( aShapeBase,
+ aCI.GetValue(),
+ aTol,
+ aMode,
+ anIntersection,
+ aSelfInter,
+ aCI.GetJoinByPipes() ? GeomAbs_Arc : GeomAbs_Intersection );
+
+ if ( MO.IsDone() ) {
aShape = MO.Shape();
if ( !GEOMUtils::CheckShape(aShape, true) && !GEOMUtils::FixShapeTolerance(aShape) )
Standard_ConstructionError::Raise("Boolean operation aborted : non valid shape result");
}
else if (aType == OFFSET_THICKENING || aType == OFFSET_THICKENING_COPY)
{
- BRepClass3d_SolidClassifier aClassifier = BRepClass3d_SolidClassifier(aShapeBase);
- aClassifier.PerformInfinitePoint(Precision::Confusion());
- if (aClassifier.State()==TopAbs_IN)
- {
- // If the generated pipe faces normals are oriented towards the inside, the offset is negative
- // so that the thickening is still towards outside
- anOffset=-anOffset;
- }
-
- BRepOffset_MakeOffset myOffsetShape(aShapeBase, anOffset, aTol, BRepOffset_Skin,
- Standard_False, Standard_False, GeomAbs_Intersection, Standard_True);
-
- if (!myOffsetShape.IsDone())
- {
- StdFail_NotDone::Raise("Thickening construction failed");
- }
- aShape = myOffsetShape.Shape();
-
- // Control the solid orientation. This is mostly done to fix a bug in case of extrusion
- // of a circle. The built solid is then badly oriented
- BRepClass3d_SolidClassifier anotherClassifier = BRepClass3d_SolidClassifier(aShape);
- anotherClassifier.PerformInfinitePoint(Precision::Confusion());
- if (anotherClassifier.State()==TopAbs_IN)
- {
- aShape.Reverse();
+ const TopAbs_ShapeEnum aType = aShapeBase.ShapeType();
+
+ if (aType == TopAbs_FACE || aType == TopAbs_SHELL) {
+ // Create a thick solid.
+ BRepClass3d_SolidClassifier aClassifier(aShapeBase);
+ aClassifier.PerformInfinitePoint(Precision::Confusion());
+ if (aClassifier.State()==TopAbs_IN)
+ {
+ // If the generated pipe faces normals are oriented towards the inside, the offset is negative
+ // so that the thickening is still towards outside
+ anOffset=-anOffset;
+ }
+
+ BRepOffset_MakeOffset myOffsetShape(aShapeBase, anOffset, aTol, BRepOffset_Skin,
+ Standard_False, Standard_False, GeomAbs_Intersection, Standard_True);
+
+ if (!myOffsetShape.IsDone())
+ {
+ StdFail_NotDone::Raise("Thickening construction failed");
+ }
+ aShape = myOffsetShape.Shape();
+
+ // Control the solid orientation. This is mostly done to fix a bug in case of extrusion
+ // of a circle. The built solid is then badly oriented
+ BRepClass3d_SolidClassifier anotherClassifier(aShape);
+ anotherClassifier.PerformInfinitePoint(Precision::Confusion());
+ if (anotherClassifier.State()==TopAbs_IN)
+ {
+ aShape.Reverse();
+ }
+ } else if (aType == TopAbs_SOLID) {
+ // Create a hollowed solid.
+ Handle(TColStd_HArray1OfInteger) aFacesIDs = aCI.GetFaceIDs();
+ TopTools_ListOfShape aFacesToRm;
+
+ if (aFacesIDs.IsNull()) {
+ return 0;
+ }
+
+ TopTools_IndexedMapOfShape anIndices;
+
+ TopExp::MapShapes(aShapeBase, anIndices);
+
+ Standard_Integer aNbShapes = anIndices.Extent();
+ Standard_Integer i;
+
+ for (i = aFacesIDs->Lower(); i <= aFacesIDs->Upper(); ++i) {
+ const Standard_Integer anIndex = aFacesIDs->Value(i);
+
+ if (anIndex < 1 || anIndex > aNbShapes) {
+ // Invalid index.
+ return 0;
+ }
+
+ const TopoDS_Shape &aFace = anIndices.FindKey(anIndex);
+
+ if (aFace.ShapeType() != TopAbs_FACE) {
+ // Shape by index is not a face.
+ return 0;
+ }
+
+ aFacesToRm.Append(aFace);
+ }
+
+ // Create a hollowed solid.
+ BRepOffsetAPI_MakeThickSolid aMkSolid
+ (aShapeBase, aFacesToRm, anOffset, aTol, BRepOffset_Skin,
+ Standard_False, Standard_False, GeomAbs_Intersection);
+
+ if (aMkSolid.IsDone()) {
+ aShape = aMkSolid.Shape();
+ }
}
}
aFunction->SetValue(aShape);
- log.SetTouched(Label());
+ log->SetTouched(Label());
return 1;
}
break;
case OFFSET_THICKENING:
case OFFSET_THICKENING_COPY:
- theOperationName = "MakeThickening";
+ theOperationName = "THICKNESS";
AddParam( theParams, "Object", aCI.GetShape() );
- AddParam( theParams, "Offset", aCI.GetValue() );
+ AddParam( theParams, "Offset", aCI.GetParam() ? -aCI.GetValue() : aCI.GetValue() );
+ {
+ Handle(TColStd_HArray1OfInteger) aFacesIDs = aCI.GetFaceIDs();
+
+ if (aFacesIDs.IsNull() == Standard_False) {
+ AddParam(theParams, "Faces IDs", aFacesIDs);
+ }
+ }
break;
default:
return false;
return true;
}
-IMPLEMENT_STANDARD_HANDLE (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
