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Heal invalid shape after scaling, because different scaling along axes can produce invalid shapes in some cases.

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This commit is contained in:
jfa 2008-11-21 07:50:43 +00:00
parent 1a9f6f8244
commit bb7ae5167e
1 changed files with 18 additions and 2 deletions
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20
src/GEOMImpl/GEOMImpl_ScaleDriver.cxx
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@ -25,10 +25,15 @@
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>
#include <ShapeFix_Shape.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
#include <BRep_Tool.hxx>
#include <BRepAlgo.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
@ -168,8 +173,19 @@ Standard_Integer GEOMImpl_ScaleDriver::Execute(TFunction_Logbook& log) const
if (aShape.IsNull()) return 0;
if (!BRepAlgo::IsValid(aShape))
Standard_ConstructionError::Raise("Scaling aborted : non valid shape result");
BRepCheck_Analyzer ana (aShape, Standard_False);
if (!ana.IsValid()) {
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(aShape,Precision::Confusion(),Precision::Confusion());
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
aSfs->SetPrecision(Precision::Confusion());
aSfs->Perform();
aShape = aSfs->Shape();
ana.Init(aShape, Standard_False);
if (!ana.IsValid())
Standard_ConstructionError::Raise("Scaling aborted : algorithm has produced an invalid shape result");
}
aFunction->SetValue(aShape);