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Mantis issue 0021251: Problem with normale of a face. Keep shape normales in a separate attribute, as they are not stored in NamedShape.

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jfa 2011-04-28 11:26:02 +00:00
parent 52744dc183
commit 8e9aa9b888
1 changed files with 26 additions and 2 deletions
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28
src/GEOM/GEOM_Function.cxx
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@ -60,12 +60,21 @@
#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
// This modification was introduced in frame of Mantis issue 0021251.
// This line allows to keep shape orientation together with the shape itself.
// Otherwise orientation can be lost in some cases.
#define KEEP_ORIENTATION_0021251
#define ARGUMENT_LABEL 1
#define RESULT_LABEL 2
#define DESCRIPTION_LABEL 3
#define HISTORY_LABEL 4
#define SUBSHAPES_LABEL 5 // 0020756: GetGroups
#define NAMING_LABEL 6 // 002020750: Naming during STEP import
#define NAMING_LABEL 6 // 0020750: Naming during STEP import
#ifdef KEEP_ORIENTATION_0021251
#define ORIENTATION_LABEL 7 // 0021251: TNaming_NamedShape doesn't store orientation
#endif
#define ARGUMENTS _label.FindChild((ARGUMENT_LABEL))
#define ARGUMENT(thePosition) _label.FindChild((ARGUMENT_LABEL)).FindChild((thePosition))
@ -221,6 +230,15 @@ TopoDS_Shape GEOM_Function::GetValue()
aShape = aNS->Get();
#ifdef KEEP_ORIENTATION_0021251
// 0021251: TNaming_NamedShape doesn't store orientation
TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
Handle(TDataStd_Integer) anInteger;
if (anOrientationLabel.FindAttribute(TDataStd_Integer::GetID(), anInteger)) {
aShape.Orientation((TopAbs_Orientation)anInteger->Get());
}
#endif
_isDone = true;
return aShape;
}
@ -234,10 +252,16 @@ void GEOM_Function::SetValue(TopoDS_Shape& theShape)
{
_isDone = false;
TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
TNaming_Builder aBuilder(aResultLabel);
TNaming_Builder aBuilder (aResultLabel);
aBuilder.Generated(theShape);
#ifdef KEEP_ORIENTATION_0021251
// 0021251: TNaming_NamedShape doesn't store orientation
TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
TDataStd_Integer::Set(anOrientationLabel, (int)theShape.Orientation());
#endif
// synchronisation between main shape and its sub-shapes
TDF_Label aLabel = GetOwnerEntry();
if (aLabel.IsRoot()) return;