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sample (u,v) points form IGES file

davood ansari's picture
Forums: 

I am very new to OCC and also very much lost.
What I need is to be able to access individual surfaces in an IGES file
and to be able to sample point on their surface.

I used some of the codes on the forum to cook the following chunk of code:

IGESControl_Reader::IGESControl_Reader aReader;
IFSelect_ReturnStatus stat=aReader.ReadFile("intake.iges");
Handle(TColStd_HSequenceOfTransient) aListInit=aReader.GiveList("iges-faces");

std::cout Length() ;

// transfert all the iges entity
TopTools_SequenceOfShape listOfShapes;
for (int j=1; jLength(); j++)
{
Handle(IGESData_IGESEntity) igesEntity=Handle(IGESData_IGESEntity)::DownCast(aListInit->Value(j));
std::cout >>>>>>>>>>>>>>. "

Handle(TCollection_HAsciiString) aLabel;
if (igesEntity->HasShortLabel())
{
aLabel=igesEntity->ShortLabel();
std::cout ShortLabel() ;
}

if (!igesEntity.IsNull())
{
aReader.ClearShapes () ;
bool isTransfered=aReader.TransferEntity(igesEntity);
TopoDS_Shape aShape=aReader.OneShape();
}
}

can somebody tell me how to complete the code ?
Kindly advise
Davood

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