Hi Cathy,
You can use the Hidden Line Removal Algorithm.
Have a look at the HLR Sample, or the classes HLRBRep_* HLRAlgo*
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Calculating projected area
Has anyone used Open Cascade to calculate the projected area of a shape. For instance create a box using BRepPrimAPI_MakeBox. Then define a plane that you want to find the projected area of the box on this plane. Is there a simple way to find the projected area on this plane that I am missing in my searching through the OCC documentation.
Cathy
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Is the sample you are referring to located at
CAS4.0/Samples/src/ISession2D/ISession2D_Shape.cxx where CAS4.0 is the root directory for the Open Cascade software?
Cathy