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Recover Assembly hierarchy of a STEP/IGES file

Wünsch's picture

Dear Sirs,

I am new to OCC, an I am using the STEP IGES import functionality to load step and iges files.

My question:

How do I find the original names of the assemblies and parts and how do I recover the assembly hierarchy in the loaded model.

Is that a functionality that lacks in the open source version of OCC?

Thank You very much in advance,

Georg Wuensch.