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Need create CATScript to extract colored surface or as per negative and positive surf


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Determining Core & Cavity thru Catia Draft Analysis

In Catia draft analysis, how does it determine whether a certain surface on the part belongs to Core side Vs Cavity side.

What CATPart attributes/IGES file properties does Catia use to determine it. Is it the Surface Normal Vector? If so, How can I read this value?

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