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GU_Detail::normal and the second input.

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creates normals as you would expect.

the following doesn't work:

const GU_Detail *r_gdp;



I'm assuming this has something to do with r_gdp being a "copy" of

the gdp from the second input. Is there a way around this?

I could compute the normals with a facet before attaching it

to the second input, but I'd like to do the calculation in the

sop itself. This way I could insure that the user wasn't inputting "bad"


Many thanks


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I heard back from sidefx they told me that it's a bad idea to modify a const piece of geometry.

here's what they recommended instead:

UT_Vector3Array normals;


seems to do the trick


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