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Why does surflen return -1 on a NURBS grid?


magneto

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Hi,

 

I have a simple NURBS grid with 200x200 divisions and using the surflen expression on it returns -1. If I set the divisions to 120 or so, it works. Is this normal?

 

It's a terrain so I need higher divisions. But regardless of the resolution, it should return the correct length, right?

 

 

Thanks :)

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