Playing with normals

Introduction to Maya - Modeling Fundamentals Vol 1

This course will look at the fundamentals of modeling in Maya with an emphasis on creating good topology. We'll look at what makes a good model in Maya and why objects are modeled in the way they are.

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# 1 27-04-2006 , 01:53 AM

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Join Date: May 2004

Location: Utah, USA

Posts: 369

Question:

Under what circumstances might some of the normals on a poly model become reversed?

I've read discussions about fixing normals that get reversed and I don't understand. It seams that for some people, a few normals here and there are becoming reversed. Not the whole model, only some of the normals. I've never had this happen and I don't understand how it could happen. I understand about reversing ALL normals to face either in or out but the idea of random normals flipping puzzles me. Can anyone explain some reason's why this might happen?

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# 2 30-04-2006 , 07:58 PM

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Join Date: Sep 2002

Location: Chicagoland USA

Posts: 719

this problem is actually common when trying to work with poser exports. sometimes the file doesnt create enough data for the normals to translate it. I always found the best fix is to export the model only in another format like .dxf and reimport it. or try manually assigning normal directions.

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