Normal Maps Reversed on half of model

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  02 February 2010
Normal Maps Reversed on half of model

So I'm having a strange, frustrating issue with normal maps. I'm modeling a human head, and I'm making it perfectly symmetrical so I can create the normal / diffuse / specular maps for one side of his head and copy that over to the other. All the normals are facing outwards in my model's geometry - but for some reason, the normal map gets inverted on the mirrored half of my character's face. See attached! Does anyone know how to fix this?

  02 February 2010
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