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Type: Posts; User: Moetman

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    Soved - was my stupid tex coord calculations :P

    Soved - was my stupid tex coord calculations :P
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    Lookup texture coordinate issue

    Hi,

    I have a 4x4 float texture containing positions ranging from 0 ..10.
    I have a lookup float texture a 64x64x64 packed as a 2D texture 64x4096 containing some vectors in each texel.

    the...
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    Calculating the Normal of a pixel

    Can someone provide some insight into this problem? If I have a R,G,B value - How do I calculate the normal? Do I take the normalized value of the surrounding pixel values?

    Regards
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