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xsi5: How to mix normal maps with simple bump maps in xsi?

Posted: June 27, 2006
Fiery
Hello!
How to mix normal maps with simple bump maps in xsi?
For example I have a normal map with wrinkles and I want to mix it with a simple skin map to show the pores.
How can I do it?
Thank you.
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Fiery
Posted: September 01, 2006
3d artist gallery Andyba
Did You try using vector math?