A displacement map is like a bumpmap on steroids *L* The big difference is that a displacement map actually MOVES vertices at rendertime, a bump map only creates the illusion of doing so.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.