3] I have created an animation (Hurrah!) and when I look at each of the individual frames, they look just as I thought they might. However, when I animate them, anywhere I have appl ied the "roughness" parameter, surfaces look animated...wit h lots of "cr awling " effect on them. What gives?
Roughness should NOT be used on objects that will be animated. (Unless of course, the "crawley" effect is what you're after). This is caused by a bug in the roughness algorithm. One of the main work-arounds suggested, is by using a very small or fine bump-map. Another work- around is to create a DPaint (or for that matter ANY IFF) multi-gray shaded screen and apply it as an altitude map.
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