Hey guys...
So I have a scene with three polygon objects that I am applying displacement too.
They all have slightly different maps, but use the same mental ray displacement approx node.
When I render with the Spatial/Fine method and leave view dependant checked, all renders well. The problem is I animate a camera along the terrain, so I can't use view dependent because I get geometry "popping." The problem is when I untick "view dependant" (and adjust the length to a resonable number) 2 of the 3 items stop displacing appropriately. The initial item that I first applied displacement to still renders correctly, but item 2 and 3 don't displace like they should. They do in fact have some sort of displacement on them, but a much smoother version of what is actually there. If I turn "view dependant" back on, it works again.
As a side note they all do displace correctly if I switch to the regular parametric method of displacing, it just doesn't look as good as Spatial/Fine.
I tried giving the objects their own displacement node, and converting them to subD's, but it seems to have the same problem.
Any help?
Thanks,
Robert