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Recent Forum Posts

icomposite doesn't keep image planes in .exr June 12, 2014, 3:49 p.m.

lokks like icomposite doesn't keep the extra image planes when processing exr frames.
is there a way to do that ?

Displace and normal maps from zbrush Sept. 9, 2013, 4:34 p.m.

hello everyone
I'm trying to setup a character coming from zbrush with displacement and normal maps.
I've generated the maps from subdiv level 3 in Zbrush (max subdiv is 6)

Displace works as expected but I'm having problems to get very fine details showing up.I use Auvs from Zbrush into a 8192*8192 pixels map.
I tried to crank up the dicing quality to 2 or 3 but I'm still missing details.

I generated a normal map with flipG and flipB on and tangent off as in PQ vimeo tutorial… but when applied it looks weird.
I dived into the MantraSurface node and the InvertNormal and checked the substract constant which was at .5 .5 .5 after that there is a multiply constant node with value of 1 1 -1.
I chqnged it to 1 1 1 and the normals “seems” ok.

so my questions are :
-are these values ok or am I still missing something?
-is there a way to have tangent space normals (I need to animate)?
-is adding displacement “and” normal map a good solution for more details?
-are there other tips for getting the same details in Houdini as in Zbrush

mixing keyframe and simulation with prefractured object June 20, 2013, 5:25 p.m.

this is a simplified scene that I hope explain the thing.
I'd like to have this kind of effect but without using the ball , only gravity starting from center and growing radially.
thanks in advance