[Sidefx-houdini-list] sampling mesh attributes at specific uv

Simon Barrick simon at primalpictures.com
Tue Dec 1 05:04:02 EST 2009


Anyone interested in interpolating attributes from arbitrary polys should check this thread out

http://forums.odforce.net/index.php?showtopic=8877&st=12

page 2 is the 2d stuff, then it turns into a deformer situation.

Si 


-----Original Message-----
From: sidefx-houdini-list-bounces at sidefx.com on behalf of Rob Pieke
Sent: Tue 01/12/2009 09:40
To: sidefx-houdini-list at sidefx.com
Subject: Re: [Sidefx-houdini-list] sampling mesh attributes at specific uv
 
> I think the answer is that primuv works on the primitives uvs and not
> the overall texture uvs (that's why you always have to provide the
> prim number as well - which you are able to query with xyzdist(),
> pointdist() etc).

FWIW, We were recently toying around with Houdini, trying to mix xyzdist with primuv, and had very little success. The info out of xyzdist looked pretty reasonable (certainly the primitive number was spot-on), but we got really strange results from primuv when querying for arbitrary surface attributes. 

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