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I've found it's only really reliable on triangulated geometry.
I believe that is because of the barycentric coordinates used to interpolate the values.
I even had problems on a regular mesh grid until I triangulated it first.
Subject: Re: [Sidefx-houdini-list] ray sop fetching attribute values thatdont exist.
combiner?You may be averaging multiple samples to get 0.
results. ie. 5 samples and "longest ray".
> it returns values that are not there to be returned.
> it hits and the dist value.