[Sidefx-houdini-list] Fix copy stamp N and up rotations

Dan Wills gdanzo at gmail.com
Thu Jul 7 19:50:57 EDT 2011

Hey Pablo, there's also a great reference for exactly what attributes do to
copies/instances, here:


2011/7/7 Pablo Giménez <pablogipi at gmail.com>

> Hi all.
> When using copy stamp, if you provide a N and up attributes the operator
> calculates the rotations using that coordiante system as a reference.
> I am having some troubles with some geometry that at some point just jumps,
> it orientation flickers. I have tought that probably the problem is that
> the
> copy operator is doing an euler rotation rather than using quaternions.
> Not sure if somebody else have had the same problem before, but any advice
> about waht is the best/easy way to get the same rotations but usign
> quaternions would be gret.
> Thanks!
> --
> Un saludo
> Best Regards
> Pablo Giménez
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