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

Pablo Giménez Pizarro pablogipi at gmail.com
Fri Jul 8 03:36:55 EDT 2011


Thanks a lot dan, great reference!
Best documentation a i have ever seen about copy sop and instancing. 

Enviado desde mi iPhone

El 8 Jul 2011, a las 01:50, Dan Wills <gdanzo at gmail.com> escribió:

> Hey Pablo, there's also a great reference for exactly what attributes do to
> copies/instances, here:
> 
> http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=6679
> 
> 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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