[Sidefx-houdini-list] copy to points of a bullet simulation weirdness
msbck0mp at gmail.com
Wed Aug 15 13:53:22 EDT 2018
I think you can use the Transformpieces SOP.
It's the easy way to transfer sim result with a low res geometry to a high res, but I could be wrong.
> On Aug 15, 2018, at 11:02 PM, François Duchesneau <houdini at trinix.ca> wrote:
> Hi Gerbrand,
> It may not be that but when you pack your object there are two options for the Pivot Location, Centroid and Origin. I think I once had to change that in order to fix the kind of issue you're having.
>> On 08/15/2018 09:46 AM, Gerbrand Nel wrote:
>> Hi guys
>> I ran into something that probably makes sense if you know what the f you are doing, but I didn't expect it to work like this, and it's ruining my shit.
>> I have the following following:
>> I do a bullet RBD sim, use dopimport to import the sim back into sop land.
>> now you have the option to import the points of the packed primitives, but when you copy objects to these points, there is an offset on the pivot of each object. If you un-check "transform using point orientation" the offset goes away, but you have now lost your orientation.
>> If I delete the pivot attribute, the points position is where it needs to be, but now the orientation doesn't line up to the simulation.
>> I'm doing this, because I want to sim with a low ress version of my geometry, and then copy the highress geo to the simmed points representing the packed primitives.
>> Can someone maybe point me in the right direction?
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