sanostol Posted February 9, 2012 Share Posted February 9, 2012 i have fast rotation on instances and they don't want to render motion blur. the orientation attribute is animated. is it not supported or is it me Martin Quote Link to comment Share on other sites More sharing options...
rdg Posted February 9, 2012 Share Posted February 9, 2012 Hi Martin, Motion blur is thin ice for me. Do you render velocity motion blur? If not it might be an explanation as I assume object motion blur is only taking translations into account. If these instances are delayed load, this might be the explanation: http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=11503&highlight=delayed+load+velocity+motion+blur There;s not velocity motion blur for delayed load instances. What's odd is the sample delayed load featured in the HDK seems to support velocity blur. But this is already off topic. Cheers, Georg Quote Link to comment Share on other sites More sharing options...
symek Posted February 9, 2012 Share Posted February 9, 2012 i have fast rotation on instances and they don't want to render motion blur. the orientation attribute is animated. is it not supported or is it me Martin Hey Martin, Orient attribute in instancing is handled by soho, not Mantra, and it's represented as a standard object transformation inside IFD, thus Xform time samples and all standard motion blur setting apply here. I think there might be a problem if you mix velocity with orient==xform setup. Quote Link to comment Share on other sites More sharing options...
Macha Posted February 9, 2012 Share Posted February 9, 2012 If you compute sub-frame geometry it should work. Quote Link to comment Share on other sites More sharing options...
sanostol Posted February 10, 2012 Author Share Posted February 10, 2012 Thanks guys, it works now, it seems that mblur needs rot[quaternion] and not orient[quaternion] was not aware about the difference Quote Link to comment Share on other sites More sharing options...
Sifis Posted April 16, 2013 Share Posted April 16, 2013 Thanks guys, it works now, it seems that mblur needs rot[quaternion] and not orient[quaternion] was not aware about the difference Hmm, I have a dop import sop set to "create points to represent Objects" and this brings the orientation as "orient" and not "rot" as you said. How do I convert orient to rot? I tried to just pipe the float4 one to one in a vop sop but seems it doesn't translate correctly. Any hip would be much appreciated. Quote Link to comment Share on other sites More sharing options...
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