cwalrus Posted October 2, 2015 Share Posted October 2, 2015 Hi people, I have a particle sim, a mantra node with "enable motion blur" selected - and on the Object node that is the source for the grains, I have "Geometry Velocity Blur" checked. (But this seems intuitively wrong...) Anyway, no motion blur. What am I not doing? THanks! Quote Link to comment Share on other sites More sharing options...
bluciensky Posted October 2, 2015 Share Posted October 2, 2015 You need to have the Geometry velocity blur checked, on the object node that has the sim(result), not the source. Is that what you are already doing? Does your particle have the velocity attribute for sure? Quote Link to comment Share on other sites More sharing options...
cwalrus Posted October 2, 2015 Author Share Posted October 2, 2015 I did check Geo Velocity on the sim (result) but I don't know how to tell if my particle has the velocity attribute... That kinda stumps me. Of course it has one, right? But I guess I need to assign one somehow? Thanks btw Quote Link to comment Share on other sites More sharing options...
bluciensky Posted October 2, 2015 Share Posted October 2, 2015 (edited) If you didn't modify anything, it should have it. If you middle mouse click the SOP that you are rendering, it shows you what attributes the points have. Do you want to post the hipfile? or test by multiplying the velocity attribute by 100 or something, to make sure if it is actually working or not. Edited October 2, 2015 by bluciensky Quote Link to comment Share on other sites More sharing options...
cwalrus Posted October 2, 2015 Author Share Posted October 2, 2015 Holy batpee that would be awesome - here is the file (ps i could not find the attributes for the points anywhere) SandBlobsFall.hipnc.zip Quote Link to comment Share on other sites More sharing options...
bluciensky Posted October 2, 2015 Share Posted October 2, 2015 You had the Geometry velocity blur checked on your Source geo(sphere_object1), not on the sim. Check the Geo vel blur on 'grain_particles'. 1 Quote Link to comment Share on other sites More sharing options...
cwalrus Posted October 2, 2015 Author Share Posted October 2, 2015 Dude thanks so much for that! Quote Link to comment Share on other sites More sharing options...
bluciensky Posted October 2, 2015 Share Posted October 2, 2015 your welcome! Quote Link to comment Share on other sites More sharing options...
cwalrus Posted October 7, 2015 Author Share Posted October 7, 2015 (edited) Hey senor Bluciensky Now I'm trying to get my particles to render with motion blur - just plain old particles, not Grains. I have motion blur checked on the Mantra Node, but I guess I need to do something else in the AutoDopNetwork? ( I don't have source geometry - they are just emitting from a point) thanks anyone including Blue EDIT* Oooops i figureed it out - ! There was a sneaky "SourcParticle" node hanging off the right of my screen, with the optoin to choose "Geometry Velocity Blur" Thanks anyway! Edited October 7, 2015 by cwalrus Quote Link to comment Share on other sites More sharing options...
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