Hi Sven I don't see any tickets for "quad light motion blur", so it's not a known issue.
If you could export an ass file and kick it, then it could be an Arnold bug. Except if there are a bunch of SItoA shaders in the scene... Stephen Arnold Renderer Support On Thu, Aug 10, 2023 at 2:47 PM Sven Constable <[email protected]> wrote: > Hi, > > > > anybody still here? :) > > > > Recently I was working on an old test scene again to compare arnold and > redshift (and even mr for a good amount of fun). Well, in that particular > scene arnold crashes when using motion blur. I nailed it down to settings > in the light shader (arnold quad light). > > The values in the light shader for camera visibilty as well as > transmission visibility are both zero by default. Maybe for a reason. Then > it renders but changing them to any other value will crash arnold when > using motion blur. Unfortunatly you would need transmission visibility for > correct reflections in the glass. > > Not sure if its an arnold or SItoA bug. I’m using SItoA 7.2.2.0. > > > > I worked around it using grids for the transmissive highlights and > switched off anything but the specular transmission for the grids. A bit > awkward... that’s what I would expect from mental ray, not arnold. :( > > Does anyone know if it’s a known bug, limitation or maybe something else? > > > > You can see the issue here (the glass model has a 360 rotation over 50 > frames) > > www.imagefront.de/tmp/testscene_armadillo_comparison.jpg > > > > Sven > > -- > You received this message because you are subscribed to the Google Groups > "Softimage Mailing List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/xsi_list/000801d9cbbb%242138be30%2463aa3a90%24%40imagefront.de > <https://groups.google.com/d/msgid/xsi_list/000801d9cbbb%242138be30%2463aa3a90%24%40imagefront.de?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Softimage Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/xsi_list/CANi5zx%3DHrxuB%3D6C5rmQ3PP46qBJWG7ji8HY5EYy4P1-yfRC%2BVw%40mail.gmail.com.
