Why is Motion Blur so slow?

Date : Wed, 11 Jul 2007 10:40:13 -0400
To : xsi(at)Softimage.COM
From : "Byron Nash" <byronnash(at)gmail.com>
Subject : Why is Motion Blur so slow?
I don't want to sound like a total newbie here, but why is rendering with motion blur so painstakingly slow? I have to be missing some optimization setting or something because the speed penalty for rendering with motion blur on makes it almost completely unusable for us. And I'm only talking about fairly simple scenes, ones with objects over alpha mostly. We started doing some of our blur in post and that's working pretty well. Did blur rendering get slower in XSI 6? Are any of you able to do much rendering with it and get your jobs rendered on time? I really want to use it more but I just have to tell my guys to avoid it as much as they can or we'll be rendering for weeks. Sorry to rant, this is more of a cry for help than anything else.

--
Byron Nash
www.armoredsquirrel.com

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