Taylor-Made opened this issue on Aug 02, 2011 · 6 posts
Taylor-Made posted Tue, 02 August 2011 at 12:04 PM
I like the motion blur effect I get in Poser 7, but I'm doing a an 11 frame render of a car flying through the air and it's taking 4 hours per frame (1920X1280 72dpi)! Any way to get the effect with a little less rendering time? I'm working on an i7 computer with 12 gigs or ram and an FX3800 quatro so it's not a slow system.
bagginsbill posted Tue, 02 August 2011 at 12:24 PM
Why did you mention 72 DPI? Is it your belief that has anything whatsoever to do with how much rendering has to be done?
Poser 7 is limited in its ability to use multi-core CPUs, and you probably have a good one. You didn't say which, but if you have 12 GB RAM then you probably have 8 or 12 cores to work with.
You need Poser 8 or Poser Pro 2012.
Meanwhile - tell us about the render. Are there reflections? Are there refractions (because of glass?) or transparency (because of glass?). What are the render settings? Are you using tons of lights like it's 1999? Or are you using IBL? Do you have an environment sphere? If so, what is the size of the image mounted on the EnvSphere?
Etc. etc. etc. There are easily two dozen things that could potentially be changed to speed things up, unless you are not using them - then changing them (and the explanations of how to do so) would be utterly a waste of time.
Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)
Taylor-Made posted Tue, 02 August 2011 at 1:10 PM
Thanks for the lecture BB - well deserved as usual.
The scene is a car being struck by a train. The car is an 11 frame sequence of a SUV model I bought on Renderosity. It's a night scene with two infinate lights at low intensity. The car is supposedly sitting on the crossing when the train hits it. The car is the only object in the scene - no other props or objects, no ground shadow. It's gray but almost black with the night lighting, but it does have transparent glass in the windows. Firefly render was set at best quality but with stock settings.
I finally just modified it in Photoshop as the scene rendered without blur in about six minutes.
I know dpi doesn't factor in, just the standard set up for hi-def video.
bagginsbill posted Tue, 02 August 2011 at 2:41 PM
Without blur in six minutes, but four hours with blur? Hm. That's a lot of extra work.
Are you at SR3? If not, upgrade. There were some motion blur fixes in SR3.
http://poser.smithmicro.com/poserupdates.html
Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)
Taylor-Made posted Tue, 02 August 2011 at 6:11 PM
I'll give it a try. Thanks.
KageRyu posted Wed, 03 August 2011 at 10:18 PM Online Now!
Motion blur doesn't usually drive my render times up that much unless I have a lot of objects moving (and I mean a lot) with excessive amounts of Motion Blur (75 to 100%). Even then it never turns a six minute render into a 4 hour render. Motion Blur + Depth of Field + Refraction + Reflection + 4+ raytrace bounces + 0.21 minimum shading + well you get the idea...that drives up my render times. Heck, some of the scenes I been rendering at HD 4 hours would be a blessing, day and a half per frame (of course emy fastest render machine is only quad core with 4gb ram). Before asking how I can stand day and a half render times, let me just point out I started in 3D when processor speeds were 40mhz (yes, mhz) ;)
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