 | | | FG & MB | FG & MB 2004-05-18 - By Timothy Kings-Lynne
Back
when projecting rendered FG frames back onto an object, and your object
leaves the edges of frame, take notice of the MB. Based on the
direction of the motion blur, it might leave a hole where it cant find
any image information to blur within frame. You can fix this with an
overscanned render on the areas with holes and comp them back in...or im
sure there are other methods.
Nick wrote:
> or you could bake the FG for every frame and re-apply it at rendertime
> as an image sequence texture for true inexpensive 3D MB... (sometimes
> the projection method fails)... I have a script for that somewhere,
> maybe I put it up on SoftImage.com... can't remember... if it's not
> I'm happy to pass it on if it can help... the lm2DMV shader works a
> treat though...
>
> -- -- Original Message -- --
> From: Manny Papamanos <mailto:mpapama@(protected)>
> To: XSI@(protected) <mailto:XSI@(protected)>
> Sent: Wednesday, May 19, 2004 2:30 AM
> Subject: RE: FG & MB
>
> Stefan, I've seen that successfully done before.
> That technique is especially useful when dealing with large scenes
> and when trace intensive.
> I usually use FG with the 2D mb output shader but that's cause I
> don't require photo realistic results.
> I've also tested FG with the 3D MB and it seems good.
>
>
> Manny Papamanos, Graphics Support Engineer /
> SOFTIMAGE/3D/XSI
> www.finalgathering.com <http://www.finalgathering.com>
>
>
>
> -- --Original Message-- --
> From: owner-xsi@(protected) <mailto:owner-xsi@(protected)>
> [mailto:owner-xsi@(protected)]On Behalf
> Of Stefan Andersson
> Sent: Tuesday, May 18, 2004 7:32 AM
> To: XSI@(protected) <mailto:XSI@(protected)>
> Subject: Re: FG & MB
>
>
> pablo kirschke wrote:
>
> > anyone experienced with FinalGathering, together w Motionblur?
> > does i have to rebuild the FGmap for every frame?
> > thanks p
>
> render out the animatin with FG, then make a new pass and camera
> project
> the rendered images onto the geometry (select the background group
> and
> apply a constant material with the rendered images). Then add MB
> in the
> render settings.
> Doing FG and MB at the same time is nothing I recommend.
>
> I hope it made sense, and that it helped.
>
>
> best regards
>
> stefan andersson
>
> --
>
>
>
>
> S T E F A N A N D E R S S O N
> Freelancing Pixel Abuser
>
>
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