Maya Toon Motion Blur Bug?

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  01 January 2007
Maya Toon Motion Blur Bug?


Been trying this today and I can't get a valid solution. Maybe you can help me, please!!.

Test: Visor get Toon example. Choose CarrotTop. A character with pfxToon outlines. ok

Rendering options, choose motion blur, either 2d or 3d. Pick 1/2 way along the timeline.

CarrotTop renders as blurred, but the Toon lines dont, and so they are offset from the geometry.

Is there any way to render pfxToon lines, -- without -- converting to polygons, to Motion Blur properly, eg in sync with what they are outlining.

Or is this a "opps" on Alias/Autodesk's part.

Thanks if anyone can help here
  01 January 2007
It gets worse..........

ok I created a simple object. Gave it a toon line. then converted it to polys.

On the time line. key'ed at 1st frame at pos 0,0,0, then keyed at frame 24 at pos 50,0,0.

then i hid the goemetry, but left the toon line (converted poly on).

played the time line, and rendered 1/2 way thru the 24 frames.

When it rendered it did the right thing, by looking forward to frame 12.2

But here is the horror, the -----converted to polys------ did not motion blur.

So it seems as if you cant do it. Unless there is some magic trick???



  08 August 2007
Anyone have any thoughts on motion blurring pfx toonlines? I assume it only works with 2d motion blur, but to get it to blur the lines decently, I have to up the smooth value, which blurs everything else way too much.
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  08 August 2007

here is the answer, you may not like it, nothing i can do about that.

A few messages went back and forward between me and Duncan, the creator of Maya.

And the final answer is that toon lines in maya do not motion blur.

Maybe in Maya 2008, but to be honest i really doubt it will be changed.
  08 August 2007
That's definitely unfortunate. Thanks for the headsup, though!

Er wait, then why the heck is there an option for "motion blurred" under the toonline attributes? Is it just poorly implemented?
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Last edited by JYoung : 08 August 2007 at 01:52 AM.
  08 August 2007
Render out a non-blurred image with the toonlines included, and a blurred image without the toonlines w/imbedded motion vectors. Use 2dblur to combine them and it looks pretty nice. Using the jbBlur2D tool makes things pretty easy to comp together.
Portfolio : Blog
  09 September 2007

for posting the solution, even though you figured it out yourself saved me the time of asking so instead, thanks!
  09 September 2007
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