Post Process Motion Blur

Post Process Motion Blur

Post by Mr. E. Man » Sun, 02 Jun 2002 04:07:53



Hi, I'm lookning for some information on Post process motion blur. Any info
is really appreciated.

Thanks!
--
Mr. E. Mann

 
 
 

Post Process Motion Blur

Post by John Rus » Sun, 02 Jun 2002 05:22:57



> Hi, I'm lookning for some information on Post process motion blur. Any info
> is really appreciated.

are you trying to add it or remove it?

 
 
 

Post Process Motion Blur

Post by wakawakawakawakawak » Mon, 03 Jun 2002 01:34:20





>> Hi, I'm lookning for some information on Post process motion blur.
>> Any info is really appreciated.

> are you trying to add it or remove it?

Actually, this is for a friend who is trying to figure out how to add
motion blur in post process to program he is working on.

--
wakawakawakawakawaka

 
 
 

Post Process Motion Blur

Post by Vincent Stehl » Fri, 07 Jun 2002 00:10:22


Quote:>>>Hi, I'm lookning for some information on Post process motion blur.
>>>Any info is really appreciated.

  This is not just "any" web page, this is H. Elias' :)

     http://freespace.*.net/hugo.elias/graphics/x_motion.htm

--
      Vincent Stehl  StepMind S.A.
DSP system engineer  Central Buro, Avenue de Campon
                      06110 Le Cannet, France

 
 
 

1. Post process motion blur

Righty ho,

This post is a follow up to one I just made about L[6] motion blur.  I'm
pretty sure I've never heard this done for LightWave, and I don't think it's
in L[6].

LightWave's renderer is great, and the way it motion blurs the scene is very
cool, despite being dead simple.   But don't you wish sometimes that you had
an alternative.

When I used to work on SoftImage we used a post process motion blur.
Basically you render your scene without motion blur and then use a
stand-alone program to analyse the scene file and work out a screen motion
vector for each pixel.  It then does linear motion blurs to each pixel and
generates motion blurred images.

It's dead simple and very, very cheap on render times.  It's great for
moving cameras because it doesn't have to render the scene 9 times to get a
whip pan effect, and if you're rendering in layers you can sometimes get
away without even anti aliasing on fast moving stuff.  Alright it totally
falls over on transparent stuff and reflections, etc, etc, but when you
think about it you don't need that stuff that much.

Does anyone know of a LightWave plug in to do this, or if it might be done
with L[6].  Could a programmer maybe tell me if such a thing is doable with
the SDK.  I have often thought the saving in render times could be worth the
cost of hiring a programmer to write it.

thanks for any advice,

ben

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