I've definitely "painted" motion vectors for this purpose in the past.
I.e., if you have the image data that tells you what direction to go in
and how far to blur, it's usually pretty easy to translate it to motion
vectors. You can do all sorts of stuff with the pixel and component
parsers. Probably you already know this, but for reelsmart, red is x
motion and green is y motion, both centered at .5. And it'll blur
anything with a non-black alpha. If you use smoothkit, I think red and
green mean pretty much the same thing, but are normalized to a cartesian
distance of 1, and the length is encoded in the blue channel. A simple
trick I've used in the past for "hacking" my reelsmart vectors is to
just paint 50/50 yellow with a soft edge. This lets you stop or slow
down poblematic blurs. It's like a soft-matte for motion blur.
- Andy
Luc Froelicher wrote:
this is exactly what RSMB Vector from RevisionFX.com does
luc
Bradley Gabe wrote:
I need to blur a target image by doing the following:
For each pixel on the target image, I need it to blur a specific
distance and direction, and I need to drive this info from a source
image which changes over time.
Before I start digging into the Fx tree (it's been a while for me), I'm
wondering if anyone knows offhand if this kind of operation is even
possible in the Fx tree... or should I start looking into a custom Shake
script solution?
Thanks!
-Brad
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