Re: Can we do this with only AE? by Todd Kopriva on Oct 10, 2009 at 8:10:33 pm
Yes, that's something that you can do in After Effects.
The jargon for this currently very popular technique is 'tilt-shift'.
One component of a common approach is the Lens Blur effect. See the "Lens Blur effect" page; at the bottom of the page, there's a link to a tutorial on how to do this.
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Todd Kopriva, Adobe Systems Incorporated
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Re: Can we do this with only AE? by Will Cavanagh on Oct 10, 2009 at 10:04:27 pm
To elaborate on what's already been said --
You can use the lens blur effect, setting the depth map to a solid with a white->black linear ramp on it. You can then use the positions of the black and white points to control where the blur starts and ends. I would also recommend playing with the bokeh settings in the lens blur effect for a more organic look.