Re: [android-developers] camera: can I create star, diffraction (etc.) filters?

On Sunday, February 5, 2012 10:19:03 PM UTC-5, Spooky wrote:

What about a star filter or (and this is another one that I REALLY expect
the answer to be no for) a diffraction filter (maybe somehow simulating
the effects of a difraction grating via software...if that's even
possible)? 

You can probably imitate the look of a diffraction filtered lense by superimposing the image twice with a slight lateral offset.  Look at the img in this article:

http://en.wikipedia.org/wiki/X-Ray_Specs_(novelty) 

With the look coming from software, at least the user can have control over the offset, which would be impossible using a single real diffraction grating lense.

Tom

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