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Old 07-15-2010, 09:12 AM   #6
GeoffC
Chocolate Grasshopper ...
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Quote:
Originally Posted by pdurrant View Post
No, that's not it. I've added another picture with the centre removed (because I've also turned off anti-aliasing with the new picture, and the centre detail is too fine to work without anti-aliasing).

If there is any apparent warming of the colours towards the centre, it's an artefact of the conversion from an eps to pixels.

The illusion isn't a small effect that you have to strain to see.
Spoiler:
It doesn't matter what you've done, even with the centre detail removed there is still an apparent change in the colour from the outer to the inner.


No straining involved.....
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