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Old Feb 19, 2006, 5:23 AM   #21
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Join Date: Dec 2005
Location: El Paso, TX
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Nice pic, good eye, neat clouds.

tclune mentioned the Gibbs effect but as any mathmetician knows the Gibbs phenomenon is an "overshoot (or "ringing") of Fourier series and other eigenfunction series occurring at simple discontinuities." It can be removed with the application of the Lanczos sigma factor.:?

The problem is that photoshop does not have a Lanczos sigma factor filter so I did other things, none of which I leaned in mathematics (calculus) class.

Africa
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