On Nov 20, 2007 9:23 PM, Jesper de Jong <[EMAIL PROTECTED]> wrote:
> I noticed that with Gaussian blur, the Radius setting in GIMP means
> something different than in Photoshop CS3.
> As a test, I made a black square on a white background and used Gaussian
> blur on it with Photoshop CS3 and the current development version of GIMP
> with radius 6.0 pixels. Photoshop blurs the image much more heavily than
> GIMP; to get the same effect with GIMP, I had to set the radius to
> approximately 19.0 pixels.
Have you checked that the radius is in pixels in BOTH cases, and not
in inches or points?
> Is Gaussian blur not a standard algorithm that has a well-defined meaning
> for the radius? See for example http://en.wikipedia.org/wiki/Gaussian_blur
> If it is, then which one is doing it wrong, CS3 or GIMP?
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