Hello David, Both Photoshop CS3 and GIMP are set to pixels.
Jesper 2007/11/20, David Gowers <[EMAIL PROTECTED]>: > > Hi Jespar, > 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? > -- Jesper de Jong [EMAIL PROTECTED]
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