Re: [Gimp-developer] Gaussian blur in GIMP compared to Photoshop

2007-11-20 Thread William Skaggs
Jesper de Jong wrote: >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 The answer is no, there is not a single well-defined meaning. From a mathematician's point of view, the equation contains

Re: [Gimp-developer] Gaussian blur in GIMP compared to Photoshop

2007-11-20 Thread Øyvind Kolås
On Nov 20, 2007 12:05 PM, Jesper de Jong <[EMAIL PROTECTED]> wrote: > > > 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 GIM

Re: [Gimp-developer] Gaussian blur in GIMP compared to Photoshop

2007-11-20 Thread Jesper de Jong
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 tha

Re: [Gimp-developer] Gaussian blur in GIMP compared to Photoshop

2007-11-20 Thread David Gowers
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 C