On Tue, Nov 18, 2008 at 1:24 AM, Dotan Cohen <[EMAIL PROTECTED]> wrote:
> 2008/11/17 David Gowers <[EMAIL PROTECTED]>:
> That is actually what I had done, David, however I figured that it was
> worth asking if there is a better way in Gimp. Lots of people smarter
Well, you could create a script which only requires you to specify
target DPI, and it would then read the current DPI, calculate the
scaling factor from that vs target DPI, scale the image, and finally
set the DPI.

gimp-image-scale (or scale-full) would be the PDB calls you'd need for this.

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