On Monday 12 February 2007 10:36, Olivier Ripoll wrote:
> To complement Sven's reply, I would just add that the TIFF
> specification, section 7, page 26, recommends that TIFF editors
> ("applications that modify TIFF files") discards tags/fields/IFD they do
> not understand. To be more precise, the wording is:
> "It is unnecessary—and possibly dangerous—for an editor to copy fields
> it does not understand because the editor might alter the file in a way
> that is incompatible with the unknown fields."
> Best regards,
> Olivier

Ok so let's throw the tags away.
Is there anyway to get GIMP to use libgeotiff instead of libtiff?
libgeotiff is built on top of libtiff.
I have to touch up hundreds of aerial photos and it's a PITA to have to save 
and then reapply the projection every time I save an image in GIMP.

Avenza Systems sell a Photoshop CS plugin called "Geographic Imager" that 
handles GIS formats but it also does far more than what I need and am willing 
to pay for ($600).

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