Maybe it's worth taking a look at point 6 a. on http://chandra.harvard.edu/photo/openFITS/casa.html:
Another limitation of using GIMP for a 3 color image is that GIMP does not > use what are known in Photoshop as "Adjustment Layers". Adjustment Layers > allow you to make changes to your layers in a non-destructive way. That is > to say that you do not actually change the layer itself, you apply an > additional layer to the original layer to make changes. This preserves the > original layer so you can always go back to its original state at any time. > The changes we'll make here have to be applied to the original layer, and > once the file has been saved and closed, you cannot back out of those > changes. One workaround to this is to duplicate your original layers and do > all of your work on the duplicates so that you can always go back to the > original if need be. How about adding this missing feature to GIMP? Best wishes, Łukasz Czerwiński On Thu, Nov 18, 2010 at 08:36, Marco Ciampa <[email protected]> wrote: > With last discover of a little jung black hole by NASA, > I have found this project on the Chandra X-ray observatory site: > > http://chandra.harvard.edu/photo/openFITS/ > > IMHO it can be very effective to spread the use of GIMP having a page > dedicated to the interesting / useful real case of GIMP use. > > Forgive my bad english... > > -- > > > Marco Ciampa > > +--------------------+ > | Linux User #78271 | > | FSFE fellow #364 | > +--------------------+ > _______________________________________________ > Gimp-developer mailing list > [email protected] > https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer >
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