On Fri, 2008-10-31 at 01:44 +0100, Joern P. Meier wrote:
> By the way, what kind of downscaling is used for the view zooming?
GEGL is doing that.
I have found that for scanned engravings, where I often scale down
to 11% or smaller, that GIMP 2.6 is not only much faster, but
usually has much better results. Sometimes I scale down
part-way with Lancsoz and then the rest of the way with cubic,
though, to minimise artefacts. Applying a convolution filter
(a blur, in this case) before scaling down, or using Value Propagate
with "more black" (for an engraving or woodcut) can also make a really
huge improvement sometimes.
Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
Ankh: irc.sorcery.net irc.gnome.org www.advogato.org
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