Re: [Gimp-developer] Cubic Interpolation vs No Halo

Are there plans to fix the cubic interpolation so it doesn't toss away
quite so much resolution?
It seems to me it didn't do that quite so much before.


On Fri, Apr 29, 2016 at 12:34 AM, Liam R. E. Quin <liam holoweb net> wrote:

On Fri, 2016-04-29 at 00:59 +0200, Nicolas Robidoux wrote:

Do you ever find LoHalo (snail crawling notwithstanding) worthwhile?

Yes, but because it's so slow I use it less than once a month.

It feels like it takes half an hour or so, but I suspect it's probably
more like 10 minutes.

Most often I'm working with scanned engravings that have lots of
almost-parallel almost-horizontal lines, and the trouble is moiré-like
patterns that creep in. A gaussian blur before down-scaling, followed
by a sharpen, usually helps. We lost the old gimp 2.6 sharpen filter,
but the newer unsharp filter works.

Sometimes lohalo scales down without introducing the problems.


Liam R. E. Quin <liam holoweb net>

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