Re: [Gimp-developer] Artifacts after scaling, rotation... in 2.9 git

[Alexander Rabtchevich <alexander v rabtchevich gmx net>]

Hm. The similar bug already exists in the bugzilla. 
https://bugzilla.gnome.org/show_bug.cgi?id=730488

With respect,
Alexander Rabtchevich

Alexander Rabtchevich wrote:
> Hello
>
> The bug still exists. Should I post a bugreport? GIMP cannot scale...
>
> With respect,
> Alexander Rabtchevich
>
>
>
> Alexander Rabtchevich wrote:
> > The similar results are obtained during rotation or perspective 
> > correction. One can try to rotate the original tiff and see numerous 
> > banding.
> >
> > With respect,
> > Alexander Rabtchevich
> >
> > Michael Henning wrote:
> > > I can reproduce this problem. I'm going to guess that the issue is
> > > that the nohalo code is interacting badly with the sampler caching
> > > code in gegl, which has been rewritten since the nohalo code was
> > > originally written. Someone should probably look into that.
> > >
> > >    -- drawoc
> > >
> > > On Mon, Oct 27, 2014 at 2:27 PM, Alexander Rabtchevich
> > > <alexander v rabtchevich gmx net> wrote:
> > > > Because of the size. It seems the whole letter size should be 
> > > > smaller than
> > > > 40k. It will be easier to use external links.
> > > >
> > > > The original tiff
> > > > https://yadi.sk/i/J1bi__FhcKvUJ
> > > >
> > > >
> > > > The result of image resizing to 1600 pixels with nohalo.
> > > > https://yadi.sk/i/bLjZia4ccKtHK
> > > >
> > > > Mint 17 x64, mate, AMD Phenom II X6 1075T Processor, 12 Gb RAM, 
> > > > built-in
> > > > Radeon HD 4290 (no OpenCl).
> > > >
> > > > With respect,
> > > > Alexander Rabtchevich