[Digikam-users] Sharpening in 1.0.0 SVN

[Andi Clemens]

I found the problem, it appears since we changed our blur method to CImg::blur 
(commit #953278).

The radius we set in the widget is wrong, I guess it always has been wrong.
A radius of 5 in other programs doesn't look like our results in digiKam with 
old code.

So actually the label is wrong: It should have  been called "diameter" in the 
past, instead of "radius".

So in order to get the same result, you need to set a radius of 2.5 now.
This is not possible with the current widget, we need to accept double values 
here.

I will change the widget to accept double values.

Andi

On Thursday 25 June 2009 14:02:29 Andi Clemens wrote:
> I reverted all changes we made this year to the sharpening tool and filter.
> Still the same result... weird!
>
> I will need to use "git bisect" to find the problem.
>
> Andi
>
> On Thursday 25 June 2009 13:43:52 Andi Clemens wrote:
> > I can confirm this, 0.10 results look very different from 1.0.0.
> > I will check this.
> >
> > Andi
> >
> > On Tuesday 23 June 2009 09:12:38 Leonardo Giordani wrote:
> > > Hi all,
> > >
> > > what happened to sharpening filter in 1.0.0 (SVN 22/06/2009)? It seems
> > > to be much more aggressive than in 0.10.0.
> > > See
> > >
> > > http://picasaweb.google.it/giordani.leonardo/DigiKamSharpening#53504144
> > >77 01 7003490
> > > http://picasaweb.google.it/giordani.leonardo/DigiKamSharpening#53504144
> > >82 63 6616850
> > >
> > > the same image processed with 0.10.0 (first) and 1.0.0 svn (second).
> > > Same parameters but result is quite different.
> > > Thanks
> > >
> > > Leonardo
> >
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