Re: [darktable-user] Inconsistent Output Message

[Nickolas Vassou]

yes usually when using the mouse wheel.
dt 2.4.4 ,  Ubuntu 18.04.1 LTS

Στις Παρ, 7 Δεκ 2018 στις 11:57 μ.μ., ο/η I. Ivanov 
έγραψε:

>
> On 2018-12-07 09:00, David Vincent-Jones wrote:
> >
> > I occasionally get the message 'Inconsistent Output' on my screen ...
> > most often when I am going through a screen zoom with the mouse wheel.
> > Apparently there is no damage done. Anybody else seeing this?
> >
> I have seen it too.
> >
> > darktable 2.5.0+979~g22ab1bc66
> >
> DT 2.4.4 on Ubuntu 16.04
> >
> > David
> >
> Regards,
>
> B
>
> >
> >
> 
>
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>
> 
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-- 
Nickolas M. Vassou


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Re: [darktable-user] Levels vs Tone curve

[Nickolas Vassou]

You can use curves to expand or depress the tonal range. after that you can
manipulate the contrast of the foto using the tone curve.

2017-04-30 18:45 GMT+03:00 David Vincent-Jones :

> A tone-curve can be 'reshaped'/bent (non linear more complex adjustment)
>
> Levels can only have changes made to end and mid points (3 points of
> change)
>
> On 04/30/2017 05:26 PM, darkta...@911networks.com wrote:
>
> On Sat, 29 Apr 2017 09:16:12 +0200
> Remco Viëtor   wrote:
>
>
> On vendredi 28 avril 2017 23:42:34 CEST I. Ivanov wrote:
> For me it's mostly a balance between ease of use and precision of
> the correction:
> - "Exposure" (or "levels") are easy to use, but only have 2 (or 3)
> points to adjust. They are the only ones that allow precise
> correction of white and black point.
> - "Tonecurve" is the most precise for anything but black and white
> points, but requires more care, and I find it difficult to use for
> the dark tones. (hint for devs: add a logarithmic mode like for the
> basecurve?)
> - "Zones" is somewhere in between, although I won't try to correct
> black and white point with it.
>
> "Exposure" has the added advantage that you can correct black and
> white points in both directions, the others only allow you to narrow
> the range. I find that the initial conversion can be too eager to
> clip highlights; this cannot be recovered with "levels" or
> "tonecurve", but only(?) with exposure. Tip: look up luminosity
> masks.
>
>
> Thank you for all the tips, but I still don't understand what's the
> difference between the levels and the tone curve.
>
> I wish somebody would add to the documentation:
>
> * list of modules doing similar jobs
> * this one is better at this, this one is better at that...
>
> I'm just trying to understand and I'm sure I could do a much better
> PP if I understood what I'm doing
>
>
>
>
> 
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>



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Nickolas M. Vassou


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