hi all,
A bit simpler:
1. Enable drawn and parametric mask.
2. Click Invert all channels polarities button.
- this toggle combine masks to inclusive;
- all channels input and output sliders polarities toggled from '+'
to '-';
- drawn mask polarity toggled from '-' to '+'.
3. Toggle channel input cursor polarity that you want to update to '+'
and set the input cursor to get the desired parametric mask.
4. Toggle drawn mask polarity to '-'; this temporarily hides the
parametric mask. Trace the drawn mask.
JPV
Le 24/09/2016 à 10:39, Sascha Oleszczuk a écrit :
Hope the mail server but this under the correct order.
Hooray!
It looks like I found a way to combine additively a parametric mask
and a drawn mask.
Let‘s start with the parametric mask.
1.) First change the combine masks setting to inclusive.
2.) Next to invert all channels L a b C h - input an output via the
polarity button on the right side of each channel. _*EXCEPT*_the input
of the channel you want to use for selecting the mask. Like in my case
the L channel to mask the bright white sky.
3.) Next step is to change the blend setting to „drawn and parametric
mask“. Now draw a mask as you like and you will see it adds the mask
to the already existing parametric mask.
Hope this helps other darktable users too.
Sascha
2016-09-23 9:51 GMT+02:00 Sascha Oleszczuk <[email protected]
<mailto:[email protected]>>:
Hi Darktable Experts,
I tried a lot, to combine additively a parametric mask with an
drawn mask.
My picture is e.g. a standard landscape scenery picture white sky
(overexposed) and green grass (to make it simple).
I select with the parametric mask the white sky. Now I want to add
a spot at the green gras via drawn mask. I know I can use two
instance of the filter - but that's not what I want.
I played a lot with inclusive and inclusive-invert and further
invert masks again. But I was not able to do this simple tasks.
May you give me a hint?
Thx
Sascha
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