On 30/01/17 22:01, johannes hanika wrote:
hi,
On Tue, Jan 31, 2017 at 5:42 AM, Marcus Sundman <sund...@iki.fi> wrote:
On 30/01/17 10:13, johannes hanika wrote:
hi,
i suppose you've seen this
http://www.darktable.org/2016/05/colour-manipulation-with-the-colour-checker-lut-module/
?
"to interact with the colour mapping, you can change both source and target
colours. the main use case is to change the target colours however, and
start with an appropriate palette"
However, I want to do the opposite. I want to start with an appopriate
target palette (the xrite color checker card) and then pick the source
colors from the picture.
more specifically i meant the second half of it, about the darktable-chart tool.
That is insanely complicated and time-consuming, involving multiple GUI
tools as well as command line commands, generating ICCs etc. Imagine
setting the whitebalance by first rotating and cropping the picture,
setting various color settings, then exporting the picture, importing it
into another tool, running various command line tools on the
intermediate files, then importing the final results into darktable and
access your custom made (for this picture) ICC to apply to the picture.
Now do the for every picture. You'd have died of old age by the time you
make it past your 10th photoshoot.
Now, imagine if you instead could simply select the source colors in a
picture (which you can!) and choose which target palette they map to
(which I think you cannot). This would be almost as quick as the normal
white balance tool.
And if there was a way to choose the whole palette at once (just mark
the 4 corners of the palette in the picture, like you do in the xrite
tool) it would be virtually as quick as the normal white balance. And if
this tool would manage to find the palette by itself (like the xrite
plugin does) then it'd be even faster than the normal white balance tool!
Cheers,
Marcus
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