While help Alan to create a base curve for the Nikon D810 I tried the
new dt-curve-tool with the pictures I used to create the Nikon D800
curve with the old tool to compare. And the result is lot better with
the new tool. 

Some questions:

1. Is it ok to update the preset? I suppose so, the old already
developed images will keep the previous curve. 

2. when I put the preset in src/tonecurve.c it does not appears in the
basecurve iop. Is that expected? I mean the variable is named
presets_from_basecurve and I would have expected some cooperation with
the basecurve iop, no?

3. if the tonecurve iop is used with this curve I need to deactivate the
basecure iop. This is not convenient as I'll need to use multiple
instance for the tonecure which is far more generic than the basecurve.

Anyway, I'm a bit confused with the way the presets from the new
dt-curve-tool works.

Thanks! 

- 
-- 
  Pascal Obry /  Magny Les Hameaux (78)

  The best way to travel is by means of imagination

  http://v2p.fr.eu.org
  http://www.obry.net

  gpg --keyserver keys.gnupg.net --recv-key F949BD3B


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