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Feature #10068

Improvement in handling "tone curve" (Lab)

Added by Rudolf Martin about 4 years ago. Updated about 4 years ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
Darkroom
Target version:
-
Start date:
08/20/2014
Due date:
% Done:

0%

Affected Version:
git development version
System:
all
bitness:
64-bit
hardware architecture:
amd64/x86

Description

Many times I need a straight curve in the a- and b-channel with more incline than the diagonal. It took me some time to figure out to get this form of curve, without a smoothing spline.

In the blog "Mastering color with Lab tone curves" I found an older screenshot.

Here exist small triangles at the bottom of the curve display.

I propose to enable one sliding triangle at the bottom left corner and one at the top right corner. Moving this triangles should move the starting point of the curve without smoothing the curve.

Here an example with two sliders at the bottom:

History

#1 Updated by Tobias Ellinghaus about 4 years ago

  • System changed from Ubuntu to all
  • Affected Version changed from 1.4.2 to git development version

I kind of agree that it would be a nice feature. What do others think? Jo?

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