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author | Mattias Andrée <maandree@operamail.com> | 2014-02-24 09:57:33 +0100 |
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committer | Mattias Andrée <maandree@operamail.com> | 2014-02-24 09:57:33 +0100 |
commit | 1e93f21e83d91c74b7bd329cf62ec4c2aebb2466 (patch) | |
tree | 9c5b4a001ec736a2e58786b77d6dd300b84ffcd9 /src | |
parent | bump version (diff) | |
download | blueshift-1e93f21e83d91c74b7bd329cf62ec4c2aebb2466.tar.gz blueshift-1e93f21e83d91c74b7bd329cf62ec4c2aebb2466.tar.bz2 blueshift-1e93f21e83d91c74b7bd329cf62ec4c2aebb2466.tar.xz |
fix m bug is sigmoid + add some comments now that I have testet it
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/curve.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/curve.py b/src/curve.py index c98f454..4f1d58d 100644 --- a/src/curve.py +++ b/src/curve.py @@ -386,7 +386,13 @@ def cie_invert(r = True, g = None, b = None): def sigmoid(r, g, b): ''' - Apply S-curve correction on the colour curves + Apply S-curve correction on the colour curves. + This is intended for fine tuning LCD monitors, + 4.5 is good value start start testing at. + You would probably like to use rgb_limits before + this to adjust the black point as that is the + only why to adjust the black point on many LCD + monitors. @param r:float? The sigmoid parameter for the red curve @param g:float? The sigmoid parameter for the green curve @@ -398,7 +404,7 @@ def sigmoid(r, g, b): try: curve[i] = 0.5 - math.log(1 / curve[i] - 1) / level except: - curve[i] = 0; + curve[i] = curve[i]; def rgb_limits(r_min, r_max, g_min = None, g_max = None, b_min = None, b_max = None): |