From 1e93f21e83d91c74b7bd329cf62ec4c2aebb2466 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Mon, 24 Feb 2014 09:57:33 +0100
Subject: fix m bug is sigmoid + add some comments now that I have testet it
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
src/curve.py | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'src')
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):
--
cgit v1.2.3-70-g09d2