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authorJon Lund Steffensen <jonlst@gmail.com>2009-12-23 18:38:21 +0100
committerJon Lund Steffensen <jonlst@gmail.com>2009-12-23 18:38:21 +0100
commit084fbc3a65e70b5a3f045ad6bd81890e1b9d943a (patch)
treed4cbe39a50ae6e1a46a911c5c97e52e7deab2732 /README
parentAdd setting gamma ramps with the VidMode extension. (diff)
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Update ChangeLog, README and NEWS
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-rw-r--r--README18
1 files changed, 11 insertions, 7 deletions
diff --git a/README b/README
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@@ -6,12 +6,12 @@ Adjust color temperature of your screen according to your
surroundings. This may help your eyes hurt less if you are working in
front of the screen at night.
-The program uses the RANDR extension of the X server to adjust the
-color temperature. This is done by setting appropriate gamma ramps. If
-you have configured your own gamma ramps they will be overwritten
-but in that case you probably care too much about color accuracy
-to use this program anyway. Your graphics driver and X server needs to support
-at least RANDR version 1.3.
+The program uses an X server extension adjust the color
+temperature. This is done by setting appropriate gamma ramps. If you
+have configured your own gamma ramps they will be overwritten but in
+that case you probably care too much about color accuracy to use this
+program anyway. Your graphics driver and X server needs to either
+support at least RANDR version 1.3 or the VidMode extension.
The color temperature is set according to the position of the sun. A
different color temperature is set during night and daytime. During
@@ -38,9 +38,13 @@ have reasonable defaults.
gamma value.
-h Display help message.
-l LAT:LON Your current location in latitudes and longitudes.
+ -m METHOD Method to use to set color temperature (randr or
+ vidmode). Default is randr. In some cases one of the
+ methods will not work. In that case you may be able to
+ use the other method.
-t DAY:NIGHT Color temperature to set at daytime/night.
-v Verbose output.
Example (location is Copenhagen, Denmark):
- $ redshift -l 55.7:12.6 -t 6800:3500 -g 0.8 -v
+ $ redshift -l 55.7:12.6 -t 6800:3500 -g 0.8 -m vidmode -v