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Views: 1,165     Votes:  2     ✅ Solution
Tags: kde   gnome-shell   colors   color-management   night-light   eyesome  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

URL: https://askubuntu.com/q/1244707
Title: Make Ubuntu's Night Light look like Manjaro KDE's Night Color
ID: /2020/05/28/Make-Ubuntu_s-Night-Light-look-like-Manjaro-KDE_s-Night-Color
Created: May 28, 2020    Edited:  June 12, 2020
Upload: November 24, 2022    Layout:  post
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eyesome

Eyesome has more options to independently control your monitors (up to three) than either package. It’s been released for three years with no changes but on June 2, 2020 a color temperature slider was added.

In addition to the documentation on the github page link above where you can download eyesome, additional documentation with screen shots is available here in Ask Ubuntu:


New features on June 2, 2020

Here are the new features published today on github:

eyesome override.gif


Original features from 2017

Here’s a few screenshots (of a dozen screens) to give you an idea about eyesome:

eyesome configuration general tab.png

eyesome-edit-configuration-monitor-1.png

enter image description here


Reply to comment Color Temperature to Gamma

The new version has a Color to Gamma conversion table (bash syntax):

#                 Red         Green       Blue     Color Temperature
GammaRampArr=( 1.00000000  0.05181963  0.00000000   500 \
               1.00000000  0.18172716  0.00000000  1000 \
               1.00000000  0.42322816  0.00000000  1500 \
               1.00000000  0.54360078  0.08679949  2000 \
               1.00000000  0.64373109  0.28819679  2500 \
               1.00000000  0.71976951  0.42860152  3000 \
               1.00000000  0.77987699  0.54642268  3500 \
               1.00000000  0.82854786  0.64816570  4000 \
               1.00000000  0.86860704  0.73688797  4500 \
               1.00000000  0.90198230  0.81465502  5000 \
               1.00000000  0.93853986  0.88130458  5500 \
               1.00000000  0.97107439  0.94305985  6000 \
               1.00000000  1.00000000  1.00000000  6500 \
               0.95160805  0.96983355  1.00000000  7000 \
               0.91194747  0.94470005  1.00000000  7500 \
               0.87906581  0.92357340  1.00000000  8000 \
               0.85139976  0.90559011  1.00000000  8500 \
               0.82782969  0.89011714  1.00000000  9000 \
               0.80753191  0.87667891  1.00000000  9500 \
               0.78988728  0.86491137  1.00000000  10000 \
               0.77442176  0.85453121  1.00000000  10500 \
             )
# Temperatures of 500 & 10500 are not allowed. Provided for looping min-max.


Reply to comments 2

This question was asked today:

Is it possible to manually set eyesome to always run ? Regardless of
time. Also, is it possible to disable internet connection? Because if
it set to be always on, then there is no need to retrieve location
from the internet. Moreover, I don’t like apps retrieving my location
or having access to the internet if they don’t need to

You can forego using internet to get sunrise/sunset times with these commands:

sudo echo "7:00 am" > /usr/local/bin/.eyesome-sunrise
sudo echo "9:00 pm" > /usr/local/bin/.eyesome-sunset

Change the time appropriately. I’ll look at changing the software in the next upgrade to make this easier.

Please note eyesome doesn’t retrieve your location. You’re merely keying your city name into the screen and it’s stored on a configuration file on your disk. You aren’t keying in your IP address or longitude / latitude like Redshift, Night Light or F.lux. BTW your city name is already known to every website you visit because they know your ISP Service Provider’s city. Unless you are using a VPN of course.

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