Calise Sets The Screen Backlight Based On Ambient Brightness

<div style="text-align: justify;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFA1Lkd1qptrf8jFaaEXqmmhTwS-R-FqYWlBdVNJk6f4Ap3hFo_jEikPq0XiGqj1x6o44_-p9O_FQTmG_sQduukrFsQAY4NEr16ooWnlyGhlo5xwCnygx55vHVr7iAdshHX5n9EfnVp9E/s1600/calise.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="230" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFA1Lkd1qptrf8jFaaEXqmmhTwS-R-FqYWlBdVNJk6f4Ap3hFo_jEikPq0XiGqj1x6o44_-p9O_FQTmG_sQduukrFsQAY4NEr16ooWnlyGhlo5xwCnygx55vHVr7iAdshHX5n9EfnVp9E/s320/calise.png" width="320" /></a></div><br /><b>Calise (Camera Light Sensor) is an application that uses your computer's camera as a light sensor for obtaining the ambient brightness and then calculates and sets the correct backlight according to an user defined scale.</b></div><br /><b>Calise features:</b><br /><ul><li>command line, GUI (with tray icon) interfaces and daemon mode</li><li>profiles support</li><li>DBus service optimized with automatic dawn/sunset recognition and weather information by using latitude and longitude.</li></ul><br /><a name='more'></a>More info on Calise cam be found at its <a href="http://calise.sourceforge.net/">official website</a>.<br /><br /><br /><h2>Install and set up Calise</h2><br /><div style="text-align: justify;"><b>Ubuntu 12.10, 12.04, 11.10, 11.04 and 10.10 users can install Calise from the main WebUpd8 PPA:</b></div><pre class="linux-code"><code>sudo add-apt-repository ppa:nilarimogard/webupd8<br />sudo apt-get update<br />sudo apt-get install calise</code></pre>Note: <i>I've only tested it in Ubuntu 12.04 because it can't be tested in VirtualBox.</i><br /><br /><div style="text-align: justify;"><b>After the installation completes, you must start the Calise calibration process</b> (but before you do, read the "Important" note below) using the following command:</div><pre class="linux-code"><code>calise --calibrate</code></pre><br /><div style="text-align: justify;"><b>Important:</b> before proceeding with step 3, you have to give write permissions to the file used for step 2 (the sysfs backlight path) using the following command:</div><pre class="linux-code"><code>sudo chmod 666 INTERFACE</code></pre>Where "INTERFACE" is the file you've selected under step 2 (example: <i>/sys/class/backlight/acpi_video1/brightness</i>). <br /><br />Then, continue with the remaining calibration steps.<br /><br /><br /><div style="text-align: justify;">Once you're done, you can run Calise from the menu / Dash. If you prefer to use the command line interface or the daemon mode, use the following commands to see the available options:</div><pre class="linux-code"><code>calise --help #command line interface<br />calised --help #daemon mode</code></pre><br /><b>Arch Linux users can install Calise via <a href="http://aur.archlinux.org/packages.php?ID=50801">AUR</a>.</b><br /><br /><b>Download Calise for other Linux distributions via <a href="https://sourceforge.net/projects/calise/files/">SourceForge</a>.</b>

Calise Sets The Screen Backlight Based On Ambient Brightness

Calise (Camera Light Sensor) is an application that uses your computer's camera as a light sensor for obtaining the ambient brightness a...

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