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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="task" id="plugin-exif-digital" xml:lang="ar">
<info>
<link type="guide" xref="index#plugins"/>
<desc>View information such as camera settings and histogram, geolocation, and date.</desc>
<revision pkgversion="3.24" version="0.1" date="2011-09-05" status="final"/>
<credit type="author">
<name>Tiffany Antopolski</name>
<email>tiffany.antopolski@gmail.com</email>
</credit>
<credit type="editor">
<name>Fabiana Simões</name>
<email>fabianapsimoes@gmail.com</email>
</credit>
<license>
<p>Creative Commons Share Alike 3.0</p>
</license>
</info>
<title>View detailed information about a picture</title>
<p>Pictures taken by digital cameras are stored with a host of extra
information embedded in them, such as the date that they were taken, what
exposure settings were used on the camera and, in some cases, even where the
picture was taken.</p>
<p>This topic shows you how to access this information.</p>
<section id="date">
<title>Show the date in the status bar</title>
<media type="image" src="figures/prefs-plugins-date.png" width="300" style="floatend"/>
<p>You can display the date that a picture was taken in the status bar at
the bottom of the window.</p>
<p> To do this, open the application menu on the
top bar, click <gui style="menuitem">Preferences</gui> and go to the
<gui>Plugins</gui> tab. Then, check <gui>Date in statusbar</gui>.</p>
</section>
<section id="exif">
<title>Detailed Exif data</title>
<p>The detailed information stored with digital photos is called <em>Exif
data</em>. You can view it by installing a plugin for the image viewer.</p>
<steps>
<item>
<p>In order to enable this feature, you need to have installed <link xref="plugins">eog-plugins</link>.</p>
</item>
<item>
<p>If <sys>eog-plugins</sys> is installed, open the application menu on the
top bar and click <gui style="menuitem">Preferences</gui>. Then, check
<gui>Exif display</gui> and close the dialog.</p>
</item>
<item>
<p>Enable the <gui style="menuitem">Side Pane</gui> to view the
camera settings used to take the photo. To also view histograms showing the balance
of colors and light/shade in the picture, select <gui>Exif display</gui> in the
<gui>Plugins</gui> tab and click <gui>Preferences</gui>. Check the histograms you
want to view, listed under <gui>Histogram</gui>.</p>
</item>
<item>
<p>You can also view the camera settings used to take the photo in the statusbar.
Select <gui>Exif display</gui> in the <gui>Plugins</gui> tab and click
<gui>Preferences</gui>. Check <gui>Display camera settings in statusbar</gui>.</p>
</item>
</steps>
</section>
<section id="map">
<title>Display a photo location map</title>
<p>Some cameras are able to attach <em>geolocation</em> information
(geotags) to digital photos. Geotags are usually just the GPS coordinates
(latitude and longitude) for the place where a photo was taken.</p>
<steps>
<item>
<p>In order to enable this feature, you need to have installed <link xref="plugins">eog-plugins</link>.</p>
</item>
<item>
<p>If <sys>eog-plugins</sys> is installed, open the application menu on the
top bar, click <gui style="menuitem">Preferences</gui>, and go to the
<gui>Plugins</gui> tab. Then, check <gui>Map</gui> and close the dialog.</p>
</item>
<item>
<p>Enable the <gui style="menuitem">Side Pane</gui> to show the map.</p>
</item>
</steps>
<p>The map will show the location that a picture was taken in only if there
is geolocation information attached to the photo. Many cameras do not attach
geolocation information to pictures.</p>
</section>
</page>
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