November 2018
Beginner to intermediate
272 pages
5h 36m
English
Content preview from Learn QGIS - Fourth Edition
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Layer styling – satellite image
Turn on the RGB_LandsatARD layer and zoom in to it. If you haven't stretched or altered the layer, it should appear similar to the following screenshot:
Landsat ARD in QGIS
This data is Landsat Analysis Ready Data (ARD), which was downloaded from the US Geological Survey (USGS) in May 2018. All Landsat data is open source and is increasingly becoming part of many GIS workflows. The ARD data means that we do not have to perform any atmospheric correction to the data; it is already converted to surface reflectance and therefore is in a usable format.
The first thing to do with this layer is to change the order ...
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