Alasdair Rae outlines the basics of visualizing basketball shot data with QGIS, an…
QGIS
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Mapping NBA basketball shots
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Vintage map design with QGIS
A quick, three-step tutorial on how to make maps that look vintage in the open source QGIS. [via]
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A Choropleth in QGIS
Xaquín G.V. has a dead simple tutorial on how to make a choropleth map with open source QGIS.