Tag: QGis
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Working with Open Street Map vector data in QGIS
When we teach data journalism most people are eager to make a map but they’re usually unsure of where to get data for a map. And while there are many good sources for map data, if you’re looking for something, like a particular town or neighbourhood, that’s not always so easy. One solution is to…
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How to extract multiple features from a shapefile in QGIS
This guide will help you find and extract features from a larger map into a smaller one. In this example, selected rivers in South Africa are copied into a new GeoJSON format file.
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Remove features from a map with QGIS
There are two small research islands more than 2,000km off the coast of South Africa. When mapping SA data, you generally don’t want to include them. Luckily, it is simple enough to remove the islands in QGIS.
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Creating a grid overlay for a map using QGIS
There are a number of reasons you may want to make a grid of points covering a geographic area. In my case, I wanted to work out which point in South Africa was the furthest from a police station.