Author: Alastair Otter
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Botswana to sell more of its own diamonds under new deal with De Beers
Half of the world’s diamonds come from Africa, but Botswana, the continent’s top producer, didn’t own much of what it mined, until now.
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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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10 steps to create a custom Svelte component library
Although creating complex sites with multiple components in SvelteKit is pretty simple already, creating a library for your most regularly used components adds even more power to your projects.
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Loading non-essential data behind the scenes in Svelte
Streaming promises makes it simple to fetch data without having the page wait for non-essential data requests to complete before starting to render.
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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.
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Automating data downloads from a Google spreadsheet
Downloading data from a Google Sheets is usually as easy as clicking file->Download->CSV. But sometimes you need to automate the download. Here’s how.
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DataDesk: a better way to collect data in African newsrooms
Data collection should not be the preserve of the ’data team‘ – everyone in a newsroom should be able to collect and manage data that helps their reporting.
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What’s the buzz about green hydrogen?
South Africa has ambitions to become a “world-leading exporter of green hydrogen”.
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How – and why – we switched from interactive to static data visualisations
Making the change to static charts with limited options has completely changed the way we think about the visualisations we do. The ’constraints‘ we’ve applied remove a lot of the decision-making usually found in design.