[Ráfaga] Nº1644: protomaps, coal, mountains

[Jorge Sanz]

Nº1644: protomaps, coal, mountains

Wed, 01 Sep 2021 by Raf

* protomaps.js is a vector tile renderer and labeler with all the
features and a small size that even works with data in Postgis via
@pg_tileserv

https://github.com/protomaps/protomaps.js

* Detect_MGP is a computer process that combines image analysis and
machine learning to find all the coal gas deposits on old maps in
order to clean up the toxic space they left empty.

https://urbanomnibus.net/2021/07/gasworks-lost-and-found/

* PeakFinder is a mobile application that uses the camera to identify
mountains visible from your position, even offline, around the world

https://www.peakfinder.org

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