[Ráfaga] #2780: mobile, queries, china

[Rafagas team]

#2780: mobile, queries, china

Tue, 14 May 2024 by Raf

* Trackbook allows the online creation of tracks and waypoints, which
can be saved in the account and synchronized from the cloud with an
app for viewing and tracking GPX files for both Android and iOS

https://trackbook.online/?lat=25.165173&lng=-27.246094&z=3.00&basemap=7

* How to bulk query and subquery OpenStreetMap with the Overpass API
and from Python for large amounts of geodata

https://pybit.es/articles/openstreetmaps-overpass-api-and-python/

* The datum China uses is GCJ-02, which applies a random obfuscation
"non-linear topographic map confidentiality algorithm" so that only
government-authorized companies can map the country

https://medium.com/@anastasia.bizyayeva/every-map-of-china-is-wrong-bc2bce145db2

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Translated by Isaac, Jaume, Jorge, and Wladimir

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