[Ráfaga] #2780: mobile, queries, china
Rafagas team
xurxosanz at gmail.com
Tue May 14 04:13:15 PDT 2024
#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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