Satellite imagery in Japan

Posted by PlaneMad on 6 November 2015 in English (English). Last updated on 12 November 2015.

Japanese version by user:nyampire

The default Bing imagery for Japan is poorly orthorectified throughout the country. Here we see some sections of the Shin-Tomei Expressway where the distortions are very clear.

untitled untitled Comparison of Bing and Orthorectified GSI imagery near Fuji

The correct imagery to use in Japan for tracing is from the Geospatial Information Authority of Japan (GSI) and the tileurl is{z}/{x}/{y}.jpg which can be used with source=GSImaps/ort

Spotted while correcting roads in Japan. Join the task to realign the data here:

Comment from PlaneMad on 9 November 2015 at 13:52

Issue file in iD to suggest alternate imagery based on map location to help new mappers set the correct background layer:

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