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Dyddiadur PlaneMad

Satellite imagery in Japan

Postiwyd gan PlaneMad ar 6 Tachwedd 2015 yn English Diweddarwyd ddiwethaf ar 12 Tachwedd 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 http://cyberjapandata.gsi.go.jp/xyz/ort/{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: http://tasks.teachosm.org/project/104

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Trafodaeth

Sylwadau gan PlaneMad ar 9 Tachwedd 2015 am 13:52

Issue file in iD to suggest alternate imagery based on map location to help new mappers set the correct background layer: https://github.com/openstreetmap/iD/issues/2826

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