Hi! I'm proud to announce the Imagery Offset Database: a centralized offset bookmarks and calibration geometries storage. At the moment it consists of:

- API: http://wiki.openstreetmap.org/wiki/Imagery_Offset_Database/API
- JOSM plugin: http://wiki.openstreetmap.org/wiki/Imagery_Offset_Database/Quick_Start
- Web interface: http://offsets.textual.ru/

The principles behind IODB are described on its wiki page, http://wiki.openstreetmap.org/wiki/Imagery_Offset_Database . I have been developing it for about a year, and I consider it the second best way to solve the imagery offset problem (the first best is to realign imagery by a provider). You just adjust an imagery layer, but instead of creating a local bookmark, upload it to the server. And before aligning imagery layer you can check whether someone did it before.

I'd like to thanks mappers from Russia, Poland, Ukraine and Finland, who added 364 entries to the database in the past week and helped me test the plugin and the data model. Right now only JOSM users can use the database, but I hope iD would support it, and maybe some other editors: the API is really simple.

While the OSM database is in read-only mode, I suggest you transfer your JOSM offset bookmarks to the server. You will need a mirrored_download plugin, to check that your bookmarks are still valid and fit data and traces. And don't forget to check if someone uploaded an offset ahead of you.

All data in the database is published hourly in XML and JSON formats under PDDL license.


IZ

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