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We are planning to sell prints that are based on OSM data and also data collected by us.

Do we need to offer all prints under the CC BY-SA license or just the part derived from OSM?

In case the licensing changes to ODbL on April 1st: Is my understanding of the new license correct that only the derived data has to be made available upon request but not our data?

asked 22 Mar '12, 14:21

f3r3nc's gravatar image

accept rate: 0%

It is only the part derived from OSM that have to be licensed under CC BY-SA and have to be attributed. However merging two layers will make the combined layer a derived work. Any other part of the print can be copyrighted under the license of your choice.

An example is that you have some prints with a map derived from osm data with some added markers and a list of the coordinates of those markers. The image containing the map and the markers have to be licensed under CC BY-SA. Anyone can take this image and trace the markers to get the coordinates (possibly with some loss of precition). But the rest of the print can be copyrighted under a different license and it may be illegal to use the coordinates of the markers that were printed.

The ODbL license requires that you properly attribute OSM and make recipients of your printed map aware of where they can obtain the OSM-derived data that your map is based on. This could be a simple pointer to OSM's planet download page, but it you have undertaken steps to modify (e.g. enhance or filter) OSM data before you put it on the map then you will have to make that modified version of the data available on request. Details about this are in section 4.6 of the Open Database License Text.

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answered 22 Mar '12, 15:33

Gnonthgol's gravatar image

Gnonthgol ♦
accept rate: 16%

edited 22 Mar '12, 19:20

Frederik%20Ramm's gravatar image

Frederik Ramm ♦

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question asked: 22 Mar '12, 14:21

question was seen: 4,863 times

last updated: 22 Mar '12, 19:20

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum