Hi,
I got notified by a fellow mapper about that the Greek governmental
cadastre organisation wants to release data to the public (orthophotos
'aerials') covering "all" or large parts of Greece. I've checked the
orthophotos('aerials') for my city, Thessaloniki and they are ok,
maybe a bit more detailed than Yahoo's.
The website of the announcement is only available in the Greek
language, here is the announcement http://geodata.gov.gr/maps/
(webcitation link: http://webcitation.org/5sFV8hmZ6) along with the
FAQ. There is a section in the FAQ which says "Open data. For what
reason?". I skip translating this and go instead directly to the FAQ
section (rough translation)
- "How can I use the data?"
The 'settings' of geodata.gov.gr are provided with user licence terms
that are specified by their distributors. More specifically:
* For the physical "settings" of Google Maps the user licence terms
are: http://www.google.com/intl/en_ALL/help/terms_maps.html
* For the physical "settings" of OpenStreetMap the user licence terms
are: http://creativecommons.org/licenses/by-sa/2.0/
* For the physical "settings" of "Κτηματολόγιο Α.Ε."(Ktimatologio
'S.A.') the user licence terms are:
http://gis.ktimanet.gr/wms/ktbasemap/default.aspx
The rest of the 'geographical'(γεωχωρικά?) data that you can find are
provided with more specific terms under the user licence terms
Creative Commons Αναφορά Προέλευσης (CC BY v.3.0).
Now I just read the link at
http://gis.ktimanet.gr/wms/ktbasemap/default.aspx and instead of
reading a licence it just shows the map. I'm not so sure anymore that
this data is free, but they sure show the intention or a willingness,
so for the moment I would not recommend anyone using this data before
being 100% that it can be used legally with OpenStreetMap. (and since
OSM will soon switch to a new licence some person(me?) might need to
contact them about that OSM will be changing their licence to
something completely different than CC-BY-SA-2.0.
Kind regards,
Niklas
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