[OSM-dev] Attribution string (was: Licence redaction ready to begin)

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Tue Jul 10 20:38:44 BST 2012

I've been wondering if it would be possible to put a fixed URL on the 
tile and/or API servers that application programs could fetch to 
retrieve the current attribution string for that particular tile 
server?  Something like 0/0/0.txt or some-such that we could simply code 
into the tile-based clients to fetch the desired string instead of 
coding it directly in the clients?

Since we all have to go in and change the attribution anyway, now might 
be a really good time to make it a fetchable string.

Lynn (D) - KJ4ERJ

PS.  I'm proposing a plain text string that can then be integrated into 
a client display here.  Another fixed URL per tile server could provide 
the reference URL string so that said applications can make the text 
attribution a link going there.

On 7/10/2012 3:32 PM, Michael Collinson wrote:
> Hi Paul,
> We discussed this tonight at LWG 
> https://docs.google.com/document/pub?id=1W7eh17a7cEUilpbictKYnWJfHoxIcA1W_tPEmqvmDkc 
> item 5
> We do not think temporary dual-licensing is particularly practical or 
> necessary provided that we allow consumers reasonable time to make 
> their attribution string changes. We are happy to re-visit this if 
> there is any strong reason we are not seeing.
> Mike
> >/  From: Richard Fairhurst [mailto:richard at systemeD.net  <http://lists.openstreetmap.org/listinfo/dev>]
> />/  Subject: [OSM-dev] Licence redaction ready to begin
> />/
> />/  Once it is complete, we will be ready to distribute data under the ODbL
> />/  and we'll advise of that with a separate announcement. The final pre-
> />/  redaction dataset available under CC-BY-SA has now been generated at
> />/  http://planet.openstreetmap.org/planet-120704.osm.bz2  . Where data has
> />/  been redacted, any attempt to access it from the API or the site's
> />/  'browse' pages will return a response to that effect.
> /
> To transition from tiles derived from a CC BY-SA source to tiles derived
> from a ODbL source will require changing the attribution and regenerating
> all tiles so that CC BY-SA data is not mis-represented as being ODbL data.
> What time period will data be available under dual licenses so that tile
> servers will not have to reload their database then immediately delete every
> cached tile when changing their attribution?
> When I discussed this with Frederik awhile back I suggested publishing the
> first post-redaction planet as dual-licensed as well as one week of diffs to
> allow tile servers to continue to serve old CC BY-SA tiles and re-render
> over the course of a week.
> At the very least I would suggest distributing the first post-redaction
> planet as dual-licensed for the simple reason that all the information to
> create it will be available as CC BY-SA.
> _______________________________________________
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