OSM attribution is done through listing on http://wiki.openstreetmap.org/wiki/Contributors not through source tags which can be (and frequently are) removed.
I remain skeptical of the value of CLC:code in cases where the CLC:code maps to only one combination of OSM tags. The code can be inferred from the tags that were used on import, so there is no additional information. From: [email protected] [mailto:[email protected]] On Behalf Of Balázs Szalkai Sent: Monday, November 05, 2012 5:12 AM To: Paul Norman; [email protected] Subject: Re: [Imports] Hungarian CLC import Hi, The exact attribution text (© EEA, Koppenhága (2009); Készítette a FÖMI a KvVM megbízásából (2009)) is specified by the organizations who made the dataset. See http://lists.openstreetmap.org/pipermail/talk/2011-April/057501.html This source tag identifies all data that comes from the Hungarian CLC dataset. I didn't find any specific description for CLC:id and CLC:code on the wiki, though several national CLC pages list them. As far as I know, CLC:id is a unique id assigned to the polygons, while CLC:code does indicate the landuse type. CLC:code is a three-digit number with all digits ranging from 1 to 5. For a legend see http://eusoils.jrc.ec.europa.eu/library/data/efsa/Images/Legend_Corine.pdf I think this key should be kept because its values do not correspond exactly to OSM landuse= or natural= tags, so it does mean extra information. On Sat, Nov 3, 2012 at 8:36 PM, Paul Norman <[email protected]> wrote: Is it possible to use a source key that makes it clear that its CLC? Are the values for CLC:code and CLC:id listed on the wiki? If CLC:code indicates the landuse type, is there any value to it if it is duplicating the tagging?
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