I have been following the discussion but have been in meetings today so haven't been able to contribute.
I agree we can discuss at lenght what 'separable' and 'unmodified' mean as abstract concepts but, as usual with legal contracts, the words will be interpreted in a particular context. It is probably worth looking at some more real examples therefore, in addition to my legal forest boundary example. The strict view expressed above by Frederick and others would mean that it would be impossible to use osm mapping as a bacground for this crime data as in the chart, 'Violent crime in the USA' unless the overlaid data was also on an open licence or the crime data was to the side of the map. http://thesocietypages.org/graphicsociology/2009/02/17/typical-crime-map-victimization/ And this one showing the location of the 'Trafford Law Centre' unless the photo was also on a free license or moved so as not to obscure the map. http://www.traffordlawcentre.org.uk/contact_us/contact.htm How about this map of the Isle of White overlaid with illustrations? http://www.steve.shalfleet.net/ Indeed anything overlaid on the map, or any other ccbysa image or photograph would need to be on an open license if the strict interpretation was used. In my view any corrections or additions to the map of features represented on that map view belong in the DB, anything else can be used to create a collection. Regards, Peter On 2 February 2011 16:35, Jonathan Harley <j...@spiffymap.net> wrote: > On 02/02/11 16:15, Anthony wrote: > >> On Wed, Feb 2, 2011 at 10:59 AM, Jonathan Harley<j...@spiffymap.net> >> wrote: >> >>> I think Peter is right - as long as >>> the CC-BY[-SA] content is unmodified, it can be assembled with other >>> things to >>> form a collective work. The CC-BY[-SA] licenses do not say that they >>> still have >>> to be separate and independent after assembly, just before. >>> >> Maybe that's a loophole in the license. But if so, it's a pretty big one. >> >> What is meant by "content is unmodified"? Obviously the printed base >> map is going to be modified from the original database. So under your >> interpretation, the part about the content being unmodified either >> prohibits everything, or allows everything. Or is there some other >> interpretation for "content is unmodified" that you can think of? >> >> > I have assumed it refers to the geodata, which is unmodified unless you > start changing the latitudes and longitudes of points. That's the only > reading I can think of that makes any sense of the phrase "unmodified form" > in the context of map data (in fact, of any kind of data). > > Clearly no rendering of any map is going to be unmodified in the sense of > having identical sequences of 0s and 1s to the database, in which case there > could be no such thing as a collective work based on a database, ever. Is > that what you mean by prohibits everything or allows everything? It seems > clear to me that the CC licenses are attempting to allow stuff but impose > conditions, not to prohibit everything. > > Jonathan. > > > -- > Jonathan Harley : Managing Director : SpiffyMap Ltd > > Email: m...@spiffymap.com Phone: 0845 313 8457 www.spiffymap.com > Post: The Venture Centre, Sir William Lyons Road, Coventry CV4 7EZ > > > _______________________________________________ > legal-talk mailing list > legal-t...@openstreetmap.org > http://lists.openstreetmap.org/listinfo/legal-talk >
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