Tim Waters wrote:
Is it worth documenting something about how any solution can deal with
the variety of licenses available?
For example, a composite layer may have both public domain and imagery
with a cc-sa-nc license for derivative works.
With apologies (maybe ;) ) for being dogmatic, but...
Any photographic imagery (whether aerial, or scans of ooc material, or
whatever) that restricts derivative works, such as through an -nc
clause, is imposing additional contractual crap over and above
copyright law. I've blogged previously (http://www.systemed.net/blog/?p=100
) about case law relating to this in both the UK and US.
People like Google are, of course, free to impose their own
contractual restrictions on deriving, but such imagery doesn't belong
in any open map.
cheers
Richard
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