[talk-au] tagging the source of edits

Ben Last ben.last at nearmap.com
Thu Jul 29 01:21:33 BST 2010


On 29 July 2010 08:13, Steve Bennett <stevagewp at gmail.com> wrote:

> Hmm, shouldn't we be using attribution=nearmap in that case? The two
> concepts are related but not quite the same. The source is (should
> be?) an internal marker for quality control, so we know where we got
> the data from, the attribution should be for giving credit.
>
Interesting point, but the OSM wiki doesn't have much useful to say on the
use of the attribution tag<http://wiki.openstreetmap.org/wiki/Key:attribution>,
and does make it clear that the source tag should record the source of
derivation, so using source covers both cases neatly.  I suspect that, as
with so many OSM tags, the intentions of the originators of the tag have
been superseded by common usage :)

A similar situation exists when there is no existing source tag. If
> it's a long way and I'm modifying a small part of it, I sometimes set
> a tag of "source=unknown;nearmap".
>
I have, literally within the last five minutes, just written a bit of code
to do the same; append "nearmap" to the source when changing an existing OSM
entity rather than replace the source :)

>
> > basis of the derived data is enough attribution to comply; Potlatch does
> > that automatically.
> It's not totally automatic: you have to press 'b'.
>
Good point; I'd forgotten that...

Cheers
b

-- 
Ben Last
0423 475 673
Development Manager (HyperWeb)
NearMap Pty Ltd
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