[OSM-talk] Is *just* tracing useful?
Michael Collinson
mike at ayeltd.biz
Fri Sep 7 13:16:47 BST 2007
At 08:28 AM 9/7/2007, Frederik Ramm wrote:
>Hi,
>
> > So there are random parks, so what? Surely its better than a
> whole load of
> > white space on the map? I'll hold my hand up here and admit I've added
> > loads of woodland from the Yahoo imagery
>
>Me too; woodland, lakes, and rough "landuse=residential" areas... adds
>a lot in terms of orientation on lower zoom levels. I have even traced
>railroads from landsat; I wouldn't to so through already-mapped
>terrain but if it helps structuring an otherwise empty area...
A big +1. Such activity fits in well with GPS-track based
mapping. It makes it much easier to orientate oneself in a sparsely
mapped area and it is useful to see that a suspicious kink in a road
is because it skirts a wood or goes over a railway/river rather than
being spurious data.
Mike
Stockholm
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