[OSM-talk] Can Google use our data?

[Fredy Rivera]

In Colombia abused google, copy your data and makes them small changes,
notice the "Camino viejo" I did it with my own GPS.
http://tools.geofabrik.de/mc/?mt0=mapnik&mt1=googlemap&lon=-75.18985&lat=4.82902&zoom=15


salu2
Humano


On Sat, Jan 5, 2013 at 10:04 AM, Greg Troxel <gdt en ir.bbn.com> wrote:

>
> Christian Quest <cquest en openstreetmap.fr> writes:
>
> > 2013/1/5 Simon Poole <simon en poole.ch>:
> >> I suppose the obvious question is: what was -your- source for the
> building
> >> outlines? It is a fair assumption that google is simply using the same.
> >>
> >
> > It is even more obvious that it is not a plain copy of OSM data as the
> > roads and building shapes are not the same (buildings more detailed on
> > Google).
>
> The basic issue is that two people mapping the same reality
> independently will get similar results.
>
> I had a similar situation when I noticed trails data appear on google
> maps in areas I had mapped.  On closer inspection, they were different.
> It took me a while to figure out where the data came from, and
> eventually concluded is was from a MassGIS trails layer (which is more
> complete in some places than OSM, but isn't particularly good quality).
>
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