[OSM-dev] Polygon buffer tool (for Osmosis)

Richard Weait richard at weait.com
Fri Dec 11 13:15:12 GMT 2009

On Fri, Dec 11, 2009 at 7:03 AM,  <marcus.wolschon at googlemail.com> wrote:
> On Thu, 10 Dec 2009 21:40:39 -0500, Frank Steggink <steggink at steggink.org>
> wrote:
>> Hi,
>> I've created a small Python tool which buffers the polygon in a polygon
>> file (for Osmosis),
> Excuse me, wich polygon is buffered, when and for what purpose?
[ ... ]
> I guess these created polygon-files are nice for extracts that shall
> contain elements next to the border?

Yes.  Sometimes the surrounding area is interesting for context.

Here is an example of osmosis making several extracts with polygons.


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