[OSM-dev] Projection problems

Bradley Kite bradley.kite at gmail.com
Tue Dec 16 20:53:57 GMT 2008

Many thanks for your answers.

I will have a look through the osm2pgsql code to try figure out the scaling


On 16 Dec 2008, 5:27 PM, "Thomas Wood" <grand.edgemaster at gmail.com> wrote:

osm2pgsql uses a spherical mercator projection which cuts down on the
amount of math required to produce a reasonable estimation of the
earth for our uses.
It's not a 'proper' projection in the GIS sense, but it works for our


I'm not sure what scaling factor osm2pgsql uses

Somewhat related implementations are at

2008/12/16 Bradley Kite <bradley.kite at gmail.com>:

> Hi all, > > I wonder if any one could be so kind as to help me out with a
problem > I am having wi...
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> dev at openstreetmap.org
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Thomas Wood
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