[OSM-dev] Y-Boundary of Mercator-Projection

Matthias Brandt mb at blau.de
Wed Feb 4 12:27:28 GMT 2009

Tom Hughes wrote:
> Matthias Brandt wrote:
>> i've searched the archive of this mailinglist and the wiki about the 
>> magical y-boundary set to 85.05113° (respective 180° projected) in 
>> the Mercator Projection.
> Did you have an alternative value in mind?
Not really. But I would like to know, if there is any reason for this. 
I'm writing my Bachelorthesis about OpenStreetMaps and I would like to 
explain this bound.


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