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Gall-Peters is claimed to be the "politically correct" map of the world. How can i make a osm map based on that projection ?

asked 23 Nov '12, 18:52

Badita%20Florin's gravatar image

Badita Florin
accept rate: 0%

edited 23 Nov '12, 19:16

Frederik%20Ramm's gravatar image

Frederik Ramm ♦

there is a website that display ? does somebody nows about such a site ?

(24 Aug '13, 09:26) Badita Florin

No, because it's not a very useful projection: (see also

(24 Aug '13, 12:10) SK53 ♦

I wouldn't totally recommend the Georeference site since the owner seems to be quite (and unnecessarily so) biased against acknowledging the political aspects of map projections. Just check the Wikipedia article as a start:, or

(25 Oct '13, 19:01) Disparador

If you have a working Mapnik setup, you can simply request Mapnik to produce such a map because proj.4 already supports the projection. Easiest if you use osmstyle.xml -b -180 -90 180 90 -d 1000 1000 -s '+proj=cea +lon_0=0 +lat_ts=45 +x_0=0 +y_0=0 +ellps=WGS84 +units=m +no_defs' -fPNG world.png

The result looks like this:

alt text

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answered 23 Nov '12, 19:14

Frederik%20Ramm's gravatar image

Frederik Ramm ♦
accept rate: 23%


No graphic that renders a (roughly) spherical world into a rectangular page is going to be a perfect representation. The Peters projection has the advantage of representing the globe more accurately with regard to the relative size of the different continents. The more common Mercator project heavily increases the size of northern hemisphere continents relative to southern hemisphere ones. Because of this subliminal colonialism in the Mercator, the Peters ought to be the standard projection used on OSM, with the Mercator as an option. At minimum, the Peters should be available as an optional view.

A related issue is the presentation of the map with the north at the top. This is a convention passed down by northern hemisphere map-makers, who think of north as being "up". Many peoples in the southern hemisphere, for exactly the same reasons, see south as being "up", and it would be more neutral to have a south-up view of the map available too.

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answered 05 Jun '17, 04:57

strypey's gravatar image

accept rate: 0%

edited 05 Jun '17, 07:36


This site is intended for finding answers to questions. Your statement is not an answer. Discussion about what "ought to" be in OSM must be held on the forums or mailing lists, not on this Q&A site. An appropriate venue would be

(05 Jun '17, 08:00) Frederik Ramm ♦

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question asked: 23 Nov '12, 18:52

question was seen: 9,763 times

last updated: 05 Jun '17, 08:00

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum