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Thursday, September 30, 2021

Openstreetmap Worldwide Coverage


Martin Raifer has released a beautiful map of OpenStreetMap Node Density. The map provides a full general overview of OpenStreetMap's global coverage.

Each pixel on the map shows the release of nodes at that location. When comparison areas on the map y'all postulate to bear out a course of report of population normalization calculation inward your head. For illustration key Commonwealth of Australia appears darker on the map than approximately of the Australian coastline. This is to a greater extent than than probable due to the fact that urban conurbations are mainly on the coast in addition to thence at that topographic point volition survive to a greater extent than map features than inward the less densely populated areas inward the optic of Australia. You likewise postulate to holler upwards that the map uses a Web Mercator projection in addition to thence this makes it to a greater extent than hard to compare locations at unlike latitudes.


In Europe the Netherlands seems to convey the highest node density. Is this because the Netherlands has a huge release of OpenStreetMap contributors or simply a reflection of the relative urban density of the country? In the USA California shines out, especially key San Francisco in addition to Bakersfield. My guess is that Bakersfield inward detail must convey a pretty dedicated squad of OpenStreetMap contributors.