https://bugs.kde.org/show_bug.cgi?id=439493
--- Comment #6 from Karl Ove Hufthammer <k...@huftis.org> ---
(In reply to animtim from comment #4)
> I went for EPSG:3857 as it's the one used by virtually all online map
> providers, and as it's easier to use the same for all the countries.

BTW, EPSG:3857 (‘Web Mercator’ – a Mercator projection that pretends that the
Earth is a sphere instead of an ellipsoid) is used for online maps because it
is easy to use for *global maps* that are *based on tiles*. It’s not used
because it’s a good representation of the way the Earth actually looks. For
example, in EPSG:3857 Greenland looks to be about the same size as Africa. In
reality, Africa has an area that is about 14 times (!) that of Greenland.

That said EPSG:3857 doesn’t look *too* bad when used for ‘local’ (large scale)
maps, especially for countries that are not too tall and not too far from the
equator.

Also, BTW, EPSG:3857 is not used for the global map in GCompris. A much more
sensible projection is used there.

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