[talk-ph] "3D" OSM

Eugene Alvin Villar seav80 at gmail.com
Fri Jun 21 17:54:37 UTC 2013

The trees look a little too big here in Bonifacio High Street:

I think the people who created the 3D map forgot to compensate for the
Mercator projection that they are using. To confirm my hypothesis, here's a
view of Helsinki at zoom level 19, which is near 60°N:

And here's a view of Yaoundé in Cameroon also at zoom level 19, which is
near 4°N:

Notice that the trees are the same size even though the map scale in
Helsinki should be almost 2× that of Yaoundé. You can even compare the
buildings, which look bigger in Helsinki than in Yaoundé.

I guess we can file this as a bug report to the developers of the 3D map? :)

On Fri, Jun 21, 2013 at 10:37 AM, maning sambale <emmanuel.sambale at gmail.com
> wrote:

> UPLB - Nice work by Ian Lopez on the buildings, fences, fountains and trees
> http://map.f4-group.com/#lon=13496735&lat=1593388&zoom=19&camera.theta=67.739&camera.phi=156.36
> Quiapo -  Building levels collected by local church volunteers.  The
> Quiapo Church itself looks very low since we only collected
> building:level and not actual height.
> http://map.f4-group.com/#lon=13467844&lat=1643086&zoom=19&camera.theta=80&camera.phi=-5.454
> Makati - CBD doesn't look very high-rise. :)
> http://map.f4-group.com/#lon=13472457&lat=1637534&zoom=18&camera.theta=71.635&camera.phi=51.212
> --
> cheers,
> maning
> ------------------------------------------------------
> "Freedom is still the most radical idea of all" -N.Branden
> wiki: http://esambale.wikispaces.com/
> blog: http://epsg4253.wordpress.com/
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