[OSM-talk] Maximum segment length?

Dirk-Lüder Kreie osm-list at deelkar.net
Tue Mar 20 15:01:18 GMT 2007

Hash: SHA1

Scott Walde schrieb:
> I've noticed a strange rendering issue with the highway I took (and 
> mapped) on a recent trip.  Some tiles would simply refuse to render.  I 
> finally realized that the problem was the segment was too long and the 
> tiles in the middle weren't rendering.  By simply adding nodes I solved 
> the problem.  But, this causes me to ask the question... how long can a 
> segment be?  Around here, highways can go on in a straight line for 
> many, many kilometers.  (One problem stretch was about 50km.)

This is actually a problem with the api ;) because the tiles at home tiles
use the api call to return everything in the area, but the api just
doesn't return anything even though the roads/segments run right through
the tile area.
The maximum width of a zoom 12 tile is ~10km at the equator, but less
than 1 km at 85° N (or S), as it goes with the cos of the latitude.

There is a JOSM plugin somewhere, I believe by framm(?) which displays
the zoom 12 tileborders used by GoogleMaps and OSM (and possibly others)

Dirk-Lüder "Deelkar" Kreie

Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org


More information about the talk mailing list