[mkgmap-dev] missing tiles

Mon Oct 24 17:05:10 BST 2011

i know the problem from mapsource (see here: 
www.geocaching-dresden.de/missing_tiles.jpg), and to a lesser extend 
from an oregon 450 (zooming in and out usally fixes it here). it seems 
to be a problem connected to a certain range of pois. as soon as i zoom 
out far enough for pois to vanish, the problem is gone. i suspect about 
anything between 0x3300 and 0x3f00, but haven't had time to test some 
more. but: it seems more complex than just leaving out this range of 
pois - more often than not they are displayed correctly.

all in all: it feels like a garmin and not an mkgmap problem.

Am 24.10.2011 11:05, schrieb Minko:
> FYI:
> On the forum.openstreetmap.org there are a number of reports of missing tiles that appears on some GPS units.
>
> http://forum.openstreetmap.org/viewtopic.php?id=14140
> http://forum.openstreetmap.org/viewtopic.php?id=13826 (Dutch)
>
> Screenshot:
> http://img823.imageshack.us/img823/3778/weggevallen.png
>
> Hard resetting the unit does not seem to help.
> Those empty tiles are not there when compiling the map with mkgmap r2012
> but it is noticed on versions after 2042.
>
> Any ideas?
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> mkgmap-dev at lists.mkgmap.org.uk
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>
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