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[mkgmap-dev] Overflowed directory error

From Carlos Dávila cdavilam at jemila.jazztel.es on Fri Aug 21 16:55:33 BST 2009

charlie at cferrero.net escribió:
> Quoting Carlos Dávila <cdavilam at jemila.jazztel.es>:
>> Hello all
>> While compiling a map from 6 tiles obtained with splitter (manually
>> adjusted areas.list) I get the following error:
>> GRAVE (BlockManager): overflowed directory with max block 65534,
>> current=65535
>> There is not enough room in a single garmin map for all the input data
>>    The .osm file should be split into smaller pieces first.
>> I guess I must split some of the tiles but, how to know which one? Does
>> it depend on the size (in MB) of the resulting maps?
>> Regards
>> Carlos
> I also create manual areas.list files.  My experience is that even if  
> I set max-nodes smaller in splitter, it can still create tiles that  
> are too big for mkgmap.  My rule of thumb is that no tile created by  
> splitter should be bigger than ~20MB (compressed, obviously).  This  
> makes it easy to spot tiles that are too big and I've not (yet) had  
> mgkmap fail when applying this rule.
Thanks for the figure. I'm currently splitting the same input osm with a
new areas.list. I'll take your size into account before processing tiles
with mkgmap (previously I had one of 28 MB, thus the overflow).

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