[mkgmap-dev] problem with splitter and bounding polygon

Tue Mar 1 21:32:01 GMT 2016

El 01/03/16 a las 22:23, Andrzej Popowski escribió:
> Hi,
>
> I'm trying to compile a map of USA using North America extract form 
> Geofabrik. I use splitter r427 with bounding polygon, something like 
> that:
>
> splitter --polygon-file=usa.poly ... north-america-latest.osm.pbf
>
> The result is that I get errors in mkgmap:
> SEVERE (MapFailedException): pbf\29729241.osm.pbf: (thrown in 
> BufferedImgFileWriter.ensureSize()) 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.
>
> This error appears for some tiles at the map border.
>
> My guess is, that splitter uses only nodes inside bounding poly to 
> compute tiles sizes. When a rectangular tile is placed on a polygon 
> border, estimated node number could be significantly smaller than the 
> full number actually saved in this tile. This could lead to problems 
> as above.
>
> I don't have any suggestions for a solution, so I'm going to try to go 
> around it using a simplified poly. I hope, that maybe someone could 
> get an idea how to correct it.
>
Did you try reducing --max-nodes value?

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