The red areas are the actually rendered areas. http://imageshack.us/photo/my-images/64/screenshot717201110719p.png/ This is the result by splitting it to 8 pieces. The eastern part is already OK. By polygons do you mean multipolygons? I'm sure I broke a lot of multipolygons by splitting the map into 36, but it seems to be working. Zsolt Herrbert74 On Tue, Aug 2, 2011 at 7:52 PM, WanMil <wmgcnfg@web.de> wrote:
I had another go with splitter this morning and it worked out. But it's strange. If I split Hungary into 3-4 pieces, the eastern part is usually OK. But even if I split Hungary into 33 pieces I get bad areas on the western part or near Budapest. I splitted it to 36 and it worked with this command: java -Xmx1024m -jar splitter.jar --max-nodes=110000 c:\osm\osmdata\hungary.osm.pbf
What do you mean exactly with bad areas? Maybe you can send an image to show that.
Usually for polygons it is better to select a higher max-nodes and/or overlap parameter in the tile splitter because this increases the probability that the polygons are contained completely in the tile data.
But why is it that Eastern Hungary is OK with a million nodes? Is it because it's not so well mapped and it has less relations and/or errors? Can I somehow rejoin the parts to have less areas?
It would be useful if mkgmap would send a message which areas it couldn't render and why.
Another question: Was I totally wrong using Osmosis to split the data or is there a method which works with routing? To have counties is a bit nicer. I used the following (obviously breaks data): call osmosis.bat --read-pbf c:\osm\osmdata\hungary.osm.pbf --bounding-polygon file=c:\osm\osmdata\county_boundaries\pest.poly completeWays=no completeRelations=no clipIncompleteEntities=true --write-xml c:\osm\osmdata\counties\pest.osm
I cannot say for sure but I would expect that using non rectangular tiles is not really supported by mkgmap.
2011/8/1 Carlos Dávila <cdavilam@orangecorreo.es <mailto:cdavilam@orangecorreo.es>>
El 01/08/2011 22:36, Zsolt Bertalan escribió: > Hello > > I try to render a Garmin map of Hungary from OSM data with my own > rules and typ file. At first I used the Tile Splitter, but
whatever I
> did, I didn't manage to render a good map. splitter should work fine with Hungary data and you'll get inter-tile routing working. Can you provide the command you used to split the
data?
> Then I extracted county borders (Hungary has 19 counties), and
used
> Osmosis with polygon borders to split the data. I managed it. But > meanwhile CLC data was imported (I think this might be the
culprit)
> and I can't do it again. Four counties have only half the data in > Mapsource. They are not big, so I don't think that the size is the > problem. > I use MapSetToolkit with cgpsMapper to upload to MapSource. Here is an > example of how I use mkgmap: > java -Xmx1024M -ea -jar mkgmap.jar --charset=latin2 --route > --style-file=c:\osm\mkgmap\resources\styles\herrbert
--family-id=5000
> -c c:\osm\osmdata\counties\template.args --tdbfile
--description="OSM
> Hungary" 50000.typ If I remember right, -c option should be the last in you command
line.
> > I fI use the route option, cpreview crashes. > > I used osmosis with the following options: > completeWays=no completeRelations=no clipIncompleteEntities=true > I think this is not optimal for such a map, because I can't route > between two counties (ways are split without a common node). But
what
> are the best options? > > What am I doing wrong? If you need any more detail I'd be glad to > provide it.
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