Seems to work fine so far (also using maxspeed patch), however I get
quite a lot of theese (between 0 to 20 per country):
SEVERE (MapBuilder): c:\openmtbmap\maps\64180000.osm.pbf: possible
routing problem: road end-points not both coordNodes: ((M5),
http://www.openstreetmap.org/browse/way/152908991)
(serbia from geofabrik). Dunno really what to do with it....
On 27.08.2013 21:31, WanMil wrote:
mkgmap has a LineMergeFilter but that does not merge the road network.
Attached patch performs a merging in the OSM data just before the road
network is created. This has the advantage that the source code for
the merging is quite easy. Turn restrictions and through routes are
considered.
I tested some data in germany and got a reduction of 5% to 12% (number
of roads). I did not find any improvements but also no downgrades in
routing. But I did not test long distance routing (> 600km).
I think the merge results can be improved if the access handling and
some other parts are moved from source code to the style files. This
makes it easier for the merger to say that two roads have the same
attributes and can be merged without problems. But that's a task for
the future...
I have already uploaded a compiled version:
http://files.mkgmap.org.uk/detail/148
For anyone who is interested in the code: Please check the tag list
(variable flatCompareTags) in the new RoadMerger. This taglist gives
all tags that must be equal so that two roads can be merged. Is this
list complete? Can I remove some tags from it?
Have fun!
WanMil
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keep on biking and discovering new trails
Felix
openmtbmap.org & www.velomap.org
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