On Sun, Apr 13, 2008 at 10:50 AM, Frederik Ramm <[EMAIL PROTECTED]> wrote:
> Hi, > > > we only know the bitmap-format for the map-images. > > The graph-format used for the routing-data is completely > > unknown. > > ... but has been reverse engineered by someone in Poland (I believe) > who sells his software "cgpsmapper" which, in the professional > version, can produce routable maps, and it could be used to make > routable OSM maps. I think we've not done it thus far because we > always hoped to find a free solution... > > Bye > Frederik > This is the project I'm (slowly) working on--to transform OSM data into a format required for Garmin GPS maps. For now, I'm planning to just output it into cGPSMapper format and then use that to create the routable maps, but if someone (else) were to reverse engineer the Garmin IMG routing format, it could easily be switched to write it directly. Karl P.S. If you're interested in this, I've started by defining a sample rules file which defines a transformation from an OSM way into a routable polyline with all the required attributes (it has only one for brevity). It's shown here: http://wiki.openstreetmap.org/index.php/User:SiliconFiend/Ruleset I'd welcome any comments.
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