[mkgmap-dev] Patch v2 for better AutoroutingFrom Felix Hartmann extremecarver at googlemail.com on Wed Dec 2 13:36:56 GMT 2009
On 02.12.2009 13:08, Clinton Gladstone wrote: > On Dec 2, 2009, at 0:45, Felix Hartmann wrote: > > >> I changed some stuff to make routing a bit better. Anyone tried it out? >> > I tried the original patch, but found sadly (using Roadtrip on the Mac) that routing actually got worse. This was for a map of Germany. The directions were particularly unusual: on one ramp for onto the A7, I received the routing direction "Keep right on ramp" about 7 times. > > This may be because I use the DP filter set to 10, and the merge nodes options. > > Cheers. Well for Mapsource I also had no real improvement (somtimes a bit shorter, sometimes a bit more highways/big streets). But on my Vista HCx routing over very long distances really improved. On a Nuvi I tried I had no more routing errors no matter where in Europe I tried to route to. I think Mapsource/Roadtrip mainly suffer from inter tile routing problems, while routing over tile boarders on the GPS makes no difference. I also noted the "keep on .. ramp" things, I don't really understand why this happens here, with my mtb maps I don't have this problem. I'm not using the merge-nodes option, never improved routing for me, only made it worse (both in Mapsource and on GPS).
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