On 03.12.2009 12:10, Mark Burton wrote:
Hi Valentijn,
A routing oddity on Mapsource and my Garmin Nuvi:
http://osm.org/go/0E6U9XKEb-?layers=0B00FTF
When I'm driving on the A1 highway, it always sends me down the
motorway_link, then up on the motorway_llink again. Could this be
because the bridge over the Weteringweg makes the A1 consist of 3 parts,
while driving over the motorway_llink has only 2 (or maybe they're
connected in mkgmap, so it's only 1 part?)
I'm just guessing wildly here; the routing oddity is always there
though, so you might want to take a brief look.
Yes, weird. I reduced the road_speed for the motorway_link lines to be
2 less than the motorway lines and it now avoids the ramps. YMMV.
Cheers,
Mark
Well that's what my published patch is supposed to do, keep you on some
roads if there are too sharp turns. What is sharp is determined by the
road_speed.
BTW here is an improved patch, that does not show strange route
descriptions (but then routing on v2 worked slightly faster, but I have
no problems routing anywhere in Europe on my etrex).
( I also decreased motorway exits resolution, having them at 16 is
really making map rendering impossibly slow).
There is only one drawback. If used together with shorter distance, then
arrival times are way off (to slow), on the other hand without this
patch routing shorter distance did not provide any decent routes anyhow.
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Index: resources/styles/default/lines
===================================================================
--- resources/styles/default/lines (revision 1413)
+++ resources/styles/default/lines (working copy)
@@ -20,40 +20,57 @@
highway=primary {name '${ref|highway-symbol:box} ${name}' | '${ref|highway-symbol:box}' | '${name}' }
highway=secondary {name '${ref|highway-symbol:oval} ${name}' | '${ref|highway-symbol:oval}' | '${name}' }
highway=* {name '${ref} ${name}' | '${ref}' | '${name}' }
+# Convert generic path to most specific
+highway=path & bicycle=designated {set highway=cycleway }
+highway=path & horse=designated {set highway=bridleway }
+highway=path & foot=designated {set highway=footway }
-junction=roundabout & highway=trunk [0x0c road_class=3 road_speed=5 resolution 16]
-junction=roundabout & highway=primary [0x0c road_class=3 road_speed=4 resolution 19]
+# Allow for curvy roads and tight turns
+junction=roundabout & highway=trunk [0x0c road_class=3 road_speed=2 resolution 24 continue]
+junction=roundabout & highway=primary [0x0c road_class=3 road_speed=1 resolution 24 continue]
+junction=roundabout & highway=secondary [0x0c road_class=2 road_speed=1 resolution 24 continue]
+junction=roundabout & highway=tertiary [0x0c road_class=1 road_speed=1 resolution 24 continue]
+highway=motorway {add oneway = yes; add bicycle = no; add foot = no } [0x01 road_class=4 road_speed=2 resolution 24 continue]
+highway=motorway_link {add oneway = yes; add bicycle = no; add foot = no } [0x09 road_class=3 road_speed=1 resolution 24 continue]
+highway=trunk {add bicycle = no; add foot = no} [0x02 road_class=4 road_speed=2 resolution 24 continue]
+highway=trunk_link {add bicycle = no; add foot = no} [0x09 road_class=3 road_speed=1 resolution 24 continue]
+highway=* & motorroad=yes {add bicycle = no; add foot = no} [0x02 road_class=4 road_speed=2 resolution 16]
+highway=primary [0x03 road_class=4 road_speed=2 resolution 24 continue]
+highway=primary_link [0x08 road_class=3 road_speed=1 resolution 24 continue]
+highway=secondary [0x04 road_class=2 road_speed=1 resolution 24 continue]
+
+
+
+junction=roundabout & highway=trunk [0x0c road_class=3 road_speed=4 resolution 16]
+junction=roundabout & highway=primary [0x0c road_class=3 road_speed=3 resolution 19]
junction=roundabout & highway=secondary [0x0c road_class=2 road_speed=3 resolution 20]
junction=roundabout & highway=tertiary [0x0c road_class=1 road_speed=3 resolution 20]
junction=roundabout & highway=unclassified [0x0c road_class=1 road_speed=2 resolution 21]
junction=roundabout [0x0c road_class=0 road_speed=1 resolution 21]
-# Convert generic path to most specific
-highway=path & bicycle=designated {set highway=cycleway }
-highway=path & horse=designated {set highway=bridleway }
-highway=path & foot=designated {set highway=footway }
-
highway=bridleway {add access = no; add bicycle = yes; add foot = yes} [0x16 road_class=0 road_speed=0 resolution 23]
highway=byway [0x16 road_class=0 road_speed=0 resolution 23]
highway=cycleway {add access = no; add bicycle = yes; add foot = yes} [0x16 road_class=0 road_speed=1 resolution 23]
highway=footway {add access = no; add foot = yes} [0x16 road_class=0 road_speed=0 resolution 23]
highway=minor [0x06 road_class=1 road_speed=2 resolution 21]
-highway=motorway {add oneway = yes; add bicycle = no; add foot = no } [0x01 road_class=4 road_speed=6 resolution 12]
-highway=motorway_link {add oneway = yes; add bicycle = no; add foot = no } [0x09 road_class=4 road_speed=3 resolution 16]
+highway=motorway {add oneway = yes; add bicycle = no; add foot = no } [0x01 road_class=4 road_speed=7 resolution 12]
+highway=motorway_link {add oneway = yes; add bicycle = no; add foot = no } [0x09 road_class=3 road_speed=3 resolution 16]
+highway=trunk {add bicycle = no; add foot = no} [0x02 road_class=4 road_speed=5 resolution 16]
+highway=trunk_link {add bicycle = no; add foot = no} [0x09 road_class=3 road_speed=3 resolution 16]
+highway=* & motorroad=yes {add bicycle = no; add foot = no} [0x02 road_class=4 road_speed=4 resolution 16]
highway=pedestrian & area!=yes {add access = no; add foot = yes} [0x06 road_class=0 road_speed=0 resolution 22]
highway=primary [0x03 road_class=3 road_speed=4 resolution 19]
highway=primary_link [0x08 road_class=3 road_speed=3 resolution 19]
highway=residential | highway=living_street [0x06 road_class=0 road_speed=2 resolution 21]
highway=secondary [0x04 road_class=2 road_speed=3 resolution 20]
-highway=secondary_link [0x08 road_class=2 road_speed=2 resolution 20]
+highway=secondary_link [0x08 road_class=2 road_speed=1 resolution 20]
highway=path {add access = no; add bicycle = yes; add foot = yes} [0x16 road_class=0 road_speed=0 resolution 23]
highway=service [0x07 road_class=0 road_speed=1 resolution 22]
highway=steps {add access = no; add foot = yes} [0x16 road_class=0 road_speed=0 resolution 23]
highway=tertiary [0x05 road_class=1 road_speed=3 resolution 20]
-highway=tertiary_link [0x08 road_class=1 road_speed=2 resolution 20]
+highway=tertiary_link [0x08 road_class=1 road_speed=1 resolution 20]
highway=track [0x0a road_class=0 road_speed=1 resolution 21]
-highway=trunk [0x02 road_class=3 road_speed=5 resolution 16]
-highway=trunk_link [0x09 road_class=3 road_speed=3 resolution 16]
+
highway=unclassified | highway=road [0x06 road_class=1 road_speed=2 resolution 21]
highway=unsurfaced [0x0a road_class=0 road_speed=1 resolution 21]_______________________________________________
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