[mkgmap-dev] weird behavior of routing

Thu Jun 7 17:06:45 BST 2012

unfortunately, even:

highway=primary { name '${ref}' } [0x03 road_class=3 road_speed=4
resolution 20-16 continue]

highway=primary { name '${name}' }   [0x03 road_class=3 road_speed=4
resolution 22]

doesn't work ;(

2012/6/7 Felix Hartmann <extremecarver at gmail.com>:
> routing is only on resolution 24. And don't put 24-24 (just in case). (
> in theory routing should also work in resolution 23, if there is no
> resolution 24 in the map, that is however not working with mkgmap yet).
>
> On 07.06.2012 15:31, Michał Rogala wrote:
>> Hi!
>>
>> I have another problem with mkgmap:
>>
>> When rendering primary roads this way:
>>
>> highway=primary {name '${ref}'} [0x03 road_class=3 road_speed=4 resolution 16 ]
>>
>> everything works great
>>
>> But when I render roads this way (to have different names on different levels)
>>
>> highway=primary {name '${ref}'} [0x03 road_class=3 road_speed=4
>> resolution 16-16 continue]
>> highway=primary {name '${ref}'} [0x03 road_class=3 road_speed=4
>> resolution 18-18 continue]
>> highway=primary {name '${ref}'} [0x03 road_class=3 road_speed=4
>> resolution 20-20 continue]
>> highway=primary {name '${name}' | '${ref}'} [0x03 road_class=3
>> road_speed=4 resolution 22-22 continue]
>> highway=primary {name '${name}' | '${ref}'} [0x03 road_class=3
>> road_speed=4 resolution 24-24]
>>
>>
>> Routing on such map doesn't work - Garmin (MapSource or hardware
>> devices) don't see primary roads when trying to calculate way. Instead
>> of proper route you get "straight line" to the nearest secondary road
>> and there it routes you (still not using any primary road). This
>> problem is best visualised using MapSource's "route tool".
>>
>> My map levels are:
>>
>> levels = 0:24, 1:22, 2:20, 3:18, 4:16
>>
>> When you try to search for a name of such primary road in index -
>> MapSource crashes.
>>
>> Is is problem with mkgmap or I just write my rendering rules wrong? I
>> just want to hide primary roads names on lower zoom levels.
>>
>> best regards
>>
>> Michal Rogala
>> _______________________________________________
>> mkgmap-dev mailing list
>> mkgmap-dev at lists.mkgmap.org.uk
>> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
>
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