[mkgmap-dev] Access Tags - is mkgmap also evaluating values other than no (e.g. delivery, destination, forestry, agricultural, permissive...)

Wed Oct 14 10:29:51 BST 2009

Mark Burton wrote:
> Felix,
>
>   
>> While writing action rules to try out the link pois to roads I just 
>> wondered whether mkgmap only looks at access/bicycle/motorcar.... =no or 
>> also other values like = delivery / destination / forestry / 
>> agricultural / private ?
>>     
>
> It only looks at vehicle classes as in the list you show below.
>  
>   
>> Also what happens if there is a road with access=no ; bicycle=permissive 
>> - is bicycle then set to yes? Am I correct in assuming that if access=no 
>> everything is first set to no, but later specific transport modes will 
>> in case be enabled if =yes (and if so which other tags) are present?
>>     
>
> Yes, that's how it works. Values of "yes", "designated" and
> "permissive" will enable access to the given vehicle type. So in your
> example above, it should work as you hope.
>  
>   
>> I found this bit of code, which seems to indicate only =no is currently 
>> evaluated, correct?
>>     
>
> Not correct.
>   
O.k. so where do I find the other values?
Actually can I delete some access mapping lines if I don't want them - 
this would be easier than working with action rules.

So if I crunch the below list down to

#     new AccessMapping("access",     RoadNetwork.NO_MAX), // must be 
first in list
#        new AccessMapping("bicycle",    RoadNetwork.NO_BIKE),
#        new AccessMapping("foot",       RoadNetwork.NO_FOOT),

Do I then achieve my goal of not needing to give action rules like
motorcar!=yes | motorcycle!=yes {set access=yes; set motorcar=yes; set 
motorcycle=yes; set ...}
Or will this break mkgmap?

>   
>> #     new AccessMapping("access",     RoadNetwork.NO_MAX), // must be 
>> first in list
>> #        new AccessMapping("bicycle",    RoadNetwork.NO_BIKE),
>> #        new AccessMapping("foot",       RoadNetwork.NO_FOOT),
>> #        new AccessMapping("hgv",        RoadNetwork.NO_TRUCK),
>> #        new AccessMapping("motorcar",   RoadNetwork.NO_CAR),
>> #        new AccessMapping("motorcycle", RoadNetwork.NO_CAR),
>> #        new AccessMapping("psv",        RoadNetwork.NO_BUS),
>> #        new AccessMapping("taxi",       RoadNetwork.NO_TAXI),
>> #        new AccessMapping("emergency",  RoadNetwork.NO_EMERGENCY),
>> #        new AccessMapping("delivery",   RoadNetwork.NO_DELIVERY),
>> #        new AccessMapping("goods",      RoadNetwork.NO_DELIVERY),
>>     
>
> This is just setting up the relationship between the OSM name and the
> garmin data structure bit for the various vehicle types recognised.
>
> Cheers,
>
> Mark
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>   
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