[mkgmap-dev] [PATCH v2] Advanced restrictions

Fri May 14 12:27:59 BST 2010

On 14.05.2010 13:24, Nakor wrote:
> On 5/14/2010 6:17 AM, Felix Hartmann wrote:
>    
>> I don't really understand/see the need for the patch yet.
>>
>> [...]
>>
>>      
> Felix,
>
> There is two different thing here.
>
> The first thing (posted Wednesday night) is adding emergency and
> pedestrian turn exceptions. Disabling emergency and/or pedestrian
> systematically is two bits in an existing byte so it will not change the
> size. Disabling other types of vehicle on a systematic manner, would
> increase one byte per restriction. Depending on usage it can be
> interesting: I personally use my car map for short ped routing and would
> love to be able to disable turn restrictions in that case.
>
> The second one (posted Thursday evening) is much more interesting and
> allows via ways in restrictions. Has I said yesterday there are some
> know issues mainly because I did not get the full extent of the NOD file
> encoding. One thing that I forgot yesterday is that the turn
> restrictions are duplicated for now. I guess some sort of logic would
> allow to keep only one version of each of such restrictions.
>    
What are via ways in restrictions? Could you give some practical example 
of what they do and what they are needed for?

Would they increase the maximal routing distance? Or maybe it the fact 
that they are missing the reason for our intertilerouting in Mapsource 
which is not working correctly?

> Regarding your suggestions of toll roads and others depending on vehicle
> type, I do not know if this is possible at this time.
>
>     Thanks,
>
> N.
>
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