[mkgmap-dev] route recalculation senstivity bug found

Sat Jun 13 22:31:16 BST 2009

Yeah getting that 3byte field to work would be splendid. There are so 
many lines that one can't differentiate without it. Especially as 
Maspource only displays half as many compared to the gps.

Mark Burton wrote:
> Felix,
>
>   
>> O.k. so there must be another reason.
>>
>> Maybe its as well related to road_speed or road_class?
>> (Garmin may think that the lower the road_speed the higher the chance 
>> that there are buildings that obstruct GPS reception, or the lower the 
>> accuracy of the maps, cause minor roads are not that well mapped as 
>> major roads??).
>>
>> The road_speed of my maps is only 0,1 and 2 -could that be the culprit?
>>     
>
> For sure, there's lot's we don't know. For example, that 3 byte field.
> We don't really know what the various bits are used for. Someone a
> while back posted an analysis (and their theory) on what the values
> meant but nothing more has come from that yet.
>
> Cheers,
>
> Mark
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> mkgmap-dev at lists.mkgmap.org.uk
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>   
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