[mkgmap-dev] [PATCH v5] - min arc length fixes

Sat Aug 29 05:36:25 BST 2009

Garvan & maew wrote:

PS.

In Routing Preferences I have set the option "try to avoid U-Turns".

Garvan

> Hi Mark,
>
> I spent some time testing short arcs and managed to find some routing 
> problems where mapsource will route in one direction but not in the 
> reverse direction. This looks like a mapsource bug to me, so I am 
> curious if it is seen with all versions of mapsource, or even if 
> others can reproduce it. I tested with version 6.13.7 of mapsource, 
> and builds 1143, 1155 and 1155 with the v5 patch of mkgmap.
>
> The test map is tiny, so you may have trouble finding it unless you 
> use the gdb file. Its someplace over Malaysia (N1 19.785 E103 28.403). 
> Note that the coordinates were very carefully chosen to select the 
> maximum length arc that demonstrated this problem. The length of the 
> short-arc shown in gpsmapedit is 5.4 m.
>
> Garvan
>
>
> Mark Burton wrote:
>> v5
>> in case people are still using this patch, i have reissued it without 
>> the stuff that is now in commit 1152.
>>
>> if you are using this patch and think it should also be committed -
>> please say - it didn't seem conclusive that is was useful when we last
>> discussed it
>>   
>
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