[mkgmap-dev] routing error example

Wed Jul 8 17:41:09 BST 2009

garvan.maew at online.com.kh wrote:
> Quoting Mark Burton <markb at ordern.com>:
>
>>
>> Hi Garvan,
>>
>>> I have made a cut down sample map showing an error in routing as
>>> displayed in mapsource. The source is in polish format, and includes 
>>> the
>>> junction where the errors are found, and a portion of a city to the
>>> south. If I delete more roads from the city, the error disappears, even
>>> though the error itself is apparently north of the city. The routing
>>> works correctly in gpsmapedit.
>>>
>>>
>>> The graphic file shows the junction where the errors are happening. The
>>> route should be west and south from one waypoint to the other, and
>>> instead it jumps about, sometimes following roads, sometimes making
>>> straight-line jumps.
>>
>> I can't find the point on the map the graphic is showing. What are the
>> coordinates of the junction between the two flags?
>>
>
> Sorry , the junction is near
>
> N13.10330 E100.91647
>
> Garvan
>
>
>
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>
I converted the polish format file to osm format, and I still get the 
same problem. However it look s like I can work around it by splitting 
long roads (it worked in my small test file)? I will keep testing.

Garvan