[mkgmap-dev] possible bug? mkgmap freezes with lines only routing style

Thu Oct 20 21:36:45 BST 2011

I can confirm that behaviour. Although in real mkgmap does not freeze 
(endless loop) but is working very very hard. Possibly the mkgmap code 
is not very optimal for the special test case.

@Steve, the code requires a very long time in the 
NETFile.simplifySortedRoads method because I think there are many roads 
with the same name. I think I remember a similar discussion some time 
ago? The method seems to perform a brute force method to detect 
connected roads with the same name. Can you have a look on it?

WanMil

> here: www.geocaching-dresden.de/mkgmap/style.zip
>
> i found a workaround just now: the style contains a file called "lines
> workaround", which does the naming of the roads in a separate step - no
> freezing.
>
> micha
>
>
> Am 20.10.2011 17:58, schrieb WanMil:
>>> i'm trying to create a lines-only routable map. from a certain amount of
>>> lines in the style mkgmap starts turning out 2 empty img files (empty
>>> means 0 bytes, not empty maps), then memory usage freezes pretty much,
>>> cpu usage oscillates wildly and nothing more happens.
>>>
>>> this problem is tied to --route, leaving the option out turns things
>>> back to normal.
>>>
>>> a certain amount of poi's in the style solve the problem too - with some
>>> lines for cities in the points file everything works as expected. it
>>> almost feels as if mkgmap "needs something to do" between all the roads.
>>>
>>> any ideas?
>> Can you please send the problematic style and your mkgmap parameters so
>> that we can try to reproduce the problem?
>>
>> Thanks
>> WanMil
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>
>
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