[mkgmap-dev] [PATCH v1] - extend --replace-short-arcs option to take min arc length

Thu Jun 4 18:49:01 BST 2009

Shame on me, I had in my batch the call for the unpatched mkgmap 
version, which of course did not.

What can I say about the patch? Get it into TRUNK!!!!

Finally Routing over longer distances IS possible. Route calculation 
time decreased in mapsource by up to 50%, and possible route length 
increased about 20-25%.
Also no single Mapsource Crash since!!!!!!!!!!!!!

At least in Austria where because of the import, many roads are not 
connected, this patch is absolutely essential!

On my Vista HCx also many destinations that previously took 2-3 minutes 
to calculate just calculated only 20-30 seconds!
Maybe don't enable it by default, I have not really tested whether now 
there are any problems with roads connected that should not be 
connected, but so far it has been working great!

Mark Burton wrote:
> Hi Felix,
>
>   
>> Did this work for you on the example road?
>>     
>
> Yes, the small way gets zapped:
>
> 2009/06/04 13:08:43 INFO (Osm5XmlHandler):   Way Thomas-Tamussino-Straße (OSM id 27174349) has short arc (2.87m) - removing it by merging node 371185471 into 286059582
>
>   
>> I tried it and it would not work for me. Road is still broken.
>>
>> I notice that on 0 I have the same filesizes as before - so nothing is 
>> broken. Increasing from 0- 6m filesize gets bigger, but nevertheless the 
>> street is missing 3m, attached a screenshot from gpsmapedit (don't mind 
>> the shopping symbol, that is 0x2f0f which I use for road-name-pois). 
>> Actually whether I specify 3 or 6 does not matter for austria.osm.bz2, 
>> filesize stays identiacal.
>>     
>
> I attach a screenshot of what I get with gpsmapedit.
>
> Cheers,
>
> Mark
>   
>
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