[mkgmap-dev] Small holes in boundary coverage

Sat Apr 7 17:26:47 BST 2012

Hi WanMil,

I've created a new one:
http://gis.19327.n5.nabble.com/file/n5624815/identical_output_v2.patch
identical_output_v2.patch 

Gerd

WanMil wrote
> 
> Hi Gerd,
> 
> can you please post again the identical output patch? I cannot find it 
> on my computer and the patch referenced by nabble cannot be found 
> (http://www.mkgmap.org.uk/pipermail/mkgmap-dev/2011q4/013223.html).
> 
> Thanks!
> WanMil
> 
>> Hi WanMil,
>>
>> I've tried again.
>> Reg. the performance improvements I see only small differences, I guess
>> that's because I use
>> splitter with default overlap of 2000. I assume the greater the overlap
>> the
>> greater is the
>> improvement of the UnusedElementsRemoverHook ?
>>
>> reg. different result:
>> I've uploaded the tile (sorry, it is very big):
>> http://files.mkgmap.org.uk/download/65/63240022.osm.pbf
>> I can reproduce the problem with trunk (r2263) (and my
>> identical_output.patch) using the following parms:
>> java -Xmx1600m -Xms1600m -jar mkgmap.jar --remove-short-arcs --route
>> --preserve-element-order 63240022.osm.pbf
>>
>> If I comment the call of UnusedElementsRemoverHook I get a different
>> output
>> file.
>> I hope you can reproduce it?
>>
>> Gerd
>>
>>
>>
>> WanMil wrote
>>>
>>>>
>>>> Please, can you review if the UnusedElementsRemoverHook is still
>>>> useful?
>>>> With my test data, it is slowing down mkgmap a little bit and I also
>>>> see
>>>> a different result for one tile in the UK when I disable it.
>>>>
>>>> Gerd
>>>>
>>>
>>> Gerd,
>>>
>>> I cannot reproduce that the UnusedElementsRemoverHook does not improve
>>> the speed of mkgmap. Can you please try again?
>>>
>>> If you see a different result it should be analysed. So please post your
>>> tile and your mkgmap parameters and all the details so that I can check
>>> that.
>>>
>>> WanMil
>>> _______________________________________________
>>> mkgmap-dev mailing list
>>> mkgmap-dev at .org
>>> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
>>>
>>
>>
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