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[mkgmap-dev] [PATCH v2] Performance improvement by removing unused elements before the style processing

From WanMil wmgcnfg at web.de on Thu Jan 5 19:15:49 GMT 2012

> On 04/01/12 20:14, WanMil wrote:
>> Steve,
>> can you do me a favour?
>> I have uploaded both versions to http://files.mkgmap.org.uk/detail/46
>> (only files that differ and not the gmapsupp.img).
>> Can you run the display tool and check if you can quickly find the
>> difference? I would have to completely install the display tool and have
>> to get warm with it... I think you are much quicker? ;-)
> At first sight there is no difference in the number of elements of any
> kind.
> The difference is in the poi_properties section, where the patched
> version is larger than the unpatched by 6 bytes.
> So I would be looking at tags. I may be able to pin it down a bit
> further tomorrow.
> ..Steve

Hi Steve,

that already helped!
I printed out the tags of all POIs and the POI:

with internal Garmin coords lat:2293768 long:324722

is included in the patched but not in the unpatched version.

The bounding box is:
minlat: 2293760 minlong: 323584 maxlat: 2297856 maxlong: 327680

I am a bit helpless why the POI appears with the patched but not with 
the unpatched release...


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