[mkgmap-dev] Nearby POIs

Mon Jun 8 07:18:38 BST 2020

Hi Mike,

I added options --route --link-pois-to-ways and finally could reproduce the problem with the small file.
Should be fixed with  r4523. The high-prec-stuff makes many things better but it is also is a constant source for problems like these :(

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <gpetermann_muenchen at hotmail.com>
Gesendet: Sonntag, 7. Juni 2020 20:48
An: 'Development list for mkgmap'
Betreff: Re: [mkgmap-dev] Nearby POIs

Hi Mike,

okay, thanks for the hint. I probably have to try with a larger area to see this effect.
So it's a another special case regarding the Coord.equal() method used with highPrec...

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Mike Baggaley <mike at tvage.co.uk>
Gesendet: Sonntag, 7. Juni 2020 20:35
An: 'Development list for mkgmap'
Betreff: Re: [mkgmap-dev] Nearby POIs

Hi Gerd, stepping through the code in the debugger, I can see that the
problem seems to be that the wrong angle fixer moves one of the points to an
alternative representation that is identical in position, but is no longer
the same coordinate. Thus it successfully adds it to the list of different
points, but when it deletes it as a nearby POI, it calculates the distance
from the best point to be zero.

Latitude 2473177 delta 6 for both
Longitude -98347 delta 29 for one, -98348 delta -35 for the other.

Cheers,
Mike

-----Original Message-----
From: Gerd Petermann [mailto:gpetermann_muenchen at hotmail.com]
Sent: 07 June 2020 07:49
To: 'Development list for mkgmap' <mkgmap-dev at lists.mkgmap.org.uk>
Subject: Re: [mkgmap-dev] Nearby POIs

Hi Mike,

I cannot reproduce the problem. I've downloaded the area around the node
given in the message and used --nearby-poi-rules=0x3200:10 with the default
style.
I see these (expected) messages
INFO: uk.me.parabola.mkgmap.osmstyle.NearbyPoiHandler
f:\osm\nearby-dup.osm: Removed duplicate POI with type 0x3200 "stile" for
element http://www.openstreetmap.org/node/7375220120 at
http://www.openstreetmap.org/?mlat=53.068619&mlon=-2.110307&zoom=17
INFO: uk.me.parabola.mkgmap.osmstyle.NearbyPoiHandler
f:\osm\nearby-dup.osm: Removed duplicate POI with type 0x3200 "stile" for
element http://www.openstreetmap.org/node/4073250219 at
http://www.openstreetmap.org/?mlat=53.068589&mlon=-2.110224&zoom=17
INFO: uk.me.parabola.mkgmap.osmstyle.NearbyPoiHandler
f:\osm\nearby-dup.osm: Removed duplicate POI with type 0x3200 "stile" for
element http://www.openstreetmap.org/node/4073236380 at
http://www.openstreetmap.org/?mlat=53.068481&mlon=-2.109169&zoom=17

My test data is here:
http://files.mkgmap.org.uk/download/479/nearby-dup.osm

Maybe it depends on the given radius. I tried different values but I never
got your message.
Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Mike
Baggaley <mike at tvage.co.uk>
Gesendet: Samstag, 6. Juni 2020 01:32
An: 'Development list for mkgmap'
Betreff: [mkgmap-dev] Nearby POIs

Just a small note about the distance calculation - I get the following
message which suggests the message is slightly incorrect:

Removed nearby (<0 m) POI with type 0x013009 "" for element
http://www.openstreetmap.org/node/4073250218 at
http://www.openstreetmap.org/?mlat=53.068619&mlon=-2.110307&zoom=17

Cheers,
Mike

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