[mkgmap-dev] one correction of default points style and a suggestion for lines

Fri Dec 3 10:30:44 GMT 2021

Hi

When the emergency phone issue cropped up earlier in the year I removed
amenity=emergency_phone from my style but decided not to add
emergency=phone because there are lots and lots of them with very
specific purposes, totally relevant to the location, probably visible
or signed at the point of need. Hence showing on a map causes clutter
for no good reason. There might be some countries and/or types of
emergency phone where this isn't true.

Regarding roundabouts:

The typ 0x0c invokes special roundabout handling for routing
instructions - eg "take the 3rd exit" rather than (for drive on left),
"turn left" then "turn left".

The default style handles 3 variants of highway=service giving them
different speeds and resolution.

The problem of line thinness and roundabouts is handled for other
highway types by the double entries with continue just above. Equal
resolution is good when down to this level, equal road_class is
necessary, but maybe drop the road_speed down to 0.

Ticker 

On Fri, 2021-12-03 at 10:54 +0100, 7770 at foskan.eu wrote:
> Hi.
> 
> Havind the emergency=phone separate from amenities sounds good.
> For the junction and roundabout, i agree and point taken.
> 
> Can send updates later today.
> 
> Regards
> Karl
> 
> 2021-12-03 08:53 Gerd Petermann wrote:
> 
> > Hi Karl,
> > 
> > interesting, taginfo shows 0 occurences for
> > amenity=emergency_phone:
> > https://taginfo.openstreetmap.org/keys/amenity#values
> > I guess this was different when the line was added in 2011. See
> > e.g. https://www.openstreetmap.org/changeset/43747775
> > I would not want to place the rule
> > emergency=phone [0x2f12 resolution 24 default_name 'Emergency
> > Phone']
> > within the block of rules for amenity. Let's simply remove the
> > wrong one and add the new after that block.
> > 
> > reg. roundabout:
> > I wonder why you don't want to add the line
> > junction=roundabout & highway=service [0x07 road_class=0
> > road_speed=1 resolution 23]
> > 
> > Gerd
> > 
> > ________________________________________
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> > von 7770 <7770 at foskan.eu>
> > Gesendet: Donnerstag, 2. Dezember 2021 21:31
> > An: mkgmap-dev at lists.mkgmap.org.uk
> > Betreff: [mkgmap-dev] one correction of default points style and
> > a      suggestion for lines
> > 
> > Hi.
> > 
> > Some time ago i ran into the mistake of tagging emergecy_phone as
> > it is given
> > in the default example style  ./mkgmap-
> > r4818/examples/styles/default/points
> > on line 148:
> > amenity=emergency_phone [0x2f12 resolution 24 default_name
> > 'Emergency Phone']
> > 
> > The correct tagging is however:
> > emergency=phone [0x2f12 resolution 24 default_name 'Emergency
> > Phone']
> > 
> > I have therefor updated this and i am attaching a suggested points
> > file.
> > I have done the following:
> > 1. add a comment on line 148 that the above tagging is incorrect.
> > 2. the original line is pushed one line down to 149 and commented
> > out.
> > 3. a new line 150 is added with the new tagging.
> > 
> > 
> > I checked most of Nordic countries and Baltic countries, there were
> > none
> > incorrectly tagged emergency phones, i havn't checked the rest of
> > the world,
> > but it seems that mistakes should be rare.
> > 
> > If you dont mind and if you feel for it, feel free to add the
> > changes into the
> > default example style.
> > 
> > 
> > 
> > 
> > Secondly i have noted  that in the example lines file
> > ./mkgmap-r4818/examples/styles/default/lines
> > on line 123-143, the section about junction=roundabout, it would be
> > good to
> > add the following one line on line 143, and push the current line
> > to 144.
> > junction=roundabout & (service=alley | service=driveway) [0x07
> > road_class=0
> > road_speed=1 resolution 23]
> > 
> > The reason for this suggestion is because of line 198 (or 199 after
> > the above
> > addition):
> > highway=service & (service=alley | service=driveway) [0x07
> > road_class=0
> > road_speed=0 resolution 23]
> > 
> > The combination of these will make sure that roundabouts and
> > highways that are
> > marked:  highway=service & (service=alley | service=driveway) and
> > can be
> > connected to each other are drawn at the same resolution and with
> > the same
> > 0x07 type.
> > Otherwise the roundabout is becoming much larger and visible before
> > the
> > connecting street/road.
> > 
> > I am attaching an updated lines file as well and again if you dont
> > mind and if
> > you feel for it, feel free to add the changes into the default
> > example style.
> > 
> > 
> > Regards
> > Karl
> > _______________________________________________
> > mkgmap-dev mailing list
> > mkgmap-dev at lists.mkgmap.org.uk
> > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > 
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