[mkgmap-dev] Stuck on rendering a man_made = breakwater

Fri Oct 19 06:24:48 BST 2018

Hi Joris,

thanks for pointing this out, it was a bug introduced with r2472:
http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=2472

It is fixed with r4245:
http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4245

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <gpetermann_muenchen at hotmail.com>
Gesendet: Donnerstag, 18. Oktober 2018 22:02
An: Joris Bo; Development list for mkgmap
Betreff: Re: [mkgmap-dev] Stuck on rendering a man_made = breakwater

Hi Joris,

sorry, forget that. The main question is why the tag mkgmap:stylefile=polyline is set. Since this is set the polygon rules are not executed
for the object. Setting mkgmap:stylefilter in the lines style file has no effect.
In this case the SeaGenerator processes the natural=coastline tag and sets the tag mkgmap:stylefilter=polyline.
If I got it right it creates a copy of the way with a faked id, so your rules will not report this.
The added way should have tag mkgmap:removed_natural=coastline.
Maybe that helps?

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <gpetermann_muenchen at hotmail.com>
Gesendet: Donnerstag, 18. Oktober 2018 21:51
An: Joris Bo; Development list for mkgmap
Betreff: Re: [mkgmap-dev] Stuck on rendering a man_made = breakwater

Hi Joris,

maybe you have a rule in the lines file that processes the way and doesn't have the continue statement.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Joris Bo <jorisbo at hotmail.com>
Gesendet: Donnerstag, 18. Oktober 2018 20:49
An: Development list for mkgmap
Betreff: [mkgmap-dev] Stuck on rendering a man_made = breakwater

Hello,

I’m trying to render a man_made  = breakwater polygon area and are struggling for a long time.
I think it is a polygon (mkgmap:cache_area_size=5643.060) and should also be processed that way but for whatever reason it never passes the polygon rules only the lines-rules. So I can get a closed line around it but cannot fill it.
The geofabric download is from today.
https://www.openstreetmap.org/#map=15/52.9444/5.0429

First I thougt it’s because the combination with natural = coastline and the precomp-sea option.
At least removing the natural = coastline tag does not help
I also tried to set set mkgmap:stylefilter = polygon within the lines file, hoping I could fool it to continue with the polygon rules
But as far as I can see it never gets there.

Lines file
jbecho = true {echotags 'Line before breakwater'}
#man_made = breakwater & natural = coastline { delete natural }
man_made = breakwater & natural = coastline & is_closed()  = true { set mkgmap:stylefilter = polygon }
jbecho = true {echotags 'Line after set stylefilter test to polygon'}
man_made = breakwater & is_closed() != true & area != yes                                [0x10a14 resolution 22 continue]
jbecho = true {echotags 'Line after breakwater'}

My lines rules file starts with
man_made = * & osmid() = 53546926 {set jbecho = true}
jbecho = true { echotags 'debug - lines - body start' }

My polygon rules file starts with
man_made = * & osmid() = 53546926 {set jbecho = true}
jbecho = true { echotags 'debug - polygons - body start' }

The logging
Way 53546926 [jbecho=true, man_made=breakwater, mkgmap:cache_area_size=5643.060, mkgmap:stylefilter=polyline, natural=coastline, place=islet] debug - lines - body start
Way 53546926 [jbecho=true, man_made=breakwater, mkgmap:cache_area_size=5643.060, mkgmap:stylefilter=polyline, natural=coastline, place=islet] Line before breakwater
Way 53546926 [jbecho=true, man_made=breakwater, mkgmap:cache_area_size=5643.060, mkgmap:stylefilter=polygon, natural=coastline, place=islet] Line after set stylefilter test to polygon
Way 53546926 [jbecho=true, man_made=breakwater, mkgmap:cache_area_size=5643.060, mkgmap:stylefilter=polygon, natural=coastline, place=islet] Line after breakwater
Way 53546926 [jbecho=true, man_made=breakwater, mkgmap:cache_area_size=5643.060, mkgmap:stylefilter=polygon, natural=coastline, place=islet] debug - lines - body end

So it never gets to the polygon rules file where I think it should go
Could somebody hint me what I’m doing wrong?

Kind regards,
Joris

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