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Pedestrian area on top of building despite use of layers #3097

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openstreetmap-trac opened this issue Jul 23, 2021 · 9 comments
Closed

Pedestrian area on top of building despite use of layers #3097

openstreetmap-trac opened this issue Jul 23, 2021 · 9 comments

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@openstreetmap-trac
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Reporter: tom[at]acrewoods.net
[Submitted to the original trac issue database at 12.21pm, Wednesday, 30th June 2010]

In this example there is a building (Peckham library) marked as a building and "layer=1", overlapping with a highway=pedestrian area marked with "layer=-1" just to be doubly sure. But the pedestrian area is drawn on top of the building.

http://www.openstreetmap.org/?lat=51.474283&lon=-0.06924&zoom=18&layers=B000FTF

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Author: HolgerJeromin
[Added to the original trac issue at 12.28pm, Monday, 5th July 2010]

Same with http://www.openstreetmap.org/?lat=50.774143&lon=6.086993&zoom=19
It was "corrected" with the pedestrian cut with the shape of the building. But this is wrong, since the building is "open" (http://de.wikipedia.org/wiki/Datei:Aachen_elisenbrunnen_blau.jpg) and an pedestrian area.

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Author: tom[at]acrewoods.net
[Added to the original trac issue at 12.35pm, Monday, 5th July 2010]

Ah yes, just to clarify that in the example I have the building overhangs the pedestrian area, so I don't want to cut out a chunk of the pedestrian area and the building should be drawn on top. See this photo:

http://en.wikipedia.org/wiki/File:DSCN4087.JPG

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Author: Ldp
[Added to the original trac issue at 3.19pm, Saturday, 19th March 2011]

Fixed a while ago.

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Author: david[at]frankieandshadow.com
[Added to the original trac issue at 4.27pm, Friday, 30th December 2011]

I don't think this is fixed, or if it is it is broken again now; or I suspect it may be somewhat random or sensitive to order in which objects are received for rendering.

Robinson College's main building in Cambridge [1] is complicated. It has a set of walkways and courtyards at various levels on top of part of the building [2] with the rest of the building rising around them.

I tried doing the pedestrian areas as
highway=pedestrian; area=yes; layer=1; ...
but that didn't render anything other than the casing. So I tried removing the area=yes, but that didn't help.

This is puzzling because Harvey Court[3] is similar (in this case the raised pedestrian area [4] is a multipolygon though). This doesn't have area=yes. It render correctly.

[1] http://www.openstreetmap.org/browse/way/12390499

[2] e.g. http://www.openstreetmap.org/browse/way/143413305

[3] http://www.openstreetmap.org/browse/way/137029318

[4] http://www.openstreetmap.org/browse/way/137029320

@openstreetmap-trac
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Author: david[at]frankieandshadow.com
[Added to the original trac issue at 5.49pm, Friday, 30th December 2011]

Replying to [comment:4 david@]:

So I tried removing the area=yes, but that didn't help.

Sorry, I meant removing the layer=1. area=yes is clearly necessary.

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Author: Seoman
[Added to the original trac issue at 9.42am, Monday, 2nd January 2012]

Info: Might be connected to or double of #3966

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Author: math1985
[Added to the original trac issue at 2.41am, Saturday, 29th March 2014]

Is this issue still relevant?

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Author: tom[at]acrewoods.net
[Added to the original trac issue at 10.11am, Monday, 31st March 2014]

My original example is fixed, so it doesn't look like it is still relevant.

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Author: math1985
[Added to the original trac issue at 12.34am, Monday, 7th April 2014]

Ok, so I'm closing this issue.

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