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Bridges over bridges #2321

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openstreetmap-trac opened this issue Jul 23, 2021 · 2 comments
Closed

Bridges over bridges #2321

openstreetmap-trac opened this issue Jul 23, 2021 · 2 comments

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@openstreetmap-trac
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Reporter: david[at]frankieandshadow.com
[Submitted to the original trac issue database at 11.18am, Sunday, 27th September 2009]

A bridge crossing another bridge does not render correctly.

Two example cases (which may be different problems):

  1. http://www.openstreetmap.org/?lat=52.329616&lon=-0.192356&zoom=17&layers=B000FTFTTTT&mlat=52.32974&mlon=-0.19236
    The A14 is layer 2 (both parts), the B road is layer 1 and the railway is implicitly layer 0. The casement on the A14 forms a cross with the B road (both times), rather than continuing across the bridge cutting across the B road (for reference, osmarender does this correctly)

  2. http://www.openstreetmap.org/?lat=52.2201435&lon=0.156417&zoom=18&layers=B000FTFTTTT&mlat=52.22002&mlon=0.15641
    The river(bank) is layer 0 implicitly, the cycleway is a bridge out over the river on layer 1 and the railway crosses the cycleway and the river on layer 2. But the cycleway is rendered over the railway. (The tagging is correct - here's a picture of the situation: http://cambridge.cyclestreets.net/location/10368/).

@openstreetmap-trac
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Author: Ldp
[Added to the original trac issue at 6.04pm, Sunday, 27th September 2009]

Yep, plenty of examples in previous tickets.

It's known, it's being worked on, but it's tricky and requires a good overall solution.

@openstreetmap-trac
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Author: Ldp
[Added to the original trac issue at 5.54pm, Saturday, 21st May 2011]

(In r26009)

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