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Clicking "Hide areas" on the data panel breaks the slippy map ending up at NaN zoom #4947

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openstreetmap-trac opened this issue Jul 23, 2021 · 4 comments
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Clicking "Hide areas" on the data panel breaks the slippy map ending up at NaN zoom #4947

openstreetmap-trac opened this issue Jul 23, 2021 · 4 comments
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Component: website Priority: minor Resolution: fixed Type: defect

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Reporter: Deanna Earley
[Submitted to the original trac issue database at 1.04pm, Tuesday, 13th August 2013]

Looking at some data around Botley (http://www.openstreetmap.org/#map=18/50.91446/-1.27131&layers=N) I zoomed in, enabled the data panel, clicked "Hide areas", after which, the vector data wouldn't be shown, any attempt to zoom failed, and on a refresh, the map view stayed blank.
The cookie had a coordinate of NaN stored.
To recover, I had to use the "current location" button.

This was reproducible 3 times in a row on IE9 on Windows 7, but does not occur on IE10 on Windows 8.

I'll confirm again and get exact step when I'm next on that machine.
@openstreetmap-trac openstreetmap-trac self-assigned this Jul 23, 2021
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Author: pnorman
[Added to the original trac issue at 9.02pm, Tuesday, 13th August 2013]

Confirmed on IE 9.0.8112.16421 with update versions 9.0.18 on a just updated Windows 7. No attempt to diagnose, just confirming.

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Author: Deanna Earley
[Added to the original trac issue at 9.04pm, Tuesday, 13th August 2013]

Seems to work OK on IE10 on Win7 too.

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Author: Deanna Earley
[Added to the original trac issue at 8.41am, Thursday, 15th August 2013]

Just tested again with a much simplified:

  1. visit this URL: http://www.openstreetmap.org/#map=19/50.91423/-1.33659&layers=D
  2. Press "Hide areas"

After this, it shows the updated list of objects, but no outlines.
Attempting to pan changes the scale to sub 1metre/1foot, and the anchor text disappears.
Zooming then "loses" the tiles.
Panning again then changes the scale to 3000000km/2000000miles.
Refreshing at this point leaves it at the same scale with still no tiles.

Looking at the cookies, _osm_location has a value of "-180%7C-90%7CNaN%7CMD"

The page is being rendered in IE9 standards mode.

This is all reproducable on demand using IE 9.0.8.8112.16421, with update KB2846071 (9.0.18) On Windows 7 Service Pack 1.

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Author: TomH
[Added to the original trac issue at 11.32pm, Thursday, 15th August 2013]

Fixed by John in [changeset:c919340/rails].

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