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Hi,

We're using OpenStreetMap to display a map on a big screen (http://www.openstreetmap.org/#map=5/46.890/-72.664&layers=Q).

There is a big white block on the map at zoom level 5. Is there a fix or workaround for this?

Update: alt text

asked 15 Jan '15, 17:46

scottas's gravatar image

scottas
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accept rate: 0%

edited 17 Jan '15, 19:44

aseerel4c26's gravatar image

aseerel4c26 ♦
32.6k18248554

1

Can you add a screenshot of what you see there? I don't see a big white block - I'm guessing that perhaps a tile failed to load or something. Also, the "Q" at the end of the URL says that you're using MapQuest's tiles, so OpenStreetMap itself isn't directly involved :)

(15 Jan '15, 17:49) SomeoneElse ♦

Screenshot added. Ah I see - so this is an issue with MapQuest? Still I can't seem seem to re-produce the issue on open.mapquest.ca.

(15 Jan '15, 17:53) scottas
1

The tile in question is http://otileX.mqcdn.com/tiles/1.0.0/osm/5/8/11.png (where X is 1-4). All 4 tiles look OK to me in the UK, and the same tile via the 4 https addresses looks OK too.

(15 Jan '15, 17:59) SomeoneElse ♦

Interesting. Seeing this on 3 different devices on two different networks here (east coast of Canada). This link shows the white tile for me: http://otile4.mqcdn.com/tiles/1.0.0/osm/5/8/11.png .

(15 Jan '15, 18:05) scottas
2

Hi, got got white tiles too (in France), but not the same ! I purged the cache of my browser, refreshed the page and got the same white blocks. Same thing with Firefox & Iexplore. Every one of 5 tiles is white.

(15 Jan '15, 20:33) DF45

The cause of this issue is a quirk where tiles get created without terrain or vegetation. More information can be found at http://developer.mapquest.com/web/products/forums/-/message_boards/message/1068447#_19_message_1095051

Because there is a content delivery network (CDN) in use, different people may see the bug differently.

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answered 16 Jan '15, 02:16

pnorman's gravatar image

pnorman
2.4k52140
accept rate: 18%

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question asked: 15 Jan '15, 17:46

question was seen: 4,561 times

last updated: 17 Jan '15, 19:44

NOTICE: help.openstreetmap.org is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum