[Geocoding] [OpenStreetMap] #4600: blank/partial map

[OpenStreetMap]

#4600: blank/partial map
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  Reporter:  porjo      |      Owner:  geocoding@…
      Type:  defect     |     Status:  new
  Priority:  minor      |  Milestone:
 Component:  nominatim  |    Version:
Resolution:             |   Keywords:
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Comment (by TomH):

 Yes I looked at this last night on the main site and I'm pretty sure it's
 an OpenLayers bug. My best guess is that it relates to this code:

 https://github.com/openlayers/openlayers/blob/master/lib/OpenLayers/Layer/Grid.js#L469

 which as you can see from the comment is supposed to force a retile when
 you warp from one side of the world to another.

 What you will see if you look at a failed case is that the tiles are
 positioned at massively crazy offsets in the back buffer - hundreds of
 thousands of percent and things. Zooming out or changing window size will
 cause a retile and fix it.

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Ticket URL: <https://trac.openstreetmap.org/ticket/4600#comment:3>
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