[OSM-dev] Mapnik rendering problem (Trac ticket #313)

[Robert Hart]

Ideally, I'd add this to trac, but can't seem to log in at the moment.

I have some examples of ways that aren't rendered in the mapnik layer despite appearing on the osmarender layer and being perfectly valid on manual inspection. 

e.g.

James Street in Bath

Compare tiles:

http://tile.openstreetmap.org/16/32337/21829.png
http://dev.openstreetmap.org/~ojw/Tiles/tile.php/16/32337/21829.png

and snippet from .osm below.

The only thing I don't understand are the timestamps. Are they created time or modified time? The way in question was only tagged in January, but has been left alone since. There are other ways in Bath with this problem.

  <way id='167298' timestamp='2006-04-27 13:30:21'>
    <seg id='291920' />
    <seg id='333569' />
    <seg id='333561' />
    <seg id='21232986' />
    <seg id='333562' />
    <tag k='highway' v='unclassified' />
    <tag k='name' v='James Street' />
  </way>
  <segment id='291920' from='333086' to='333660' />
  <segment id='333569' from='333660' to='379926' />
  <segment id='333561' from='379926' to='25251960' />
  <segment id='21232986' from='25251960' to='379927'>
    <tag k='created_by' v='JOSM' />
  </segment>
  <segment id='333562' from='379927' to='379921' />
  <node id='333086' timestamp='2006-04-11 11:13:30' lat='51.3800182281377' lon='-2.36182798759546' />
  <node id='333660' timestamp='2006-04-11 11:12:04' lat='51.380240192165' lon='-2.36232843887061' />
  <node id='379926' timestamp='2006-04-11 11:13:31' lat='51.3804733889563' lon='-2.36282397060293' />
  <node id='25251960' timestamp='2007-01-15 19:21:15' lat='51.3806548084385' lon='-2.36351829140601'>
    <tag k='created_by' v='JOSM' />
  </node>
  <node id='379927' timestamp='2006-04-11 11:12:01' lat='51.3807433889563' lon='-2.36385730393626' />


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