[Qgis-user] "live" openstreetmap data in qgis

[Greg Troxel]

Robin Paulson <robin at bumblepuppy.org> writes:

> at the moment there are various ways to add openstreetmap data to
> qgis. as far as i can tell, they all rely upon downloading a
> .osm/obf/pbf file in some semi-automated way and importing it. none of
> the existing tools allow for any existing data to be deleted and
> replaced with the new.
>
> what i would like to do is add a "live" layer to my qgis projects,
> such that any data is periodically and transparently re-downloaded and
> updated. for those of you who are familiar with JOSM, this would be
> similar to the "continuos download" [sic] plugin for that software.

Two thoughts (and note that I don't use qgis yet, but do map for OSM):

  OSM resources can be somewhat easily overwhelmed, so some care in
  understanding the load put on servers is in order, unless you are
  talking about downloading from someplace outside of OSM that you're
  paying for access, etc.

  People sometimes import OSM into postgis, and then apply
  daily/hourly/minutely diff files to keep their database up to date.
  Doing this and having qgis operate from the live database seems like a
  plausible way to do what you want.  A local database could also
  support other uses such as tile generation.
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