[OSM-dev] Navigation vs maps, connectivity, and OSM data
bsupnik at xsquawkbox.net
Tue Oct 30 21:20:58 GMT 2007
I apologize in advance if I am stirring up a hornets nest that has
already been kicked a few times before...and for the long intro...
I work on the default scenery for X-Plane, a flight simulator. We are a
small commercial company with an active user base. We use GIS data to
build the default scenery, including TIGER and VMAP0 vector data to
construct road grids.
Some users pointed me back to OSM as a source for improved vector data
compared to VMAP0. It occurred to me that OSM also already has the
infrastructure to manage collective editing and integration of a road
grid, something our users want to participate in. (I get "can I fix the
roads near XX and send it back to you" a lot, but we don't have a way to
let users do this with revision and merge control right now.)
I have looked at the data model and I/O code for JOSM, as well as the
specs for the mapping data in XML and it all looks like stuff we can
work with. But today I finally got to looking at actual vectors in JOSM
and found a lot of duplicate/overlapping segments - it looks like in
some cases GIS data has been imported directly on top of hand-made
mapping data, potentially without removing the underlying segments.
There also isn't necessarily directional data for the segments (not
surprising considering the source in some cases).
So...my stupid newbie questions is: is it a goal of the OSM project to
create a map that can be used for route planning, or only to create a
map that describes where there is pavement on the ground? (In other
words, do the duplicate segments represent an editing job that needs to
be done or an acceptable set of map data?) Or perhaps there isn't a
project-wide standard for these things?
Thanks for your time!
Scenery Home Page: http://scenery.x-plane.com/
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