[Talk-ca] OSM GeoBase import project.

[Michel Gilbert]

2008/12/25 James Ewen <jewen at shaw.ca>

> On Thu, Dec 25, 2008 at 12:46 PM, Steve Singer <ssinger_pg at sympatico.ca>
> wrote:
> > > Are these people actively
> > > working with each other, and perhaps others with other skills to bring
> > > to the table somewhere in a dark office somewhere? Or perhaps is there
> > > no progress being made towards completion of this task?
> >
> > I think some progress is being made, probably by individuals when they
> have
> > spare cycles to devote to this.
>
> I have seen some output from some of these people, so there is
> progress of some type, but is there a consensus or at least some type
> of structure in place between these individuals so that there is no
> duplication of effort?
>
> > > Compile a list of datasets that are to be imported into OSM.
> > > Create a set of attributes that need to be attached to each dataset
> entry.
> > > Create scripts or whatever to convert the GeoBase data into OSM format.
> > > Get after making the import happen.
> >
> > Review the wiki pages under
> > http://wiki.openstreetmap.org/wiki/GeoBase_Import, some of this has been
> > started.  Particularly for the political boundaries, NRN and NHN.  The
> > attribute mappings could probably use some more attention.
> >
> > Michel sent a link to a .osm file he generated with the poltical
> boundaries.
> > I'm unsure what needs to happen to take this to the next step.
> >
> > There is an initial geobase2osm script for the road network  in the OSM
> SVN
> > repository, I've been working on a few enchancments to it but it still
> needs
> > more work before we start importing samples and we have some open
> questions as to how we want to
> > represent some things in OSM.
>
> So, some of it is happening, but according to the wiki we should be
> discussing it here. You're pointing me to the wiki for the discussion.
> I would think that a little more discussion would be better. Sam's
> been doing all the discussing, with an occasional interjection here
> and there from others.



> If someone is working on a script to convert GeoBase data to OSM
> format, a quick note dropped here would let others know, and perhaps a
> couple of people sharing ideas could bang out a workable script in a
> shorter time frame. I know I can get stuck on projects, but a quick
> chat with another person, and suddenly that blockade goes away...


I used FME to prepare Geobase import. I created an osm political boundaries
with Geobase data using proposed tags I listed on the wiki. I could have
uploaded the result. However, I have been waiting for comments ...When we'll
agree on import methods and the mapping of geobase attributes as osm tags I
could work with fme to prepare some imports.

>
>
> BTW, I notice that snowshed has been tagged as being equivalent to an
> OSM tag of bridge:snowshed. It would be more appropriately converted
> to tunnel:snowshed, as snowsheds are covered structures that may or
> may not be open on one side, protecting the roadway from avalanches.
> Much more like a tunnel than a bridge.
>

The idea of putting the proposed osm tags for Geobase data on the wiki is to
agree on a final list of tags. I am glad to receive the first comment. I
think your right, by definition snowshed is a tunnel. I would like to see
other contributions on OSM Map Features.


>
> There are a few features that we'll have to get after the OSM
> foundation to support... Winter roads are a major concept that needs
> to be implemented. There are a number of roads that only exist after
> freeze up around here. It will be interesting to see a roadway
> rendered that simply passes from land to water with no bridges or
> ferries or such. It would make some of those southerners scratch their
> heads!


>
> James
> VE6SRV
>
>
>

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