[OSM-talk-be] CRAB Import Tool

Marc Gemis marc.gemis at gmail.com
Tue Oct 22 03:36:28 UTC 2013


So you are going to write an algorithm that matching addresses in OSM with
addresses in Crab in order to add an id. Right now there are already
addresses in OSM that are not in Crab. The same might happen next year.
People might have added POIs with addresses. So you will always need an
address based matching algorithm. So there is no reason to add the Crab id
in OSM.

What do you mean by "Fix our data" ? Is Crab suddenly the holy grail ?
Their DB contains mistakes as well. I'm against a full automatic import.
I'm still in favor of the workflow that Ben proposes. Using a website to
download a street. Manually merging with existing data, drawing buildings,
merging or splitting buildings were needed. Who wrote a few days back that
house nodes without buildings are not so good (I'm not saying it was you) ?
An automatic import cannot prevent that.

It would be nice though to have something like Jo did for the busstops.
Have a table for mismatches between the OSM data and the imported data.
Such a list could be generated every year to see which data should be added
or updated

regards

m


On Mon, Oct 21, 2013 at 10:45 PM, Kurt Roeckx <kurt at roeckx.be> wrote:

> On Mon, Oct 21, 2013 at 10:06:03PM +0200, Kurt Roeckx wrote:
> > I really see no good reason not to add those IDs at this point.
> > I don't see the harm in them.  I can only see them being useful.
>
> I would actually want to propose a different import strategy:
> - Add the CRAB IDs to all existing addresses in Flanders
> - Import the rest or large parts of CRAB in one big import
>
> The first part would actually be the hard part, and would need
> to be done carefully.  It will probably require large parts to
> be checked manually.  We would probably first need to fix our
> existing data, which I think is useful to do anyway.
>
> Therefor it would be useful that if you're going to import data
> from CRAB that you don't complicate that and already import the
> IDs.  It should then be possible to combine both ways of importing.
>
> PS: Do we actually already have clearance to import this data?
>
>
> Kurt
>
>
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