[Talk-ca] Canadian data announcement: GeoBase Import

Yves Moisan yves.moisan at boreal-is.com
Tue Nov 18 20:31:54 GMT 2008


Richard,

Don't forget to drop a line to Michel Gilbert.  I know he has updated
geobase data using a Python script of his own.  Contact him offline
about it.

Yves

Le mardi 18 novembre 2008 à 14:07 -0500, Richard Weait a écrit :
> On Tue, 2008-11-18 at 10:31 -0700, Jason Reid wrote:
> > I did some initial prototyping of an import script (which is in the SVN 
> > repository) about a year or so ago that we can probably use as a 
> > starting point in going forward, the largest issues that I ran into then 
> > were in coming up with mappings of what goes to what, which varies per 
> > province. So in reality it isn't so much a single large dataset but 
> > rather 13 distinct imports for just the roads alone as each province and 
> > territory has their own classification system (what may be a officially 
> > considered secondary highway in one province may be a primary or 
> > tertiary in the neighboring and may not match up with the common OSM 
> > guidelines for any, for instance) that has been incorporated into the 
> > mappings that Geobase use in the data files.
> 
> Perhaps we can get started with the boundaries at GeoBase?  I don't
> think we have another source for them and so no conflicts when importing
> them.  
> 
> GeoBase also has aerial photography.  Depending on the location, it can
> be better resolution than the landsat and Y! images.  So perhaps one of
> the WMS folks will take a look at that too.  
> 
> Best regards,
> Richard
> 
> 
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