[Talk-ca] "Canada Data Import Status" was edited recently

Sam Vekemans acrosscanadatrails at gmail.com
Mon Sep 21 03:32:53 BST 2009


Thanks Steve,
Thats a much better explaination than i can provide :-)

cheers,
Sam

On 9/20/09, Steve Singer <ssinger_pg at sympatico.ca> wrote:
> On Sat, 19 Sep 2009, Frank Steggink wrote:
>
>> Sorry, I meant statscan. I'm not sure how to add the data. The wiki page
>> mentions "Download in shapefile format and use OpenJump to add road
>> names from Statscan", but I don't know how to accomplish that. Regarding
>> roads traced from Yahoo and other imagery: they're generally more
>> accurate than the Geobase data, so I'm not sure if that would be a good
>> idea.
>
> What I do with the statscan data is
>
> 1. Load the larger (ie province wide )shapefile into postgis with shp2psql
> 2. Generate a smaller shape file with something similar to the stored
> procedure listed ont he wiki page
> (http://wiki.openstreetmap.org/wiki/Geobase_NRN_-_OSM_Map_Feature#Road_Names_from_StatsCan)
> 3. Run RoadMatcher on the smaller GeoBase shapefile and the StatsCan
> shapefile
> 4. I then pass the road matcher result to geobase2osm with the -n option.
>
> If you need more details/help with any of these steps let me know where the
> gaps are and I can try to expand.
>
>
>
>> OK, so uploading the complete out.osm file is enough. I still have the
>> standalone and excluded files, and tried to keep them in sync with the
>> changes I made (after the initial upload and corrections), but I can't
>> guarantee they're still right. I wonder if, once new Geobase data is
>> available, it wouldn't be better to download the data from OSM. There is
>> a chance that new additions have already been surveyed and added to OSM.
>
> I feel the complete files are useful becaues it gives someone the geobase
> view of things.  I find the excluded files are only useful to point out
> areas where geobase might have missed roads or pointing out areas that
> likely need some manual attention.  If your giving manual attention to areas
> before you uplaod to OSM then having the excluded files might not be that
> valuable to someone else.
>
>
>>
>> Frank
>>
>>
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>>
>
>


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