<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>G'Day Australian Mapper<br><br>Perhaps someone from Natural Resources Canada (the Federal mapping agency) could give a better answer, but my understanding is:<br><br>-
CanVec originated from the NTDB (National Topographic Database) which
is essentially the same data as is used for the (sometimes quite out of
date) 1:50 000 scale National Topographic Series maps. That is all
Federal data.<br><br>- GeoBase is an initiative which aims to reduce
duplication of work / costs by having Provinces (equivalent to Aus.
states) or other entities supply "best" data to the Feds.<br><br>Thus GeoBase would actually be an example of the left hand working in partnership with the right hand.<br><br>I believe CanVec is being updated with any better sources as they become available, e.g. National Roads Network (NRN)
gets migrated into new editions of CanVec.<br><br>I
believe there are many data themes that are in CanVec which are not in
GeoBase, and presumably never will be in GeoBase unless the initiative
is extended to include agreements for those themes.<br><br>If I have misunderstood anything I'd be delighted to be corrected.<br><br>Now, what is "CommonMap"? I had never heard of that until now. A quick web search gets me here:<br><span><a rel="nofollow" target="_blank" href="http://commonmap.info/w/index.php/Main_Page">http://commonmap.info/w/index.php/Main_Page</a></span><br><br>It
looks to me like it is a very similar concept to OSM, apart from
licensing perhaps. So it makes me wonder if we have a "left hand -
right hand" situation there?<br><br>John<br><br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Brendan Morley <morb.gis@beagle.com.au><br><b><span style="font-weight: bold;">To:</span></b> talk-ca@openstreetmap.org<br><b><span style="font-weight: bold;">Sent:</span></b> Fri, August 20, 2010 9:11:10 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [Talk-ca] Fwd: GeoBase vs CanVec<br></font><br>Also, I assume if I were to import GeoBase data into CommonMap, I should follow closely the rules implemented in <a href="http://svn.openstreetmap.org/applications/utils/import/geobase2osm/geobase2osm.py" target="_blank">http://svn.openstreetmap.org/applications/utils/import/geobase2osm/geobase2osm.py</a> ?<br><br><br>Brendan<br><br>On
21/08/2010 9:52 AM, Brendan Morley wrote:<br>> Hello Canadian mappers,<br>> <br>> Sam Vekemans suggested I ask the following here:<br>> <br>> What is the relationship between CanVec data and GeoBase data?<br>> <br>> To this layperson they seem to be two initiatives hosted by the same government that seem to have similar objectives. Almost like the left hand not talking to the right hand.<br>> <br>> Can anyone explain briefly the differences? For example, it seems to me that GeoBase is "closer" to the data authors, and CanVec feeds from that, and CanVec concentrates on having complete coverage at particular scales (like 1:50k).<br>> Am I on the right track?<br>> Is there a government document that goes into detail?<br>> <br>> My interest is to pick out the best bits to seed CommonMap with. I'm looking for accuracy and timeliness.<br>> <br>> <br>> Brendan<br>> <br>>
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