and so... I'm happly working on all 3 projects :)
and of course, following the licence turms for each project. .... hence, why i am only mapping the abandond railway line routes & most recommended routes across Canada. ....'cause all i want is to use the best basemaps available... to make my wikiMap Books ... all for free. so i'm able to help out where i can :) cheers, sam vekemans Across Canada Trails On 8/20/10, Brendan Morley <[email protected]> wrote: > On 21/08/2010 10:46 AM, JOHN SMART wrote: >> G'Day Australian Mapper >> >> Perhaps someone from Natural Resources Canada (the Federal mapping >> agency) could give a better answer, but my understanding is: >> >> - 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 out of date) 1:50 000 scale National Topographic Series maps.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. >> >> - 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. >> >> Thus GeoBase would actually be an example of the left hand working in >> partnership with the right hand. > > So it seems like CanVec is a top down approach (originally built on > national scale acquisition approaches) and GeoBase is a bottom up > approach (originally built from local government property tax / parcel > surveying approaches)? > >> >> 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. >> >> 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. >> > So perhaps I can adopt a "try GeoBase first, CanVec second" approach? > >> If I have misunderstood anything I'd be delighted to be corrected. >> >> Now, what is "CommonMap"? I had never heard of that until now. A quick >> web search gets me here: >> http://commonmap.info/w/index.php/Main_Page >> >> 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? >> > > We're a bunch of people (now incorporated) dissatisfied with the OSMF > licence change, to the point where we realised the Share Alike provision > actually isn't a good fit for us at all. (There is also a different > fork in the works for those who believe in -SA but are happy with > today's OSM licence.) From my own perspective I don't mind having my > contributions used anywhere, and I want to build roundtripping > opportunties with traditional mapping agencies. Both of which OSM is > limiting by design. > > Mind you, one hand (CommonMap) will be able to talk to the other hand > (OpenStreetMap) because our CC BY / PD licence is compatible with CC > BY-SA. It's just that the other direction is not allowed by the -SA > provision. > > > Brendan > -- Twitter: @Acrosscanada Blogs: http://acrosscanadatrails.posterous.com/ http://Acrosscanadatrails.blogspot.com Facebook: http://www.facebook.com/sam.vekemans Skype: samvekemans IRC: irc://irc.oftc.net #osm-ca Canadian OSM channel (an open chat room) @Acrosscanadatrails _______________________________________________ Talk-ca mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-ca
