Excellent, but is the City of Winnipeg aerial imagery kosher for use with OSM? I was under the impression that the aside from the Transit Department, the city doesn't believe in open data. Are you using a WMS server to access it or downloading the images and loading them into JSOM?
Sam Dyck On 12/2/11, talk-ca-requ...@openstreetmap.org <talk-ca-requ...@openstreetmap.org> wrote: > Send Talk-ca mailing list submissions to > talk-ca@openstreetmap.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.openstreetmap.org/listinfo/talk-ca > or, via email, send a message with subject or body 'help' to > talk-ca-requ...@openstreetmap.org > > You can reach the person managing the list at > talk-ca-ow...@openstreetmap.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Talk-ca digest..." > > > Today's Topics: > > 1. Re-licensing -- a good excuse to rework some data. (Tyler Gunn) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 1 Dec 2011 20:56:27 -0600 > From: Tyler Gunn <ty...@egunn.com> > To: Talk-CA OpenStreetMap <talk-ca@openstreetmap.org> > Subject: [Talk-ca] Re-licensing -- a good excuse to rework some data. > Message-ID: > <capuij2uean4o-gnyeoclvx9vmc8gu0i-hxo1mybfd4esazu...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > I've noticed many people are worried about the pending purge of data > from users who has not agreed to the new terms. > > There was a large are in Winnipeg contributed by the user VReimer, who > has yet to agree to the new license. Further, there has been question > in the past where this user obtained the data, and whether it was > legit or not. > > So, as an example of what we can accomplish with a bit of effort, I > decided to replace the entire area bounded by St. Mary's Road to the > West, St. Anne's Road to the East, Bishop Grandin to the North, and > the Perimeter Highway to the South. > > I'm quite pleased with the results; the road network is smooth and > clean, even at high zoom levels, and best of all it's all legit: > http://www.openstreetmap.org/?lat=49.82032&lon=-97.096&zoom=15&layers=M > > I used a combination of: > - Bing imagery, which for the top half of the area was available in > VERY high resolution. Knowing that Bing is not always aligned well, I > used a combination of city of winnipeg Cadastral polygons (available > from Manitoba Lands Initiative), and the City of Winnipeg 50cm aerial > imagery, which is VERY well aligned to the cadastral data, to re-align > the Bing imagery. > - in the bottom half of the area, only the MLI aerial imagery was > available. Not as high resolution as Bing, but certainly decent. > - land use areas were derived by overlaying aerial imagery with the > cadastral polygons (showing individual lots and land parcels) , and > then combining them in Quantum GIS into the larger landuse blobs. > - the road network is 100% hand-drawn from re-aligned aerial imagery > - road attributes and surfaces are derived from my knowledge of the > area and the imagery. > - road names are copied from CanVec tiles. > > Let me know what you all think. > > Tyler > > > > ------------------------------ > > _______________________________________________ > Talk-ca mailing list > Talk-ca@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk-ca > > > End of Talk-ca Digest, Vol 46, Issue 2 > ************************************** > _______________________________________________ Talk-ca mailing list Talk-ca@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ca
