[Talk-ca] More Google Copying
Sam Dyck
samueldyck at gmail.com
Mon Feb 22 01:51:33 GMT 2010
Yes, but we don't know for sure if the error (and all the other data) came
from that database.
On Sun, Feb 21, 2010 at 7:47 PM, Sam Vekemans
<acrosscanadatrails at gmail.com>wrote:
>
> http://geodepot.statcan.gc.ca/2006/180506051805140305/06180505162102/92-500-072305/2009001/qual-eng.htm
>
> *Elections Canada Geographic Database*
> In 1993, Elections Canada started to compile the Elections Canada
> Geographic Database, using data from the Street Network Files, National
> Topographic Database and Digital Chart of the World. Paper maps were created
> for areas not covered by the Street Network Files and were distributed to
> the Elections Canada returning officers, who added the road names with
> information from the field. Elections Canada updated the road network with
> new roads and added the road names but not address ranges.
>
> ...
> So it could have been from NTDB data origionally, but the road name could
> have been copied down wrong by the elections Canada officer. Where the
> purpose was really to just get 'a' roadname, as the actual statistics
> package was what they were after.
> ... and it appears that the data quality would also very across the
> country. In which case, sliding it to where the GeoBaseNRN says the roads
> are, would be the best bet.
>
> Cheers,
> Sam
>
>
>
> On Sun, Feb 21, 2010 at 5:21 PM, Sam Dyck <samueldyck at gmail.com> wrote:
>
>> Could someone check? StatsCan's website isn't working for me
>>
>> Sam
>>
>>
>> On Sun, Feb 21, 2010 at 7:17 PM, Sam Vekemans <
>> acrosscanadatrails at gmail.com> wrote:
>>
>>> Hi,
>>> Yup, i just sent off a nice message. Hopefully it will be recieved. I'll
>>> let you know if i get a responce back.
>>>
>>> On Sun, Feb 21, 2010 at 4:42 PM, Dan Putler <dan.putler at sauder.ubc.ca>wrote:
>>>
>>>> Could the data be from the StatsCan RNF? That would explain the geometry
>>>> being off, while having street names on the ways.
>>>>
>>>> Maybe?
>>> Then if that's true... then i think it's fine what the user is doing.
>>> Its still improving the map (from a blank map).
>>> Once the NRCan data is available, then more work is needed (for
>>> everywhere for all the features). But again it's to improve the map. So
>>> the fact that the geometry is off. We need to ask, how much off is it?
>>> ... if it's within 10meters, then it's still acceptable (as thats the GPS
>>> standard, when no other sources are available).
>>>
>>> Since GeoBase roads just has the basic linework is available. The
>>> solution would be to also convert the GeoBaseNRN data for Manitoba, then
>>> have the .osm files open in JOSM & adjust the OSM data to fit the GeoBase
>>> road network geometry.
>>> And the other solution is to be copying directly from the NRCan paper map
>>> sheets (available as PDFfiles). they just need to be alligned with some
>>> identifing points (the sheets have corner coordinates on it) and matched to
>>> JOSM points. (i used Garmin MapSource to make a waypoint at the exact
>>> corners of the sheet to get it lined up)
>>>
>>> A manual process, but if it's done by local people while adding more
>>> details, it shouldn't be that hard.
>>>
>>> Cheers,
>>> Sam
>>>
>>>
>>>> On Sun, 2010-02-21 at 16:34 -0800, Adam Dunn wrote:
>>>> > The NRN site confirms that names are not available in Manitoba (NRN
>>>> > for that province is on version 3) [1]. Sam, maybe you should send a
>>>> > nice email explaining that a blank map is better than an illegal one.
>>>> > This person has made edits to my hometown that I basically had to
>>>> > revert because the geometry was way off. Don't know what his source
>>>> > is...
>>>> >
>>>> > [1] http://www.geobase.ca/geobase/en/data/nrn/status.html
>>>> >
>>>> > Adam
>>>> >
>>>> > On Sun, Feb 21, 2010 at 4:03 PM, Sam Dyck <samueldyck at gmail.com>
>>>> > wrote:
>>>> > About an hour ago he/she was editing in Saskatoon, and has
>>>> > done a lot of work in Rural Manitoba to.
>>>> >
>>>> >
>>>> >
>>>> > On Sun, Feb 21, 2010 at 5:48 PM, Sam Vekemans
>>>> > <acrosscanadatrails at gmail.com> wrote:
>>>> > Not sure if this link works
>>>> >
>>>> http://www.itoworld.com/product/osm/map?area=1372:7&show=users&sort=total-&colour=date:30
>>>> > But you can see whats going on in the area..
>>>> > (or just log in and zoom to the area to find the
>>>> > mappers)
>>>> >
>>>> >
>>>> http://picasaweb.google.ca/lh/photo/Orkp7E40gO0fwyJ8AKlIZQ?feat=directlink
>>>> >
>>>> > Ya, it seems like alot of work has been done
>>>> > reciently.
>>>> >
>>>> > Cheers,
>>>> > Sam
>>>> >
>>>> >
>>>> > Twitter: @Acrosscanada
>>>> > Blog: http://Acrosscanadatrails.blogspot.com
>>>> > Facebook: http://www.facebook.com/sam.vekemans
>>>> > Skype: samvekemans
>>>> > OpenStreetMap IRC: http://irc.openstreetmap.org
>>>> > @Acrosscanadatrails
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > On Sun, Feb 21, 2010 at 3:36 PM, Sam Dyck
>>>> > <samueldyck at gmail.com> wrote:
>>>> > I did, Geobase doesn't even have the street
>>>> > and lacks street names in Manitoba. (at least
>>>> > this is the case in the viewer. The Geobase
>>>> > data in Winnipeg appears to be out of date by
>>>> > at least 14 years in some cases.
>>>> > But yes, a mapping party would be a good idea,
>>>> > any other Winnipegers on this list?
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > On Sun, Feb 21, 2010 at 5:18 PM, Sam Vekemans
>>>> > <acrosscanadatrails at gmail.com> wrote:
>>>> > Thanks for sharing.
>>>> > The user seems to be doing alot of
>>>> > great work.
>>>> > Did you cross-check with the GeoBase
>>>> > data?
>>>> > Im not sure what the spelling of it is
>>>> > in there.
>>>> >
>>>> > If anyone is in Winnipeg, perhaps a
>>>> > couch mapping party is needed?
>>>> >
>>>> > Cheers,
>>>> > Sam
>>>> >
>>>> >
>>>> > On Sun, Feb 21, 2010 at 3:05 PM, Sam
>>>> > Dyck <samueldyck at gmail.com> wrote:
>>>> >
>>>> >
>>>> > So I just got a job that
>>>> > involves entering addresses
>>>> > into Google Maps (don't ask),
>>>> > one of these streets, Drobot
>>>> > Place (all address in
>>>> > winnipeg), Google has either
>>>> > deliberately or accidentally
>>>> > named Drobol Place (here,
>>>> > compare Yahoo, Bing, City of
>>>> > Winnipeg Assesment, Google
>>>> > Street View (Needs Flash)).
>>>> > OSM makes the same mistake as
>>>> > Google, which leads me to
>>>> > beileve that the street and
>>>> > others were copied from
>>>> > Google. I really hate telling
>>>> > people that I caught them
>>>> > "cheating." (I'm sure it was
>>>> > an honest mistake) Could
>>>> > someone please contact the
>>>> > editor responsible (you can
>>>> > look him/her up, I don't want
>>>> > to name names. I would be
>>>> > willing to help with any
>>>> > followup and cleanup, and you
>>>> > can give them my username
>>>> > (sammuell) if you wish, I just
>>>> > can't bring myself to send a
>>>> > message explaining just how I
>>>> > caught them.
>>>> >
>>>> > Thanks
>>>> >
>>>> > Sam
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
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>>>> >
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>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
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>>>> >
>>>> > _______________________________________________
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>>>> --
>>>> Dan Putler
>>>> Sauder School of Business
>>>> University of British Columbia
>>>>
>>>>
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>>>
>>>
>>
>
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