[Talk-ca] Data Quality and getting organised

[Sam Vekemans]

Thanks john,
lots of questions and comments, cool. :-)

i did make a request out for help on the wiki, but i guess that'll be
the november project now that the data is 'relitavely' organized. :-)

I'll work on a detailed reply, in the next couple days :)
(and fix the wiki with an extract)
Sam

p.s. Ya, i know diggin through the archives to see whats going on is a
daunting task :)


On 10/21/09, john whelan <jwhelan0112 at gmail.com> wrote:
> This is all red tape type stuff but as you get more complex so it
> starts to pay off.
>
> At the moment we seem to be importing the initial imports from
> Geobase.  To me that seems quite different from other parts of the
> world where the maps have to be built up by hand from GPS data.
>
> Could some one identify what is the most useful thing new people can
> do perhaps on the wiki page for Canada
> http://wiki.openstreetmap.org/wiki/WikiProject_Canada.  I get the
> impression we would like to limit roads etc being input to people with
> GPS devices and not only that but we'd prefer one that was WAAS
> capable or accurate to 3 meters rather than the 15 meter accuracy of
> the older devices.  Could we identify a map that has been imported and
> tagged so people can get an idea of what we are trying to do and the
> standards we are after?
>
> Whilst I don't especially like recommending one companies product over
> another it might be worth pointing out that if they'd like to purchase
> a GPS device then something like Garmin eTrex Legend HCx GPS would be
> ideal.  Being both WAAS, having ample memory and being highly
> sensitive.  Also there seem to be more projects that create Garmin
> maps than others at the moment.  Perhaps a pointer to the device on
> www.mec.ca / www.amazon.ca.
>
> There seems to be a need to "Trace" Ariel / Satellite  maps in the US
> using JOSH since they don't have the facility to do the import has we
> have so perhaps we could point people in this direction until we were
> ready for them to search out "Tim Hortons" and add them to the
> imported maps?
>
> To improve data quality might it be an idea to limit edits to Canadian
> maps for the moment until the import is done for a particular section
> then allow additional data to be added perhaps even some restrictions
> on what people can do initially unless they were "known" in some way?
>
> I note that Bikes lanes and bus stop data are being sort from two
> cities.  Could same sort of circular letter be created that would list
> the sort of data we would welcome from other cities?  Then get local
> volunteers to request this data?  I think it might be best to be able
> to go to the cites with an example of the map as it exists for their
> city perhaps after an import?
>
> That raises another issue that of writing scripts to do the imports.
> Currently we have one of two people with that skill is it documented
> anywhere so others could do a few?  This becomes especially important
> to cope with the sheer volume of data if we manage to extract data
> from the cites for bus stops, cycle lanes etc.
>
> Cheerio John
>
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