Thank you some meaningful numbers on mappers at
least which was not immediately apparent. So it looks as if we'll
just have to wait until the mess gets straighten out.
I found two on OSM, one wasn't active and the other, Marc Sensei,
didn't respond. My premise of just dropping in
the Geobase data was based on the fact I could only identify two other
Ottawa mappers. So it look as if not much had been done so far
especially on the GPS side. Thus doing the job quickly would save any
more effort until we ended up with the clean map.
Since where ever the Geobase import and the OSM data meet there is a
clean up to be done it appeared that given the apparent resources (two
people) the job would be faster to just drop in the Geobase thus
minimise the boundaries. As it is it looks as if the area of up to 100
meters will need to be checked for omissions, joins etc.
Then the idea was given a decent set of roads to leverage some of the
groups I come across on the planning side to add tags. I don't think
the Ottawa OSM map is mature enough to suggest it to them at this point
in time with its missing segments of roads etc. Perhaps in a couple of
years when its straighten out.
Bye the way someone made a comment that I'd only mentioned two items
being over 100 meters off. It's now at least three and they were off
in different directions. All were in locations with clear sky above, I
assume they were satellite tracings.
Cheerio John
Richard Degelder wrote:
My initial mail seems to have been truncated and hopefully
this will be better
A quick look at the number of mappers that have contributed to the map
of Ottawa shows that there are a lot of individuals and that excludes
the rather minor contribution from the GeoBase import. At least some
of the people that contributed to the map do not live in the Ottawa
area but that does not preclude their visiting and adding to the map.
I am also not sure what tools they used to find the streets and POI but
at least with some of them I fully trust their capacityto produce very
high quality work.
>From January 01, 2009, which is after the GeoBase import started in
Canada but before the Ottawa area was done, there have been 24
individuals that contributed to the map in and around central Ottawa.
Of those 15 have made contributions since at least June 01, 2009. Even
since September 01, 2009 there have been 8 people that have made
contributions towards the map of Ottawa.
Looking further at those individuals that have contributed to the
Ottawa map since January 01, 2009, and this is for the aggregate totals
of all of their contributions in the area, the totals range from a
single contribution to over 620 total contributions.
The source of this data can be found within ITOWorld http://itoworld.com
and look at the data for OSM. The site requires registration but does
provide a great deal of data about changes to an area and the data
within that area.
Wiping out the contributions made by all of these people is going to
destroy a great deal of work. And I am pretty sure that a great deal
is of good quality as well.
Richard
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