Changeset: 42633517
Addresses in ottawa
Closed by LogicalViolinist
Tags
created_by | JOSM/1.5 (10966 en) |
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source | City of Ottawa |
Discussion
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Comment from ajashton
There seem to be a lot of issues with this data. Many of the addresses duplicate data that was already in OSM. In other cases this one changeset includes redundant data. For example, you added 4 nodes for this 1 address:
http://www.openstreetmap.org/node/4431044818
http://www.openstreetmap.org/node/4431044819#map=19/45.26627/-75.93767
http://www.openstreetmap.org/node/4431044820
http://www.openstreetmap.org/node/4431044821Same for many other addresses in that area.
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Comment from LogicalViolinist
You can thank Ottawa for that. We are currently working on a project with Statistics Canada (http://wiki.openstreetmap.org/wiki/WikiProject_Canada#Crowdsourcing_buildings_with_Statistics_Canada)
We needed to add addresses and building footprints. Our second pass (after adding addresses(from Ottawa) and building foot prints(from Ottawa)) is to merge both together.
Example:
http://www.openstreetmap.org/changeset/42916632
and
http://www.openstreetmap.org/changeset/42915900
Their project is going live the 17th of October and could possibly be very beneficial to the OSM community as it will ask the community to add building details such as building levels and other useful attributes. Please be patient while we are actively adding this data in anticipation of receiving crowd sourced data. This is a pilot project. If we do other cities, it will be much more organized and with better data. -
Comment from ajashton
The information at this wiki link (http://wiki.openstreetmap.org/wiki/WikiProject_Canada#Crowdsourcing_buildings_with_Statistics_Canada) is extremely sparse - is there more complete process documentation somewhere? The same import deleted hundreds of buildings I mapped by hand in Stittsville and I don't see a significant increase in quality from the Ottawa data. The usual import process would have been to keep or update the existing features rather than clearcutting.
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Comment from LogicalViolinist
Ottawa's building traces are more accurate and are more accurately aligned instead of aligning to Bing. Statistics Canada is supposed to be the ones responsible for the documentation
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Comment from scruss
… which doesn't mean you can go ahead before it's written and agreed.
Nodes (1-20 of 20534)
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