[Imports] Toronto building Import

John Whelan jwhelan0112 at gmail.com
Sun Apr 5 17:22:42 UTC 2020


This is using open data licensed through the Canadian Federal Government 
Open Data license which has been approved by the legal working group.

Cheerio John

Nate Wessel wrote on 2020-04-05 12:12 PM:
>
> Hello Imports list,
>
> I am proposing an import of ~57,000 buildings in Toronto, Ontario.
>
> About a year and a half ago, there was an import process begun for 
> building footprints across most of Canada. That effort made rapid 
> progress in Ontario before being halted due to disputes about data 
> quality, lack of prior discussion, and other issues. Hundreds of 
> thousands of buildings in Toronto were imported at the time, though 
> substantial gaps in coverage still remain. The goal of this import is 
> to fill those gaps within the City of Toronto, using data from the 
> same source as the original import.
>
> I believe all of the issues that got in the way of the initial effort 
> have been addressed by this import plan, including:
> 1. broader discussion and consensus building with the local community 
> prior to import
> 2. using smaller, more manageable tasks
> 3. simplifying geometries before import
> 4. having a manageable plan for orthogonalizing buildings
> 5. not overwriting user-contributed buildings by default (i.e. 
> importing only non-conflated buildings)
>
> The import plan is documented on the wiki: 
> https://wiki.openstreetmap.org/wiki/Toronto_building_import
> and a tasking manager has been set up for the project: 
> http://tasks.osmcanada.ca/project/175
>
> Please let me know if there are any remaining issues with the plan, 
> reasons why it shouldn't proceed, areas needing better documentation, 
> etc.
>
> Best,
>
> -- 
>
> Nate Wessel, PhD
> Planner, Cartographer, Transport Nerd
> NateWessel.com <https://www.natewessel.com>
>
>
>
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> Imports at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/imports

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