[Talk-ca] Building Import

James james2432 at gmail.com
Tue Mar 26 17:20:52 UTC 2019


If you could share the workbench it would be greatly appreciated.

Thanks

On Tue., Mar. 26, 2019, 1:11 p.m. Begin Daniel, <jfd553 at hotmail.com> wrote:

> Hi Jarek,
> There is actually no standard “code” available since I use FME (
> www.safe.com). It is a proprietary ETL application and all operations are
> done using “transformers” (https://www.safe.com/transformers/). I can
> provide you with the workbench I developed (a bunch of linked transformers)
> but you need a license to run it. This is why I tried to describe the
> operations I run on the data in the wiki.
>
> As you did, people may send me coordinates (bounding box) of an area they
> know well. I’ll process the area and send the results back in OSM format.
> Please, be reasonable on the amount of data to process ;-)
>
> Cheers,
> Daniel
>
> -----Original Message-----
> From: Jarek Piórkowski [mailto:jarek at piorkowski.ca]
> Sent: Tuesday, March 26, 2019 12:15
> To: Begin Daniel; talk-ca at openstreetmap.org
> Subject: Re: [Talk-ca] Building Import
>
> On Tue, 26 Mar 2019 at 11:58, Begin Daniel <jfd553 at hotmail.com> wrote:
> > a first version of the cleaning tool is now functional.
> >
> > At this point, the tool is built to remove extra vertices, orthogonalize
> building footprints (when possible) and identify overlapped geometries.
> Details about the application are found in Canada Building Import
> discussion page …
> >
> >
> https://wiki.openstreetmap.org/wiki/Talk:Canada_Building_Import#Quality_Assurance_details
> >
> > So far, Tim has looked at the result for Montréal (Import data) and
> Pierre for Toronto (OSM data). I understand from their comments that the
> tool generally does its job well. However, both whish to see more
> functionality added to the application (editing automation).
> >
> > Before going further, I would like to know if the community is at ease
> with the Pierre and Tim assessment, and is ready to go further in the
> import process discussion. I ask that because going further with editing
> automation will definitely be more complex, without any guarantee about the
> results.
>
> Hi Daniel,
>
> Thank you for your work on this.
>
> Are you able to share the application or code in any way? I did not
> see any links in the talk page. It is really not possible to say much
> without looking at what the code does with some of the buildings with
> geometries I'm familiar with.
>
> Alternatively shall we send you over an area we're familiar with and
> you could send over the results of the tool? But I am concerned that
> would scale really poorly.
>
> To give a concrete example, I would be curious about the output of the
> tool for area 43.6450,-79.4071,43.6358,-79.4289 - I know that the
> geometries already in OSM for the area are partially inaccurate or
> overly simplified, so I'm curious how the processed import data looks.
>
> Thanks again,
> --Jarek
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