[Talk-ca] Some feedback on import quality in Toronto

Danny McDonald mparrault at gmail.com
Mon Feb 4 15:31:26 UTC 2019


In JOSM, open the preferences dialog (F12), go to the data validator tab,
and click the "show informational level" checkbox (it is third from the
top).  Any validation done will then check for "Building with an almost
square angle", which will appear under the Other tab.  "Building with an
almost square angle" used to cause a Warning, but it was downgraded to
Other due to complaints - see https://josm.openstreetmap.de/ticket/16280.
Danny

On Mon, Feb 4, 2019 at 9:45 AM Yaro Shkvorets <shkvorets at gmail.com> wrote:

> Danny,
> Do you mind sharing how to fix almost square angles in JOSM? I remember
> seeing such warning a year or two ago but for some reason I don't see it
> anymore and can't find it in the Validator settings.
> Did they remove it from the latest version of JOSM or you need to add this
> rule manually?
> If there is an easy way to do it then we should do it I guess.
>
> On Sun, Feb 3, 2019 at 7:51 PM Danny McDonald <mparrault at gmail.com> wrote:
>
>> I largely agree with Yaro, but will say
>> 1) It is possible to square almost square angles with JOSM - it has an
>> informational warning in validation, and automatically squares the angle by
>> slightly moving the offending node.  This fix doesn't ruin the geometry of
>> the building, as pressing Q so often does.  Unfortunately, it also leads to
>> other angles in the building not being square.
>> 3) I'm fine with importing smaller buildings as well (they don't seem to
>> be in the source data in Toronto, they are for some of the other data
>> sets).  I believe they were excluded because of their relatively low
>> importance/permanence.
>>
>> I would also like to know how the Toronto building footprints were
>> produced.  Does anyone know?
>> DannyMcD
>>
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>>
>
>
> --
> Best Regards,
>           Yaro Shkvorets
>
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