[talk-au] Importing Hobsons Bay City Council tree data into OSM

[Daniel O'Connor]

Side note: http://www.opentrees.org may be of interest to you, takes a
number of tree datasets in a standard format, renders them.


On Sun, 14 Apr. 2019, 10:16 pm David Sisourath, <david.sisourath at hotmail.com>
wrote:

> Thanks Andrew, I have looked at all of the tags in the raw data and have
> created a Python file to process this.
>
>
>
> I have considered the ‘Unknown’, ‘Not Applicable’ and also removed the
> trees where they are ‘stumps’ or ‘vacant’.
>
>
>
> The data is linked here:
>
> https://data.gov.au/dataset/ds-dga-80051ffe-04d5-4602-b15b-60e0d0e3d153/
>
>
>
> I have actually proceeded with a test import on a small area in Seabrook.
> A reason why I think a source tag would be useful is the identification of
> imported trees in subsequent updates from Council being imported.
>
>
>
> I note that this test import is easily reversible by me if plans do not
> eventuate.
>
>
>
> The test import changeset is here:
>
> https://www.openstreetmap.org/changeset/69182499#map=16/-37.8860/144.7627
>
>
>
> Also, there is a non-existent boundary through Seabrook Primary School
> that renders on Mapnik. I noticed this during the test import and am unsure
> of the issue here.
>
>
>
>
>
> Regards,
>
>
>
> David
>
>
>
>
> ------------------------------
> *From:* Andrew Harvey <andrew.harvey4 at gmail.com>
> *Sent:* Sunday, April 14, 2019 9:56:38 PM
> *To:* David Sisourath
> *Cc:* talk-au at openstreetmap.org
> *Subject:* Re: [talk-au] Importing Hobsons Bay City Council tree data
> into OSM
>
> Great working on sourcing those waivers!
>
> Do you either have a sample .osm file or could you post an example of what
> tags/values will be imported? Can you say anything further about how you
> will transform the data? ie. removing "Unknown" values etc.
>
> Regarding the source tag, I think it must be on the changeset, but can
> optionally be on each object as well. It was once pointed out to me that
> the source on the object may lead to editors thinking they can't
> change/touch the object, and it can also be misleading when changes
> subsequently happen. Mind you, I still add source, source:geometry,
> source:name etc. tags where I feel it's appropriate manually, I just don't
> think it's essential to have them on each object.
>
> Feel free to post a link to this thread
> https://lists.openstreetmap.org/pipermail/talk-au/2019-April/012577.html as
> a changeset tag or comment to help link the import back to this discussion.
>
> On Sun, 14 Apr 2019 at 15:35, David Sisourath <david.sisourath at hotmail.com>
> wrote:
>
>> Hi,
>>
>>
>>
>> I intend to import tree data in the Hobsons Bay LGA into OSM.
>>
>>
>>
>> The data has been verified by myself with aerial imagery and DELWP/VicMap
>> boundaries.
>>
>>
>>
>> I will be importing small squares of data at a time, including the tree
>> circumference, species (if known) or genus (if species unknown). Tree
>> circumference in the data are grouped by ranges of 150mm. I have taken the
>> maximum of these ranges to be the circumference in my code.
>>
>>
>>
>> A source tag will be attached to each tree node imported,
>> source=data.gov.au:Hobsons Bay City Council, and also on the relevant
>> changesets.
>>
>>
>>
>> A waiver has been signed by Hobsons Bay and is available on both the
>> Australian Data Catalogue page and the Contributors
>> <https://wiki.openstreetmap.org/wiki/Contributors#Hobsons_Bay_City_Council_data>
>> page.
>>
>>
>>
>> Any questions or feedback regarding the import would be highly
>> appreciated, including whether the approach to the circumference tag, and
>> source tag is acceptable.
>>
>>
>>
>>
>>
>> Regards,
>>
>>
>>
>> David
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>>
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