[Lab] OTTrees: an open data web app

Emily Daniels emily.daniels at gmail.com
Tue Apr 30 13:39:43 EDT 2013

Thanks Barry!

Jason: Nice! Yeah they weren't that responsive but Robert Giggey was
helpful. They've just released a data set that added 100,000 trees which is
awesome but way too much for the app to display. I've noticed a lot of
older trees being cut down around Ottawa which seems to be due to pests or
the like. It really sucks- wish there was a better way to stop the

On Tue, Apr 30, 2013 at 1:28 PM, Jason Cobill <jason.cobill at gmail.com>wrote:

>    Great minds think alike! I used the tree inventory to try to map out
> the spread of the Emerald Ash Borer, after our lovely Ash at home had to go
> under the axe.
>    http://lunarbovine.com/blog/2012/07/ottawa-tree-inventory/
>    Did you get much help from the city? I sent them a few e-mails (and
> contacted Open Data Ottawa) and got zero feedback, so I shelved the
> "public" version of my app until I was sure I could rely on the data.
>    -Jason Cobill
> On Tue, Apr 30, 2013 at 12:42 PM, Emily Daniels <emily.daniels at gmail.com>wrote:
>> Hey All,
>> Not hardware, but software related; I made a web application with James
>> DeMond that uses the city of Ottawa's tree inventory data set to show a
>> bird’s eye view of the city, displaying the trees by taking the diameter at
>> breast height (d.b.h.) of the tree and calculating the approximate spread
>> of the tree given it’s species and estimated age as well as the seasonal
>> foliage here <http://www.ottrees.com/>.
>> It's a bit slow right now, but if you'd like to play with the code it's
>> on Github here <https://github.com/emdaniels/ottrees> and I wrote about
>> the making of it here<http://www.emilydaniels.com/2013/04/the-making-of-ottrees/>.
>> In the process I also took the oldest trees of each species over 500 years
>> old and made an ancient tree bike route through the city here<https://maps.google.com/maps/ms?msid=207547909246875332554.0004db82e2dc101c79649&msa=0>.
>> Feedback is welcome!
>> Emily
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