[HOT] Getting the Bounding Boxes of the Validated Regions

[Serkan Karakulak]

Oh didn't noticed that, thanks a lot!

On Tue, Nov 20, 2018 at 11:19 AM Vao Matua <vaomatua at gmail.com> wrote:

> Serkan,
>
> The last value is the same as the first, it closes the polygon.
>
> On Tue, Nov 20, 2018 at 8:06 AM Serkan Karakulak <sk7685 at nyu.edu> wrote:
>
>> Hi Joseph,
>>
>> Thanks a lot, this was exactly what we needed indeed! Much appreciated,
>> thank you for your help.
>>
>> Is there a reason that there are five coordinates for the tile btw,
>> instead of four?
>>
>> Best,
>>
>>
>>
>> On Tue, Nov 20, 2018 at 10:10 AM Joseph Reeves <iknowjoseph at gmail.com>
>> wrote:
>>
>>> Hi Serkan,
>>>
>>> I've not looked into this properly, but a quick look at a project on the
>>> Task Manager shows I can find a validated square:
>>>
>>> https://tasks.hotosm.org/project/5182?task=2212#bottom
>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__tasks.hotosm.org_project_5182-3Ftask-3D2212-23bottom&d=DwMFaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=9jC6quPZN0RnI866qaQhEg&m=9OlRe6xcyrgpxFqRTDdxQpAT2MxJY1U8BQHF1Eb916Y&s=NIrWuzEqTDWUx8Q-ooCep6LppJk6vUeKNdCqzT4CpM0&e=>
>>>
>>> This task 2212 appears in the project geojson, and marked as validated:
>>> https://tasks.hotosm.org/api/v1/project/5182/tasks?as_file=true
>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__tasks.hotosm.org_api_v1_project_5182_tasks-3Fas-5Ffile-3Dtrue&d=DwMFaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=9jC6quPZN0RnI866qaQhEg&m=9OlRe6xcyrgpxFqRTDdxQpAT2MxJY1U8BQHF1Eb916Y&s=iYZA-4J-uBIDT8C04bnsXvJKvA_NZKlkdkaT88KckfI&e=>
>>>
>>> I've not double checked this is what you want, but looks like a good
>>> place to start:
>>>
>>> "type": "MultiPolygon"}, "properties": {"taskId": 2212,
>>> "taskSplittable": true, "taskStatus": "VALIDATED", "taskX": 30348, "taskY":
>>> 34875, "taskZoom": 16}, "type": "Feature"}, {"geometry": {"coordinates":
>>> [[[[-13.2934570288688, 11.4907909783363], [-13.2879638648073,
>>> 11.4907909783363], [-13.2879638648073, 11.4961739900467],
>>> [-13.2934570288688, 11.4961739900467], [-13.2934570288688,
>>> 11.4907909783363]]]],
>>>
>>> Cheers, Joseph
>>>
>>> On Tue, 20 Nov 2018 at 03:47, Serkan Karakulak <sk7685 at nyu.edu> wrote:
>>>
>>>> Hi,
>>>> I am a graduate student in a Data Science program, and I wanted to get
>>>> in touch with you because me and my two other friends are interested in
>>>> working on a machine learning project to map areas using their satellite
>>>> images and produce their labels. If we obtain a high accuracy, we thought
>>>> it could be of use to the hotosm and the missingmaps initiatives.
>>>>
>>>> I have first heard about Missing Maps when I came across a mapathlon
>>>> event two years ago in Istanbul. We were in search for a class project for
>>>> one of our courses and I remembered about the mapathlon event and we would
>>>> be very happy if we could contribute to the this wonderful initiative.
>>>> There are already some previous successful works on this subject, so we are
>>>> very hopeful that we could come up with an algorithm with high accuracy.
>>>>
>>>> In order to develop the model, we need to extract bounding boxes of the
>>>> validated tiles we see at hotosm. Then we will extract the satellite images
>>>> and their labels using the label-maker API which is developed by DevSeed.
>>>> Is there a method to extract the coordinates of these validated tiles?
>>>>
>>>> Thank you for your time and help.
>>>>
>>>> Best,
>>>>
>>>> Serkan
>>>> _______________________________________________
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>>>>
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