[HOT] Getting the Bounding Boxes of the Validated Regions

Tue Nov 20 17:33:14 UTC 2018

Hi Michael,

I see, thank you. We'll make sure we handle those cases correctly then.
Thank you very much for pointing that out.

Best,
Serkan

On Tue, Nov 20, 2018, 11:51 AM Michael Heißmeier <
michael63 at digital-filestore.de wrote:

> Hi Serkan,
>
> just to let you know: Task squares do not have to be squares, they can
> have arbitrary polygon boundaries. You will find examples for these in
> nearly every project.
>
> Best Regards
> Michael
>
> Serkan Karakulak, 20.11.18 17:32:
>
> Thanks a lot, the geojson file seems to be more than enough for us
> really:) Thanks you for your help, really appreciate it.
>
> Best,
> Serkan
>
> On Tue, Nov 20, 2018 at 11:28 AM Joseph Reeves <iknowjoseph at gmail.com>
> wrote:
>
>> Hi Serkan,
>>
>> Glad I could be helpful :)
>>
>> 5 Coordinates because the feature is a polygon and the final coordinate
>> duplicates the first - closing the polygon.
>>
>> It might be worth looking at the Task Manager github page to see if
>> there's any plans to present coordinates via the API. I had a very quick
>> look at the documentation and couldn't find anything. Calling the API for
>> the above gives me as follows:
>>
>> $ curl https://tasks.hotosm.org/api/v1/project/5182/task/2212
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__tasks.hotosm.org_api_v1_project_5182_task_2212&d=DwMFaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=9jC6quPZN0RnI866qaQhEg&m=KxD6xSr0Z5Y9Lf9BioMyXRhmLd0tq4PSuFaOcgZpEkY&s=bOKM4U3mJ_-2TFcahPukW-Z2-4sTUd9U7LEUDYbkq8s&e=>
>> {"taskId": 2212, "projectId": 5182, "taskStatus": "VALIDATED",
>> "taskHistory": [{"action": "STATE_CHANGE", "actionText": "VALIDATED",
>> "actionDate": "2018-09-27T00:47:25.252277", "actionBy": "Daniel Specht"},
>> {"action": "LOCKED_FOR_VALIDATION", "actionText": "00:00:55.310139",
>> "actionDate": "2018-09-27T00:46:29.945085", "actionBy": "Daniel Specht"},
>> {"action": "STATE_CHANGE", "actionText": "MAPPED", "actionDate":
>> "2018-09-19T07:12:13.214061", "actionBy": "Roger Hoorens"}, {"action":
>> "COMMENT", "actionText": "Nothing visible", "actionDate":
>> "2018-09-19T07:12:13.212650", "actionBy": "Roger Hoorens"}, {"action":
>> "LOCKED_FOR_MAPPING", "actionText": "00:00:53.869298", "actionDate":
>> "2018-09-19T07:11:19.347707", "actionBy": "Roger Hoorens"}],
>> "perTaskInstructions": "", "isUndoable": false}
>>
>> I don't know if that would be more useful to you if it contained those
>> coordinates.
>>
>> Cheers, Joseph
>>
>>
>>
>> On Tue, 20 Nov 2018 at 16:03, 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
>>>>> _______________________________________________
>>>>> HOT mailing list
>>>>> HOT at openstreetmap.org
>>>>> https://lists.openstreetmap.org/listinfo/hot
>>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.openstreetmap.org_listinfo_hot&d=DwMFaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=9jC6quPZN0RnI866qaQhEg&m=9OlRe6xcyrgpxFqRTDdxQpAT2MxJY1U8BQHF1Eb916Y&s=--gecRJ3ui2RdAo-BbU_JUegvtg7PN4UXHKG0XNyG30&e=>
>>>>>
>>>>
> _______________________________________________
> HOT mailing listHOT at openstreetmap.orghttps://lists.openstreetmap.org/listinfo/hot <https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.openstreetmap.org_listinfo_hot&d=DwMDaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=9jC6quPZN0RnI866qaQhEg&m=xzls1awzSNmvkfIBJvgKzMH07Qq_zOOOt08X3mXlP9M&s=70AqlWHkbmATsIbMuVgyJ8eLpJRJE-bfiE0uqSWyl20&e=>
>
>
>
> --
>
>
> *Michael (osm:michael63) Chairman of the HOT Training Working Group *
>
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