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 < [email protected] 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 <[email protected]> > 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 <[email protected]> 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 <[email protected]> >>> 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 <[email protected]> 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 >>>>> [email protected] >>>>> 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 > [email protected]https://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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