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 <[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 list > [email protected] > https://lists.openstreetmap.org/listinfo/hot >
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