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Kharita Challenges

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Real geospatial problems, graded automatically. Choose a track, a level and what you want to hand in.

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Spatial Analysis1 problemPostGIS / SQL0 problemsPython0 problemsRemote Sensing3 problemsCartography0 problemsWeb GIS0 problemsData Management2 problemsGIS Architecture0 problems
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SQL0 problemsPython0 problemsGeoJSON4 problemsAnswers1 problemSchema0 problemsDecisions0 problemsDataset file1 problem
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Data preparation1 problemData quality1 problemSpatial analysis0 problemsRaster analysis1 problemCartography3 problemsDecision support3 problemsGeospatial systems0 problemsWeb delivery1 problem
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Spatial AnalysisRaster analysisAnswersClear all
  1. Not started, Screen Newham’s greening gridProjectRaster analysis3 steps

    Audit a real land-cover chip, deliver a measured grid file, and identify cells for field verification.

    Remote SensingadvancedDifficulty: advanced600 XP~100 min10 checks

    Worked in 3 steps, each checked before the next one opens.

    1. Audit the class chip · Answers
    2. Hand over the measured grid · Dataset file
    3. Map field-verification cells · GeoJSON

    Datasets

    • Newham WorldCover 2021 class chip · Raster · EPSG:4326
    • London boroughs · Polygon · 33 features · EPSG:4326

    What you’ll do

    • Audit class counts in the clipped raster
    • Prepare a traceable borough grid as an uploaded GIS file
    • Return only cells that meet a stated greening screen
    NewhamWorldCoverurban greeningoffline rasterAlso trains Data Management, Spatial Analysis
    Open project