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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 Analysis0 problemsPostGIS / SQL1 problemPython0 problemsRemote Sensing1 problemCartography0 problemsWeb GIS2 problemsData Management3 problemsGIS Architecture3 problems
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Data preparation0 problemsData quality0 problemsSpatial analysis0 problemsRaster analysis2 problemsCartography0 problemsDecision support1 problemGeospatial systems1 problemWeb delivery0 problems
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Remote SensingAdvancedGeospatial systemsClear all
  1. Not started, Design the searchable imagery archiveGeospatial systemsDecisions

    Choose a search, storage, preview and revision pattern for an imagery service with reproducible results.

    GIS ArchitectureadvancedDifficulty: advanced460 XP~70 min5 checks

    You hand in a set of design decisions.

    Dataset

    • Greater London, Sentinel-2 red and NIR, 11 July 2025 · Raster · EPSG:32630

    What you’ll do

    • Separate scene discovery from pixel storage and map rendering
    • Select an access pattern suited to small viewport reads and flexible band expressions
    • Preserve exact-version provenance through corrections
    system designSTACcloud optimized GeoTIFFraster tilesprovenanceAlso trains Remote Sensing, Data Management, Web GIS
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