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Back to the catalogueData qualityCase 11 of 14
Raster/cell resolution mismatch
A coarse raster over fine cells yields false precision; fine raster over coarse cells needs area weighting.
Class
Case to account for
Affects
1 conversion
01
Detection
Compare pixel size to cell edge length.
02
Mitigation
01
Area-weighted aggregation
02
Cap cell resolution to raster resolution
03
Affected conversions
RasterH3
OPENChapter
Raster To H3More in Data quality
Accuracy-radius attritionAxis-order reversal (lat/lng swap)Coastal / mixed pixelsConfidence-convention mismatchDuplicated region IDsGeocoding uncertaintyIncomplete geometryMissing CRS declarationMissing polygonsRaster no-data valuesRounded / truncated coordinatesWrong CRS assumedZero-island coordinates