A hydrologist applies a focal raster operation using a 3 × 3 neighbourhood window to a DEM. What is the MOST likely purpose of this operation? / ’n Hidroloog pas ’n fokale rasterbewerking toe met behulp van ’n 3 × 3-buurvenster op ’n DEM. Wat is die MEES waarskynlike doel van hierdie bewerking?

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Accepted Answer

Smoothing terrain variation using neighbouring cells /  Om terreinvariasie glad te stryk deur naburige selle te gebruik

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Converting raster data into polygons /  Om rasterdata na poligone om te skakel

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Calculating values independently for each cell only /  Om waardes onafhanklik vir elke sel alleen te bereken

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Extracting values for administrative regions /  Om waardes vir administratiewe streke te onttrek

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A hydrologist applies a focal raster operation using a 3 × 3 neighbourhood windo...

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