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GIS Analysis

What Is Flow Direction in GIS?

What Is Flow Direction in GIS?

Flow direction calculates the direction water will flow in its eight adjacent cells using slope from neighboring cells (in a raster grid cell)

How to Fill NoData for Raster Data

How to Fill NoData for Raster Data

SAGA GIS has a quick and dirty tool to fill NoData holes with raster data. We show you how to close gaps in DEMs or any raster data with holes in it.