Computing Slope and Aspect from Digital Elevation Models (DEMs) [C15, V4]

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This video provides an introduction to computing slope and aspect from a digital elevation model (DEM), including the '4 nearest' and '3rd order infinite' slope models.
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Hi! Why don't we take into consideration the middle cell? It seems important. We could miss a big drop, a hill a canyon etc

pcdi
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What is the formula to calculate aspect?

ubhatali
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Can u make video of land cover change detection using clc raster images pls?

prudhvi