November 2018
Beginner to intermediate
354 pages
6h 59m
English
Content preview from Hands-On Geospatial Analysis with R and QGIS
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Slope, aspect, and hillshade
We'll now calculate slope and aspect from a Digital Elevation Model (DEM). We'll be using DEM raster data provided by SRTM. We now read and plot a DEM using the raster() and plot() functions:
dem = raster("DEM/dem_chittagong.tif")plot(dem)
This DEM looks like this:
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