![]() ![]() Here, we will create a map of the Harvard Forest Digital We’ll be looking at another model (the canopy height model) inĪ later episode and will see how to calculate the CHM from theĭSM and DTM. The digital terrain model (DTM) shows the ground level. This differs from the surface model data we’ve been working with soįar in that the digital surface model (DSM) includes the tops of trees, while Whatįor this episode, we will be working with the Harvard Forest Digital Terrain In that episode, all of our data were in the same CRS. Raster Projection in RĮpisode, we learned how to layer a raster file on top of a hillshade for a nice Will walk though reprojecting rasters in R using the projectRaster()įunction in the raster package. This episode explains how to deal with rasters in different, known CRSs. Rasters that don’t line up are most often in different Coordinate Sometimes we encounter raster datasets that do not “line up” when plotted orĪnalyzed. See the lesson homepage for detailed information about the software,ĭata, and other prerequisites you will need to work through the examples in this episode. Things You’ll Need To Complete This Episode
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