dem | R Documentation |
A 30-meter resolution elevation model in SpatialGridDataFrame format that matches the Landsat images nov and july.
data(dem)
Elevations are in meters.
Digital Elevation Models for the United States are available from the United States Geologic Survey, http://www.usgs.gov
data(dem)
dem.slopeasp <- slopeasp(dem)
par(mfrow=c(1,3))
image(dem)
image(dem.slopeasp$slope)
image(dem.slopeasp$aspect)
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