Crops the DEM to the extent of the track with a buffer
dem2track.extent(DEM, track, buffer = 100)
a raster containing a digital elevation model, covering the extent as the track
data.frame with x,y,z coordinates of the original track
buffer with, by default set to 100
A the cropped digital elevation model as a raster layer.
dem2track.extent(dem, niclas)
#> class : RasterLayer
#> dimensions : 118, 422, 49796 (nrow, ncol, ncell)
#> resolution : 251.2, 370.8 (x, y)
#> extent : 2556314, 2662321, 1188232, 1231986 (xmin, xmax, ymin, ymax)
#> crs : +init=epsg:2056 +proj=somerc +lat_0=46.95240555555556 +lon_0=7.439583333333333 +k_0=1 +x_0=2600000 +y_0=1200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs
#> source : memory
#> names : srtm_38_03
#> values : 412.7945, 1987.423 (min, max)
#>