circularDispersionNV {SurfRough} | R Documentation |
Compute circular variance of normal vectors to surface, using the resultant vector length
circularDispersionNV(inraster, window)
inraster |
The DEM from which compute the index |
window |
The moving window adopted for computing the index |
The raster with the computed index
#
#Normal vector dispersion using a circular search window of radius 3.
dem=rast(paste(system.file("extdata", package = "SurfRough"), "/trento1.tif",sep=""))
w=KernelCircular(3)
roughVDR=circularDispersionNV(dem,w)
plot(roughVDR)