circularDispersionGV {SurfRough} | R Documentation |
Compute circular variance of aspect (i.e. of the gradient vector)
Description
Compute circular variance of aspect (i.e. of the gradient vector)
Usage
circularDispersionGV(inraster, window)
Arguments
inraster |
The DEM from which compute the index |
window |
The moving window adopted for computing the index |
Value
The raster with the computed index
Examples
# Gradient vector dispersion using a circular search window of radius 3.
dem=rast(paste(system.file("extdata", package = "SurfRough"), "/trento1.tif",sep=""))
w=KernelCircular(3)
roughGrad=circularDispersionGV(dem,w)
plot(roughGrad)
[Package SurfRough version 0.0.1.0 Index]