spatialEco (version 1.3-7)

srr: Surface Relief Ratio

Description

Calculates the Pike (1971) Surface Relief Ratio

Usage

srr(x, s = 5, ...)

Value

raster class object of Pike's (1971) Surface Relief Ratio

Arguments

x

raster object

s

Focal window size

...

Additional arguments passed to raster::calc

Author

Jeffrey S. Evans <[e-mail]>

Examples

# \donttest{
  library(raster)
  data(elev)
  r.srr <- srr(elev, s=5)
    plot(r.srr, main="Surface Relief Ratio") 

 # }