Dissection

Calculates the Evans (1972) Martonne's modified dissection

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

Arguments

x	raster object
s	Focal window size
...	Additional arguments passed to raster::calc

Value

raster class object of Martonne's modified dissection

Note

Dissection is calculated as: ( z(s) - min(z(s)) ) / ( max(z(s)) - min(z(s)) )

Author

Jeffrey S. Evans <jeffrey_evans@tnc.org>

Examples

# \donttest{ 
  library(raster)
  data(elev)
  d <- dissection(elev, s=3)
    plot(d, main="dissection") 
# }