srr: Surface Relief Ratio

Description Usage Arguments Value Note Author(s) Examples

View source: R/srr.R

Description

Calculates the Pike (1971) Surface Relief Ratio

Usage

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

Arguments

x

raster object

s

Focal window size

...

Additional arguments passed to raster::calc

Value

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

Note

Describes rugosity in continuous raster surface within a specified window. The implementation of SRR can be shown as: (mean(x) - min(x)) / (max(x) - min(x))

Author(s)

Jeffrey S. Evans <[email protected]>

Examples

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

jeffreyevans/spatialEco documentation built on Aug. 11, 2018, 1:08 p.m.