Examples for 'sp::surfaceArea'

Compute surface area of a digital elevation model.

Aliases: surfaceArea surfaceArea.matrix surfaceArea,SpatialPixelsDataFrame-method surfaceArea,SpatialGridDataFrame-method surfaceArea,matrix-method

Keywords: spatial

### ** Examples

surfaceArea(volcano)

[1] 16187.34

image(surfaceArea(volcano,byCell=TRUE))
plot of chunk example-sp-surfaceArea-1
data(meuse.grid)
gridded(meuse.grid) = ~x+y
image(surfaceArea(meuse.grid["dist"], byCell=TRUE))
plot of chunk example-sp-surfaceArea-1
surfaceArea(meuse.grid["dist"])

[1] 4964802
[Package sp version 1.5-0 Index]