calc_area {onpoint} | R Documentation |
calc_area
Description
Calculate area of polygon
Usage
calc_area(x)
Arguments
x |
matrix with x,y coordinates. |
Details
Calculate area of polygon in input units. If the polygon is not closed, the first coordinate is used as last coordinate to close it.
Value
numeric
Examples
## Not run:
dat <- matrix(data = c(0, 0, 0, 10, 10, 10, 10, 0), ncol = 2, byrow = TRUE)
calc_area(x = dat)
## End(Not run)
[Package onpoint version 1.0.6 Index]