aspect.calc.RdCalculate the direction component of the vector field with a geographic reference system - 0 degrees as due north and 90 degrees as due east (i.e. aspect)
aspect.calc(x, y)
| x | x displacement magnitude |
|---|---|
| y | y displacement magnitude |
The aspect of displacement vectors x and y.
aspect.calc(3,4)#> [1] 36.8699