plot.arena.Rd
Plots a graphical representation of the flow field together with the polygon
structure. This is a method for the generic function plot
and can
therefore be called as plot(arena_object)
.
# S3 method for arena
plot(x, arrow_scale = 1, grid = FALSE, ...)
An object of class arena
, see details.
The length of the longest arrow is arrow\_scale
times the distance between two neighbouring grid points.
If TRUE, a grid is drawn marking the boxes around the grid points.
Further arguments to the plot
funtion.
An arena
object describes the arena in which the function is to be
used. It is a list containing elements lat
, lon
, U
,
V
and S
(in that order), where lat
and lon
are
vectors storing the latitude and longitude values of the grid points used,
U
and V
are matrices with the corresponding flow velocities in
west-east and south-north direction, and S
is a matrix in which each
grid points has an integer number, either giving the polygon it belongs to
(if > 0) or stating that this grid point lies on land (if == 0).
TODO: my report
data(Udata)
data(Vdata)
data(Sdata)
arena = prepare.arena(Udata,Vdata,Sdata)
plot(arena)