prmat(obj, xl, xu, yl, yu, n)
obj
|
object returned by surf.gls
|
xl
| limits of the rectangle for grid |
xu
| |
yl
| |
yu
| |
n
|
use n (mu n grid within the rectangle
|
x
, y
and z
suitable for contour
and image
.
surf.gls
, trmat
, semat
data(topo) topo.kr <- surf.gls(2, expcov, topo, d=0.7) prsurf <- prmat(topo.kr, 0, 6.5, 0, 6.5, 50) contour(prsurf$x, prsurf$y, prsurf$z, levels=seq(700, 925, 25))