locations.inside {geoR} | R Documentation |
Select prediction locations inside borders
Description
Selects the prediction locations located inside a polygon defining
borders of a region where prediction is aimed.
Typically internally called by geoR functions
krige.bayes
, krige.conv
,
ksline
.
Usage
locations.inside(locations, borders, as.is = TRUE, ...)
Arguments
locations |
a two columns matrix or dqata frame with coordinates of the prediction locations. |
borders |
a two column matrix or data-frame with coordinates of a polygon defining the borders of the region. |
as.is |
logical defining if the returned object of of the same
type (list, data-frame or matrix) as the provided in
|
... |
arguments to be passed to the internal function
|
Value
A two columns matrix, data-frame or a list with 2 elements with coordinates of points inside the borders.
See Also
over
,coordinates
,
SpatialPoints
.
Examples
gr <- pred_grid(parana$borders, by=20)
plot(gr, asp=1, pch="+")
polygon(parana$borders)
gr.in <- locations.inside(gr, parana$borders)
points(gr.in, col=2, pch="+")