geoR: locations.inside – R documentation

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locations.inside

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 `locations`. If `FALSE` the function returns a matrix.
`...`	arguments to be passed to the internal function `.geoR_pip` and currently not used.

Value

A two columns matrix, data-frame or a list with 2 elements with coordinates of points inside the borders.

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="+")

geoR

Analysis of Geostatistical Data

v1.8-1

GPL (>= 2)

Authors

Paulo J. Ribeiro Jr [aut, cre] <paulojus@ufpr.br>, Peter J. Diggle [aut, cre] <p.diggle@lancaster.ac.uk> Ole Christensen [ctb], Martin Schlather [ctb], Roger Bivand [ctb], Brian Ripley [ctb]

Initial release

2020-02-08