letsR (version 5.0)

lets.pamcrop: Crop a PresenceAbsence object based on an input shapefile

Description

Crop a PresenceAbsence object based on a shapefile provided by the user.

Usage

lets.pamcrop(x, shp, remove.sp = TRUE)

Value

The result is an object of class PresenceAbsence croped.

Arguments

x

A PresenceAbsence object.

shp

Object of class SpatVector (see function terra::vect) to crop the PresenceAbsence object.

remove.sp

Logical, if TRUE the final matrix will not contain species that do not match any cell in the grid.

Author

Bruno Vilela

See Also

plot.PresenceAbsence

lets.presab.birds

Examples

if (FALSE) {
data(PAM)
data("wrld_simpl")

# PAM before crop
plot(PAM, xlab = "Longitude", ylab = "Latitude",
     main = "Phyllomedusa species richness")

# Crop PAM to Brazil
data(wrld_simpl)  # World map
Brazil <- wrld_simpl[wrld_simpl$NAME == "Brazil", ]  # Brazil (polygon)
PAM_crop <- lets.pamcrop(PAM, Brazil, remove.sp = TRUE)
plot(PAM_crop, xlab = "Longitude", ylab = "Latitude",
     main = "Phyllomedusa species richness (Brazil crop)")
plot(sf::st_geometry(wrld_simpl), add = TRUE)
}