ENMTools (version 1.0.5)

trimdupes.by.raster: Takes a set of points and a raster mask and returns a data frame trimmed so that only one point is returned per grid cell in the mask raster.

Description

Takes a set of points and a raster mask and returns a data frame trimmed so that only one point is returned per grid cell in the mask raster.

Usage

trimdupes.by.raster(points, mask)

Arguments

points

A two column data frame with X and Y coordinates

mask

A raster to use as a mask for drawing points

Value

A new data frame with one point per grid cell.

Examples

# NOT RUN {
data(iberolacerta.clade)
data(euro.worldclim)
pts <- iberolacerta.clade$species$monticola$presence.points
trimdupes.by.raster(pts, euro.worldclim)
# }