Learn R Programming

biogeo (version 1.0)

nearestcell: Assigns points that fall into the sea to the centre of the nearest adjacent coastal grid cell for terrestrial species and to nearest sea cell for marine species

Description

Assigns points that fall in the sea to the centre nearest adjacent coastal grid cell. It ignores points that do not have an adjacent coastal grid cell.

Usage

nearestcell(dat, rst)

Arguments

dat
a dataframe containing fields with the following names: ID, x, y, Species, x_original, y_original, Correction, Modified, Reason, Exclude
rst
a raster

Value

dat
a dataframe in which the new coordinates are assigned to x and y. The original values for the x- and y-coordinates are assigned to x_original and y_original.
moved
a dataframe with the idenifiers (ID), x- and y-coordinates (x and y) for the coordinates that were modified

See Also

missingvaluesexclude, addmainfields

Examples

Run this code
## Not run: 
# dem<-raster(dem,xmn=-180, xmx=180, ymn=-60, ymx=90)
# a<-nearestcell(dat, dem)## End(Not run)

Run the code above in your browser using DataLab