Add centroid and possibly other fields to an existing proj4String:

Add centroid and possibly other fields to an existing proj4String:

addCentroidToProjection(
  proj4String,
  centroid,
  lon_name = "lon",
  lat_name = "lat",
  additionalFields = NULL
)

Arguments

proj4String

A proj4 string.

centroid

Either a vector of longitude and latitude value, or a named list of this information.

lon_name, lat_name

Character: The names of the longitude and latitude fields in centroid if given as a list.

additionalFields

Character: Optional extra proj4 fields in a single string.