proj4: A simple interface to the PROJ.4 cartographic projections library

A simple interface to lat/long projection and datum transformation of the PROJ.4 cartographic projections library. It allows transformation of geographic coordinates from one projection and/or datum to another.

Getting started

Package details

AuthorSimon Urbanek [aut, cre, cph] (https://urbanek.org, <https://orcid.org/0000-0003-2297-1732>)
MaintainerSimon Urbanek <simon.urbanek@r-project.org>
LicenseGPL-2
Version1.0-15
URL https://www.rforge.net/proj4/
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("proj4")

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proj4 documentation built on April 4, 2025, 2:08 a.m.