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 <>
MaintainerSimon Urbanek <>
Package repositoryView on CRAN
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proj4 documentation built on Aug. 17, 2023, 9:06 a.m.