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PROJ  

Generic Coordinate System Transformations Using 'PROJ'
View on CRAN: Click here


Download and install PROJ package within the R console
Install from CRAN:
install.packages("PROJ")

Install from Github:
library("remotes")
install_github("cran/PROJ")

Install by package version:
library("remotes")
install_version("PROJ", "0.7.0")



Attach the package and use:
library("PROJ")
Maintained by
Michael D. Sumner
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2020-01-07
Latest Update: 2025-04-03
Description:
A wrapper around the generic coordinate transformation software 'PROJ' that transforms coordinates from one coordinate reference system ('CRS') to another. This includes cartographic projections as well as geodetic transformations. The intention is for this package to be used by user-packages such as 'reproj', and that the older 'PROJ.4' and version 5 pathways be provided by the 'proj4' package.
How to cite:
Michael D. Sumner (2020). PROJ: Generic Coordinate System Transformations Using 'PROJ'. R package version 0.7.0, https://cran.r-project.org/web/packages/PROJ. Accessed 08 Oct. 2026.
Previous versions and publish date:
(2026-07-10 09:10), 0.1.0 (2020-01-07 18:00), 0.1.5 (2020-03-29 16:20), 0.1.6 (2020-04-15 06:40), 0.3.1 (2020-08-31 13:20), 0.4.0 (2020-10-19 19:20), 0.4.5 (2023-12-01 23:10), 0.5.0 (2024-06-12 06:50), 0.6.0 (2025-04-03 04:30)
Other packages that cited PROJ R package
View PROJ citation profile
Other R packages that PROJ depends, imports, suggests or enhances
Complete documentation for PROJ
Functions, R codes and Examples using the PROJ R package
Some associated functions: PROJ-package . ok_proj6 . proj_crs_text . proj_trans . xymap . 
Some associated R codes: PROJ-package.R . ok_proj6.R . proj_crs_text.R . proj_trans.R . zzz.R .  Full PROJ package functions and examples
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