PROJ — PROJ 9. 7. 0 documentation PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another This includes cartographic projections as well as geodetic transformations
Download — PROJ 9. 7. 0 documentation See Installation for information on how to get pre-built packages of PROJ Documentation in PDF and zipped HTML can be downloaded using the flyout menu on the left side of the browser window
Installation — PROJ 9. 7. 0 documentation The simplest way to install PROJ on Windows is to use the OSGeo4W software distribution OSGeo4W provides easy access to many popular open source geospatial software packages
Quick start — PROJ 9. 7. 0 documentation Coordinate transformations are defined by, what in PROJ terminology is known as, "proj-strings" A proj-string describes any transformation regardless of how simple or complicated it might be
Using PROJ — PROJ 9. 7. 0 documentation The main purpose of PROJ is to transform coordinates from one coordinate reference system to another This can be achieved either with the included command line applications or the C API that is a part of the software package
Cartographic projection — PROJ 9. 7. 0 documentation This section is devoted to the generic parameters that can be used on any projection in the PROJ library Below is a list of PROJ parameters which can be applied to most coordinate system definitions
About — PROJ 9. 7. 0 documentation PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another This includes cartographic projections as well as geodetic transformations
FAQ — PROJ 9. 7. 0 documentation Generally PROJ will accept coordinate reference system descriptions in the form of WKT, WKT2 and PROJ strings If you are able to describe your desired CRS in either of those formats there's a good chance that PROJ will be able to make sense of it