Oct 16, 2025 · PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another. This includes …

Jun 6, 2025 · 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 …

2 days ago · 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 …

Oct 16, 2025 · Geodetic transformation PROJ can do everything from the most simple projection to very complex transformations across many reference frames.

The proj-data package is a collection of all the resource files that are freely available for use with PROJ. The package is maintained on GitHub and the contents of the package are show-cased …

Oct 16, 2025 · 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 …

Oct 16, 2025 · If a proj-string does not contain +type=crs, then it is interpreted as a coordination operation / transformation. If creation of the transformation object fails, the function returns 0 …

Oct 16, 2025 · 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 …

Oct 16, 2025 · 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 …

2 days ago · PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another. This includes …