From 93d3af6aecca25ee91565d9d38af67b7312c9444 Mon Sep 17 00:00:00 2001 From: Kristian Evers Date: Wed, 4 Mar 2020 00:37:47 +0100 Subject: Update README with info on PROJ-data (#2015) [ci skip] Removes section about proj-datumgrid-* packages in favour for a section about the PROJ-data package and the CDN. --- README.md | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) (limited to 'README.md') diff --git a/README.md b/README.md index cd579384..cd9add46 100644 --- a/README.md +++ b/README.md @@ -51,20 +51,14 @@ number, and "z" indicates the patch number of the release. In addition to the PROJ software package, distributions of datum conversion grid files and PROJ parameter files are also available. -The grid package is distributed under the name `proj-datumgrid-x.y.zip`, +The grid package is distributed under the name `proj-data-x.y.zip`, where "x" is the major release version and "y" is the minor release -version numbers. Similarly regional packages are distributed. The -regional packages contain resources that are not essential to the -functionality of PROJ but still of value to users in the region -specific to the package. All grids that were in proj-datumgrids-1.6 -remain in proj-datumgrids-1.7; the regional datumgrid files contain -grids for datums not previously supported (prior to PROJ 5.0.0). +version numbers. The resource packages can be downloaded from the +[PROJ website](https://proj.org/download.html). -The resource packages can be downloaded from the [PROJ website](https://proj.org/download.html). - -More info on the contents of the various resource packages can be +More info on the contents of the proj-data package can be found at the -[proj-datumgrid GitHub repository](https://github.com/OSGeo/proj-datumgrid). +[PROJ-data GitHub repository](https://github.com/OSGeo/PROJ-data). The resource file packages should be extracted to `PROJ_LIB` where PROJ will find them after installation. The default location of @@ -72,6 +66,13 @@ where PROJ will find them after installation. The default location of be changed to a different directory. On Windows you have to define `PROJ_LIB` yourself. +As an alternative to installing the data package on the local system, +the resource files can be retrieved on-the-fly from the +[PROJ CDN](https://cdn.proj.org/). A [network-enabled](https://proj.org/usage/network.html) PROJ build, will +automatically fetch resource files that are not present locally from the +CDN. + + ## Citing PROJ in publications See [CITATION](CITATION) -- cgit v1.2.3