PROJ-4.3.3 from the USGS

Here is the PROJ cartographic projection package README. Click here to get the PROJ software by ftp. Here is a local copy of PROJ.4.3.3.tar.gz

Here is the PROJ and MAPGEN download web page.

Here is a patch to PROJ.4's projects.h to use if PI is getting redefined on your system when building vhclmaps.

Up to vhclmaps.