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PROJ.4 - Cartographic Projections Library

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The current development source is available from https://github.com/OSGeo/proj.4.git

The following files are available from the proj ftp directory or HTTP mirror.

• Source Code:

  • http://download.osgeo.org/proj/proj-4.9.1.tar.gz: Current source release.

• Datum shift grids:

  • http://download.osgeo.org/proj/proj-datumgrid-1.5.zip: US, Canadian, French and New Zealand datum shift grids - unzip in the nad directory before configuring to add NAD27/NAD83 and NZGD49 datum conversion
  • Swiss Grid
  • Non-Free Grids
  • Harn Grids
  • HTDP Grids - NAD83/WGS84 conversion grids based on NOAA/NGS HTDP Model.
  • Geocentric Datum of Australia AGD66/AGD84
  • Canadian NTv2 grid shift binary for NAD27 <=> NAD83.
  • German BeTA2007 DHDN GK3 => ETRS89/UTM
  • Great Britain's OSTN02_NTv2: OSGB 1936 => ETRS89
  • Austrian Grid for MGI
  • Spanish grids for ED50.
  • Portuguese grids for ED50, Lisbon 1890, Lisbon 1937 and Datum 73
  • Brazilian grids for datums Corrego Alegre 1961, Corrego Alegre 1970-72, SAD69 and SAD69(96)
  • South African grid (Cape to Hartebeesthoek94 or WGS84)
  • [Dutch grid](https://www.kadaster.nl/web/Themas/Registraties/Rijksdriehoeksmeting/Transformatie-van-coordinaten.htm Dutch grid) (Registration required before download)

• Binaries:

  • PostgreSQL RPM Repository: Up2date Proj (and other GIS) RPMs
  • http://download.osgeo.org/proj/proj446_win32_bin.zip: Prebuilt Win32 executables, DLL including NAD27 grid shift files
  • The openSUSE Application:Geo Repository offers current PROJ.4 RPMs for SuSe
  • PROJ.4 in a Debian Package
  • [PROJ.4 as a pkgsrc package](http://pkgsrc.se/misc/proj pkgsrc package)
  • PROJ.4 Ported to the Delphi (Borland C++) environment

• Legacy:

  • ftp://ftp.remotesensing.org/proj/from_kai/PROJ.4.3.3.tar.gz: The last PROJ 4.3 release produced by Gerald Evenden (classic PROJ.4)
  • ftp://ftp.remotesensing.org/proj/from_kai/: A snapshot of everything on the kai.er.usgs.gov/pub/PROJ.4 directory as of March/2000