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| author | Mike Toews <mwtoews@gmail.com> | 2018-09-18 13:27:05 +1200 |
|---|---|---|
| committer | Mike Toews <mwtoews@gmail.com> | 2018-09-18 13:37:22 +1200 |
| commit | fc26ed705584a0c7bd124d67af875a8f4d3f243d (patch) | |
| tree | 73a2cca80dfa8bd6a911dcdc851dbfcba619fde0 /docs/source/resource_files.rst | |
| parent | 46828f19e4dff0af3683a3d1f79db8278d553e4f (diff) | |
| download | PROJ-fc26ed705584a0c7bd124d67af875a8f4d3f243d.tar.gz PROJ-fc26ed705584a0c7bd124d67af875a8f4d3f243d.zip | |
Remove free grids from 'Non-Free Grids' section
These are included with proj-datumgrid:
- Australia
- Canada: ntv2_0.gsb
- Germany: BETA2007.gsb
Diffstat (limited to 'docs/source/resource_files.rst')
| -rw-r--r-- | docs/source/resource_files.rst | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/docs/source/resource_files.rst b/docs/source/resource_files.rst index c0321b18..ab9dd01b 100644 --- a/docs/source/resource_files.rst +++ b/docs/source/resource_files.rst @@ -93,44 +93,6 @@ Non-Free Grids Not all grid shift files have licensing that allows them to be freely distributed, but can be obtained by users through free and legal methods. -Canada NTv2.0 -................................................................................ -Although NTv1 grid shifts are provided freely with PROJ, the higher-quality -NTv2.0 file needs to be downloaded from Natural Resources Canada. More info: -http://www.geod.nrcan.gc.ca/tools-outils/ntv2_e.php. - -Procedure: - -1. Visit the `NTv2 <http://webapp.geod.nrcan.gc.ca/geod/tools-outils/applications.php?locale=en#ntv2>`__, and register/login -2. Follow the Download NTv2 link near the bottom of the page. -3. Unzip ``ntv2_100325.zip`` (or similar), and move the grid shift file ``NTV2_0.GSB`` to the proj directory (be sure to change the name to lowercase for consistency) - e.g.: ``mv NTV2_0.GSB /usr/local/share/proj/ntv2_0.gsb`` -4. Test it using: - - :: - - cs2cs +proj=latlong +ellps=clrk66 +nadgrids=@ntv2_0.gsb +to +proj=latlong +ellps=GRS80 +datum=NAD83 - -111 50 - - :: - - 111d0'3.006"W 50d0'0.103"N 0.000 # correct answer - -Australia -................................................................................ - -`Geocentric Datum of Australia AGD66/AGD84 <http://www.icsm.gov.au/gda/tech.html>`__ - -Canada -................................................................................ - -`Canadian NTv2 grid shift binary <http://open.canada.ca/data/en/dataset/b3534942-31ea-59cf-bcc3-f8dc4875081a>`__ for NAD27 <=> NAD83. - -Germany -................................................................................ - -`German BeTA2007 DHDN GK3 => ETRS89/UTM <http://crs.bkg.bund.de/crseu/crs/descrtrans/BeTA/de_dhdn2etrs_beta.php>`__ - Great Britain ................................................................................ |