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| author | Kristian Evers <kristianevers@gmail.com> | 2018-01-03 12:07:20 +0100 |
|---|---|---|
| committer | Kristian Evers <kristianevers@gmail.com> | 2018-01-03 13:48:47 +0100 |
| commit | 403f930355926aced5caba5bfbcc230ad152cf86 (patch) | |
| tree | b47e79774c64efad904c88ee4fabf6c9545e0082 /src | |
| parent | 0900fa0af80b21a0e7588181f95ca8e0ece0f719 (diff) | |
| download | PROJ-403f930355926aced5caba5bfbcc230ad152cf86.tar.gz PROJ-403f930355926aced5caba5bfbcc230ad152cf86.zip | |
Add plate motion model parameters to ITRF init-files.
Parameters for the plate motion models (PMM) for ITRF2008 and ITRF2014
are added to the ITRF2008/2014 init-files. The PMMs allow coordinates
to be moved back and forward in time in plate fixed reference frames
such as GR96 in Greenland which is defined as ITRF94@1996.623.
Transforming an ITRF2014-coordinate to GR96 is done with:
+proj=pipeline +step +init=ITRF2014:NOAM +t_epoch=1996.623 +t_obs=2017.584
+step +init=ITRF2014:ITRF94 +t_obs=1996.623
where the first step transforms the coordinate back in time to
ITRF2014@1996.632 by using the ITRF2014 PMM. The second step transforms
the ITRF2014 coordinate to ITRF94.
Diffstat (limited to 'src')
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