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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/source/resource_files.rst | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/docs/source/resource_files.rst b/docs/source/resource_files.rst index cd2d7d3f..54c812f2 100644 --- a/docs/source/resource_files.rst +++ b/docs/source/resource_files.rst @@ -459,22 +459,20 @@ the ellipsoid as in the following example +init=epsg:25832 +ellps=intl where the Hayford ellipsoid is used instead of the predefined GRS80 ellipsoid. + It is also possible to add additional parameters not specified in the init file, -for instance by adding an observation epoch when transforming from ITRF2000 to -ITRF2005: +for instance by adding a central epoch when applying the ITRF2014:NOAM plate +motion model: :: - +init=ITRF2000:ITRF2005 +t_obs=2010.5 + +init=ITRF2014:NOAM +t_epoch=2010.0 which then expands to :: - +proj=helmert +x=-0.0001 +y=0.0008 +z=0.0058 +s=-0.0004 - +dx=0.0002 +dy=-0.0001 +dz=0.0018 +ds=-0.000008 - +t_epoch=2000.0 +convention=position_vector - +t_obs=2010.5 + +proj=helmert +drx=0.000024 +dry=-0.000694 +drz=-0.000063 +convention=position_vector +t_epoch=2010.0 Below is a list of the init files that are packaged with PROJ. |