diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/source/apps/cs2cs.rst | 13 | ||||
| -rw-r--r-- | docs/source/apps/projinfo.rst | 10 |
2 files changed, 17 insertions, 6 deletions
diff --git a/docs/source/apps/cs2cs.rst b/docs/source/apps/cs2cs.rst index 841ce092..8f35c751 100644 --- a/docs/source/apps/cs2cs.rst +++ b/docs/source/apps/cs2cs.rst @@ -13,7 +13,7 @@ Synopsis | **cs2cs** [**-eEfIlrstvwW** [args]] | [[--area <name_or_code>] | [--bbox <west_long,south_lat,east_long,north_lat>]] - | [--authority <name>] [--no-ballpark] [--accuracy <accuracy>] + | [--authority <name>] [--no-ballpark] [--accuracy <accuracy>] [--3d] | ([*+opt[=arg]* ...] [+to *+opt[=arg]* ...] | {source_crs} {target_crs}) | file ... @@ -194,6 +194,17 @@ The following control parameters can appear in any order: This option is mutually exclusive with :option:`--bbox`. +.. option:: --3d + + .. versionadded:: 9.1 + + "Promote" 2D CRS(s) to their 3D version, where the vertical axis is the + ellipsoidal height in metres, using the ellipsoid of the base geodetic CRS. + Depending on PROJ versions and the exact nature of the CRS involved, + especially before PROJ 9.1, a mix of 2D and 3D CRS could lead to 2D or 3D + transformations. Starting with PROJ 9.1, both CRS need to be 3D for vertical + transformation to possibly happen. + .. only:: man The *+opt* run-line arguments are associated with cartographic diff --git a/docs/source/apps/projinfo.rst b/docs/source/apps/projinfo.rst index 04ee7578..a19afa5b 100644 --- a/docs/source/apps/projinfo.rst +++ b/docs/source/apps/projinfo.rst @@ -300,12 +300,12 @@ The following control parameters can appear in any order: .. versionadded:: 6.3 - "Promote" the CRS(s) to their 3D version. In the context of researching - available coordinate transformations, explicitly specifying this option is - not necessary, because when one of the source or target CRS has a vertical - component but not the other one, the one that has no vertical component is - automatically promoted to a 3D version, where its vertical axis is the + "Promote" 2D CRS(s) to their 3D version, where the vertical axis is the ellipsoidal height in metres, using the ellipsoid of the base geodetic CRS. + Depending on PROJ versions and the exact nature of the CRS involved, + especially before PROJ 9.1, a mix of 2D and 3D CRS could lead to 2D or 3D + transformations. Starting with PROJ 9.1, both CRS need to be 3D for vertical + transformation to possibly happen. .. option:: --output-id=AUTH:NAME |