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Diffstat (limited to 'docs/source/apps/cct.rst')
| -rw-r--r-- | docs/source/apps/cct.rst | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/docs/source/apps/cct.rst b/docs/source/apps/cct.rst index 20aec06c..a08f1471 100644 --- a/docs/source/apps/cct.rst +++ b/docs/source/apps/cct.rst @@ -13,18 +13,18 @@ cct Synopsis ******** - **cct** [ **-cotvz** [ args ] ] *+opts[=arg]* file[s] + **cct** [ **-cIostvz** [ args ] ] *+opts[=arg]* file[s] Description *********** :program:`cct` a 4D equivalent to the :program:`proj` projection program, -performs transformation coordinate systems on a set of input points. The -coordinate system transformation can include translation between projected +performs transformation coordinate systems on a set of input points. The +coordinate system transformation can include translation between projected and geographic coordinates as well as the application of datum shifts. -The following control parameters can appear in any order: +The following control parameters can appear in any order: .. program:: cct @@ -32,23 +32,27 @@ The following control parameters can appear in any order: Specify input columns for (up to) 4 input parameters. Defaults to 1,2,3,4. +.. option:: -I + + Do the inverse transformation. + .. option:: -o <output file name>, --output=<output file name> Specify the name of the output file. .. option:: -t <time>, --time=<time> - Specify a fixed observation time to be used for all input data. + Specify a fixed observation *time* to be used for all input data. .. option:: -z <height>, --height=<height> - Specify a fixed observation height to be used for all input data. + Specify a fixed observation *height* to be used for all input data. -.. option:: s <n>, --skip-lines=<n> +.. option:: -s <n>, --skip-lines=<n> .. versionadded:: 5.1.0 - Skip the first *n* lines of input. This applies to any kind of input, wether + Skip the first *n* lines of input. This applies to any kind of input, whether it comes from ``STDIN``, a file or interactive user input. .. option:: -v, --verbose @@ -89,7 +93,7 @@ Examples .. code-block:: console - echo 12 55 0 0 | cct +proj=utm +zone=32 +ellps=GRS80 + echo 12 55 0 0 | cct +proj=utm +zone=32 +ellps=GRS80 will transform the input geographic coordinates into UTM zone 32 coordinates. Hence, the command @@ -98,7 +102,7 @@ Hence, the command echo 12 55 | cct -z0 -t0 +proj=utm +zone=32 +ellps=GRS80 -Should give results comparable to the classic proj command +Should give results comparable to the classic :program:`proj` command .. code-block:: console @@ -120,14 +124,14 @@ Should give results comparable to the classic proj command .. code-block:: console - cct -c 5,2,1,4 +proj=utm +ellps=GRS80 +zone=32 + cct -c 5,2,1,4 +proj=utm +ellps=GRS80 +zone=32 5. As (2) but specify fixed height and time, hence needing only 2 cols in input: .. code-block:: console - cct -t 0 -z 0 +proj=utm +ellps=GRS80 +zone=32 + cct -t 0 -z 0 +proj=utm +ellps=GRS80 +zone=32 Background |