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| author | Even Rouault <even.rouault@spatialys.com> | 2020-10-25 18:06:57 +0100 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2020-10-25 21:17:29 +0100 |
| commit | 4559a3f702f3f2e2d796d46458a61f38595d6e08 (patch) | |
| tree | 40f0d59d990727740a2dd7cab6d0ec7c17760c76 /docs/source/operations | |
| parent | 6476108774c8c947f0197ec1acff781f17e6edde (diff) | |
| download | PROJ-4559a3f702f3f2e2d796d46458a61f38595d6e08.tar.gz PROJ-4559a3f702f3f2e2d796d46458a61f38595d6e08.zip | |
Add +proj=col_urban projection, implementing a EPSG projection method used by a number of projected CRS in Colombia (fixes #589)
Diffstat (limited to 'docs/source/operations')
| -rw-r--r-- | docs/source/operations/projections/col_urban.rst | 49 | ||||
| -rw-r--r-- | docs/source/operations/projections/index.rst | 1 |
2 files changed, 50 insertions, 0 deletions
diff --git a/docs/source/operations/projections/col_urban.rst b/docs/source/operations/projections/col_urban.rst new file mode 100644 index 00000000..df2873dd --- /dev/null +++ b/docs/source/operations/projections/col_urban.rst @@ -0,0 +1,49 @@ +.. _col_urban: + +******************************************************************************** +Colombia Urban +******************************************************************************** + +.. versionadded:: 7.2 + ++---------------------+----------------------------------------------------------+ +| **Classification** | Miscellaneous | ++---------------------+----------------------------------------------------------+ +| **Available forms** | Forward and inverse ellipsoidal projection | ++---------------------+----------------------------------------------------------+ +| **Alias** | col_urban | ++---------------------+----------------------------------------------------------+ +| **Domain** | 2D | ++---------------------+----------------------------------------------------------+ +| **Input type** | Geodetic coordinates | ++---------------------+----------------------------------------------------------+ +| **Output type** | Projected coordinates | ++---------------------+----------------------------------------------------------+ + +From :cite:`IOGP2018`: + + The capital cites of each department in Colombia use an urban projection for large + scale topographic mapping of the urban areas. It is based on a plane through + the origin at an average height for the area, eliminating the need for corrections + to engineering survey observations. + + proj-string: ``+proj=col_urban`` + +Parameters +################################################################################ + +.. include:: ../options/lon_0.rst + +.. include:: ../options/lat_0.rst + +.. include:: ../options/ellps.rst + +.. include:: ../options/x_0.rst + +.. include:: ../options/y_0.rst + +.. option:: +h_0=<value> + + Projection plane origin height (in metre) + + *Defaults to 0.0.* diff --git a/docs/source/operations/projections/index.rst b/docs/source/operations/projections/index.rst index 169187cc..48420971 100644 --- a/docs/source/operations/projections/index.rst +++ b/docs/source/operations/projections/index.rst @@ -34,6 +34,7 @@ Projections map the spherical 3D space to a flat 2D space. cea chamb collg + col_urban comill crast denoy |