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| author | John Krasting <John.Krasting@noaa.gov> | 2020-05-18 20:04:04 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-19 02:04:04 +0200 |
| commit | 2e5470387df8c713af18e601c0e6a4b352294556 (patch) | |
| tree | 4dc47c9db6be5527e1b7938c4ae30b41b00c6b07 /docs/source/operations | |
| parent | 9c501221de38e0e4462e9852df8f5a621688de68 (diff) | |
| download | PROJ-2e5470387df8c713af18e601c0e6a4b352294556.tar.gz PROJ-2e5470387df8c713af18e601c0e6a4b352294556.zip | |
Implemented IGH Oceanic View (#2226)
- The current implementation of the Interrupted Goode Homolosine
projection emphasizes land area. This is a compliment projection
that emphasizes ocean area.
- A value of lon0=-160 produces a reasonable real-world map.
Diffstat (limited to 'docs/source/operations')
| -rw-r--r-- | docs/source/operations/projections/igh_o.rst | 42 | ||||
| -rw-r--r-- | docs/source/operations/projections/images/igh_o.png | bin | 0 -> 384379 bytes | |||
| -rw-r--r-- | docs/source/operations/projections/index.rst | 1 |
3 files changed, 43 insertions, 0 deletions
diff --git a/docs/source/operations/projections/igh_o.rst b/docs/source/operations/projections/igh_o.rst new file mode 100644 index 00000000..2df7223a --- /dev/null +++ b/docs/source/operations/projections/igh_o.rst @@ -0,0 +1,42 @@ +.. _igh_o: + +******************************************************************************** +Interrupted Goode Homolosine (Oceanic View) +******************************************************************************** + ++---------------------+----------------------------------------------------------+ +| **Classification** | Pseudocylindrical | ++---------------------+----------------------------------------------------------+ +| **Available forms** | Forward and inverse, spherical projection | ++---------------------+----------------------------------------------------------+ +| **Defined area** | Global | ++---------------------+----------------------------------------------------------+ +| **Alias** | igh_o | ++---------------------+----------------------------------------------------------+ +| **Domain** | 2D | ++---------------------+----------------------------------------------------------+ +| **Input type** | Geodetic coordinates | ++---------------------+----------------------------------------------------------+ +| **Output type** | Projected coordinates | ++---------------------+----------------------------------------------------------+ + + +.. figure:: ./images/igh_o.png + :width: 500 px + :align: center + :alt: Interrupted Goode Homolosine + + proj-string: ``+proj=igh_o +lon_0=-160`` + +Parameters +################################################################################ + +.. note:: All parameters are optional for the projection. A value of +lon_0=-160 is recommended. + +.. include:: ../options/lon_0.rst + +.. include:: ../options/R.rst + +.. include:: ../options/x_0.rst + +.. include:: ../options/y_0.rst diff --git a/docs/source/operations/projections/images/igh_o.png b/docs/source/operations/projections/images/igh_o.png Binary files differnew file mode 100644 index 00000000..35910f50 --- /dev/null +++ b/docs/source/operations/projections/images/igh_o.png diff --git a/docs/source/operations/projections/index.rst b/docs/source/operations/projections/index.rst index fc2ef9fd..169187cc 100644 --- a/docs/source/operations/projections/index.rst +++ b/docs/source/operations/projections/index.rst @@ -64,6 +64,7 @@ Projections map the spherical 3D space to a flat 2D space. healpix rhealpix igh + igh_o imw_p isea kav5 |
