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Diffstat (limited to 'docs/source/operations/projections/cea.rst')
| -rw-r--r-- | docs/source/operations/projections/cea.rst | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/docs/source/operations/projections/cea.rst b/docs/source/operations/projections/cea.rst index 3799fbcb..3f8af65f 100644 --- a/docs/source/operations/projections/cea.rst +++ b/docs/source/operations/projections/cea.rst @@ -28,6 +28,22 @@ Equal Area Cylindrical proj-string: ``+proj=cea`` +Named specializations +################################################################################ + +The Equal Area Cylindrical projection is sometimes known under other names when +it is instanciated with particular values of the ``lat_ts`` parameter: + ++----------------------------------+------------+ +| **Name** | **lat_ts** | ++----------------------------------+------------+ +| Lambert cylindrical equal-area | 0 | ++----------------------------------+------------+ +| Behrmann | 30 | ++----------------------------------+------------+ +| Gall-Peters | 45 | ++----------------------------------+------------+ + Parameters ################################################################################ @@ -51,4 +67,13 @@ Parameters ``lat_ts`` and ``k_0`` are mutually exclusive. If ``lat_ts`` is specified, it is equivalent to setting ``k_0`` to - :math:`\frac{\cos \phi_{ts}}{\sqrt{1 - e^2 \sin^2 \phi_{ts}}}`
\ No newline at end of file + :math:`\frac{\cos \phi_{ts}}{\sqrt{1 - e^2 \sin^2 \phi_{ts}}}` + +Further reading +############### + +#. `Wikipedia: Lambert cylindrical equal-area <https://en.wikipedia.org/wiki/Lambert_cylindrical_equal-area_projection>`_ + +#. `Wikipedia: Gall-Peters <https://en.wikipedia.org/wiki/Gall%E2%80%93Peters_projection>`_ + +#. `Wikipedia: Behrmann <https://en.wikipedia.org/wiki/Behrmann_projection>`_ |