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| author | Kristian Evers <kristianevers@gmail.com> | 2019-12-07 19:48:04 +0100 |
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| committer | Kristian Evers <kristianevers@gmail.com> | 2019-12-07 19:48:04 +0100 |
| commit | 9750c044740692f757bfd7c6760f69a8683c330a (patch) | |
| tree | 53a6b550d6dc8fc512571631162585b2d566320c /docs/source/operations | |
| parent | b6f0153e5aa27dc11d2c879dc4a62a0f35a122cb (diff) | |
| download | PROJ-9750c044740692f757bfd7c6760f69a8683c330a.tar.gz PROJ-9750c044740692f757bfd7c6760f69a8683c330a.zip | |
Add intro and table to isea doc page
Diffstat (limited to 'docs/source/operations')
| -rw-r--r-- | docs/source/operations/projections/isea.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/docs/source/operations/projections/isea.rst b/docs/source/operations/projections/isea.rst index 1afedc30..968d468b 100644 --- a/docs/source/operations/projections/isea.rst +++ b/docs/source/operations/projections/isea.rst @@ -4,6 +4,31 @@ Icosahedral Snyder Equal Area ******************************************************************************** +The Icosaheadra Snyder Equal Area projection is a series of equal-area map +projections. Lines of constant distortion follow approximately oval or +rectangular paths instead of the circles of the Lambert Azimuthal Equal-Area +projection or the straight lines of the Cylindrical Equal-Area projection. The +projection series permits design of equal-area maps of oblong regions with less +overall distortion of shape and scale than equal-area maps on other projections +:cite:`Snyder1988`. + ++---------------------+----------------------------------------------------------+ +| **Classification** | Polyhedral, equal Area | ++---------------------+----------------------------------------------------------+ +| **Available forms** | Forward, spherical | ++---------------------+----------------------------------------------------------+ +| **Defined area** | Global | ++---------------------+----------------------------------------------------------+ +| **Alias** | isea | ++---------------------+----------------------------------------------------------+ +| **Domain** | 2D | ++---------------------+----------------------------------------------------------+ +| **Input type** | Geodetic coordinates | ++---------------------+----------------------------------------------------------+ +| **Output type** | Projected coordinates | ++---------------------+----------------------------------------------------------+ + + .. figure:: ./images/isea.png :width: 500 px :align: center |