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| -rw-r--r-- | docs/source/operations/projections/eqearth.rst | 59 | ||||
| -rw-r--r-- | docs/source/operations/projections/images/eqearth.png | bin | 0 -> 393973 bytes | |||
| -rw-r--r-- | docs/source/operations/projections/index.rst | 1 | ||||
| -rw-r--r-- | docs/source/references.bib | 9 |
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diff --git a/docs/source/operations/projections/eqearth.rst b/docs/source/operations/projections/eqearth.rst new file mode 100644 index 00000000..e8b9417d --- /dev/null +++ b/docs/source/operations/projections/eqearth.rst @@ -0,0 +1,59 @@ +.. _eqearth: + +******************************************************************************** +Equal Earth +******************************************************************************** ++---------------------+--------------------------------------------------------+ +| **Classification** | Pseudo cylindrical | ++---------------------+--------------------------------------------------------+ +| **Available forms** | Forward and inverse, spherical projection | ++---------------------+--------------------------------------------------------+ +| **Defined area** | Global | ++---------------------+--------------------------------------------------------+ +| **Alias** | eqearth | ++---------------------+--------------------------------------------------------+ +| **Domain** | 2D | ++---------------------+--------------------------------------------------------+ +| **Input type** | Geodetic coordinates | ++---------------------+--------------------------------------------------------+ +| **Output type** | Projected coordinates | ++---------------------+--------------------------------------------------------+ + + + +.. image:: ./images/eqearth.png + :alt: Equal Earth + + +The Equal Earth projection is intended for making world maps. Equal Earth is a +projection inspired by the Robinson projection, but unlike +the Robinson projection retains the relative size of areas. The projection +was designed in 2018 by Bojan Savric, Tom Patterson and Bernhard Jenny :cite:`Savric2018`. + + +Usage +############################################################################### + +The Equal Earth projection has no special options. Here is +an example of an forward projection on a sphere with a radius of 1 m:: + + $ echo 122 47 | src/proj +proj=eqearth +R=1 + 1.55 0.89 + +Parameters +################################################################################ + +.. note:: All parameters for the projection are optional. + +.. include:: ../options/lon_0.rst + +.. include:: ../options/R.rst + +.. include:: ../options/x_0.rst + +.. include:: ../options/y_0.rst + +Further reading +################################################################################ + +#. Bojan Savric, Tom Patterson & Bernhard Jenny (2018). `The Equal Earth map projection <https://www.researchgate.net/profile/Bojan_Savric2/publication/326879978_The_Equal_Earth_map_projection/links/5b69d0ae299bf14c6d951b77/The-Equal-Earth-map-projection.pdf>`_, International Journal of Geographical Information Science diff --git a/docs/source/operations/projections/images/eqearth.png b/docs/source/operations/projections/images/eqearth.png Binary files differnew file mode 100644 index 00000000..04d23c2d --- /dev/null +++ b/docs/source/operations/projections/images/eqearth.png diff --git a/docs/source/operations/projections/index.rst b/docs/source/operations/projections/index.rst index 77decd6c..a48eabe6 100644 --- a/docs/source/operations/projections/index.rst +++ b/docs/source/operations/projections/index.rst @@ -40,6 +40,7 @@ Projections map the spherical 3D space to a flat 2D space. eck6 eqc eqdc + eqearth euler etmerc fahey diff --git a/docs/source/references.bib b/docs/source/references.bib index aceeb6cc..bd3089ee 100644 --- a/docs/source/references.bib +++ b/docs/source/references.bib @@ -196,6 +196,15 @@ Year = {1993} } +@Article{Savric2018, + Author = {B. Šavrič and T. Patterson and B. Jenny}, + Title = {The Equal Earth map projection}, + Journal = {International Journal of Geographical Information Science}, + Year = {2018}, + Publisher = {Taylor & Francis}, + Doi = {10.1080/13658816.2018.1504949}, + Url = {https://www.researchgate.net/profile/Bojan_Savric2/publication/326879978_The_Equal_Earth_map_projection/links/5b69d0ae299bf14c6d951b77/The-Equal-Earth-map-projection.pdf} +} @Article{Snyder1988, Author = {J. P. Snyder }, |
