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.. _bertin1953:
********************************************************************************
Bertin 1953
********************************************************************************
.. versionadded:: 6.0.0
+---------------------+-------------------------------+
| **Classification** | Miscellaneous |
+---------------------+-------------------------------+
| **Available forms** | Forward, spherical projection |
+---------------------+-------------------------------+
| **Defined area** | Global |
+---------------------+-------------------------------+
| **Alias** | bertin1953 |
+---------------------+-------------------------------+
| **Domain** | 2D |
+---------------------+-------------------------------+
| **Input type** | Geodetic coordinates |
+---------------------+-------------------------------+
| **Output type** | Projected coordinates |
+---------------------+-------------------------------+
.. figure:: ./images/bertin1953.png
:width: 500 px
:align: center
:alt: Bertin 1953
proj-string: ``+proj=bertin1953``
The Bertin 1953 projection is intended for making world maps. Created by Jacques Bertin
in 1953, this projection was the go-to choice of the French cartographic school when they
wished to represent phenomena on a global scale. The projection was formulated in 2017
by Philippe Rivière for visionscarto.net.
Usage
###############################################################################
The Bertin 1953 projection has no special options. Its rotation parameters
are fixed. Here is an example of a forward projection with scale 1:
$ echo 122 47 | src/proj +proj=bertin1953 +R=1
0.72 0.73
Parameters
################################################################################
.. note:: All parameters for the projection are optional.
.. include:: ../options/R.rst
.. include:: ../options/x_0.rst
.. include:: ../options/y_0.rst
Further reading
################################################################################
#. Philippe Rivière (2017). `Bertin Projection (1953) <https://visionscarto.net/bertin-projection-1953>`, Visionscarto.net.
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