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.. _labrd:
********************************************************************************
Laborde
********************************************************************************
+---------------------+----------------------------------------------------------+
| **Classification** | Cylindrical |
+---------------------+----------------------------------------------------------+
| **Available forms** | Forward and inverse, spherical and ellipsoidal |
+---------------------+----------------------------------------------------------+
| **Defined area** | Global, but more accurate around Madagascar |
+---------------------+----------------------------------------------------------+
| **Alias** | labrd |
+---------------------+----------------------------------------------------------+
| **Domain** | 2D |
+---------------------+----------------------------------------------------------+
| **Input type** | Geodetic coordinates |
+---------------------+----------------------------------------------------------+
| **Output type** | Projected coordinates |
+---------------------+----------------------------------------------------------+
.. figure:: ./images/labrd.png
:width: 500 px
:align: center
:alt: Laborde
proj-string: ``+proj=labrd +lon_0=40 +lat_0=-10``
Parameters
################################################################################
Required
--------------------------------------------------------------------------------
.. option:: +lat_0=<value>
Latitude of projection center. Must not be zero.
Optional
--------------------------------------------------------------------------------
.. option:: +azi=<value>
Azimuth of the central line.
*Defaults to 0.0*
.. include:: ../options/lon_0.rst
.. include:: ../options/R.rst
.. include:: ../options/x_0.rst
.. include:: ../options/y_0.rst
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