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-rw-r--r--docs/source/operations/projections/lagrng.rst26
1 files changed, 25 insertions, 1 deletions
diff --git a/docs/source/operations/projections/lagrng.rst b/docs/source/operations/projections/lagrng.rst
index de9e5640..de48a80a 100644
--- a/docs/source/operations/projections/lagrng.rst
+++ b/docs/source/operations/projections/lagrng.rst
@@ -6,5 +6,29 @@ Lagrange
.. image:: ./images/lagrng.png
:scale: 50%
- :alt: Lagrange
+ :alt: Lagrange
+Parameters
+################################################################################
+
+.. note:: All parameters are optional for the Gnomomic projection.
+
+.. option:: +W=<value>
+
+ The factor :option:`+W` is the ratio of the difference in longitude from the
+ central meridian to the a circular meridian to 90. :option:`+W` must be a
+ positive value.
+
+ *Defaults to 2.0*
+
+.. include:: ../options/lon_0.rst
+
+.. include:: ../options/lat_1.rst
+
+.. include:: ../options/ellps.rst
+
+.. include:: ../options/R.rst
+
+.. include:: ../options/x_0.rst
+
+.. include:: ../options/y_0.rst