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-rw-r--r--docs/source/operations/projections/index.rst1
-rw-r--r--docs/source/operations/projections/sch.rst65
2 files changed, 66 insertions, 0 deletions
diff --git a/docs/source/operations/projections/index.rst b/docs/source/operations/projections/index.rst
index 1e893e97..b2f57987 100644
--- a/docs/source/operations/projections/index.rst
+++ b/docs/source/operations/projections/index.rst
@@ -118,6 +118,7 @@ Projections map the spherical 3D space to a flat 2D space.
robin
rouss
rpoly
+ sch
sinu
somerc
stere
diff --git a/docs/source/operations/projections/sch.rst b/docs/source/operations/projections/sch.rst
new file mode 100644
index 00000000..f987d75d
--- /dev/null
+++ b/docs/source/operations/projections/sch.rst
@@ -0,0 +1,65 @@
+.. _sch:
+
+********************************************************************************
+Spherical Cross-track Height
+********************************************************************************
++---------------------+--------------------------------------------------------+
+| **Classification** | Miscellaneous |
++---------------------+--------------------------------------------------------+
+| **Available forms** | Forward and inverse. |
++---------------------+--------------------------------------------------------+
+| **Defined area** | Global |
++---------------------+--------------------------------------------------------+
+| **Alias** | sch |
++---------------------+--------------------------------------------------------+
+| **Domain** | 3D |
++---------------------+--------------------------------------------------------+
+| **Input type** | 3D coordinates |
++---------------------+--------------------------------------------------------+
+| **Output type** | Projected coordinates |
++---------------------+--------------------------------------------------------+
+
+ proj-string: ``+proj=sch +plat_0=XX +plon_0=XX +phdg_0=XX``
+
+The SCH coordinate system is a sensor aligned coordinate system developed at
+JPL (Jet Propulsion Laboratory) for radar mapping missions.
+
+See :cite:`Hensley2002`
+
+
+Parameters
+################################################################################
+
+Required
+-------------------------------------------------------------------------------
+
+.. option:: +plat_0=<value>
+
+ Peg latitude (in degree)
+
+.. option:: +plon_0=<value>
+
+ Peg longitude (in degree)
+
+.. option:: +phdg_0=<value>
+
+ Peg heading (in degree)
+
+Optional
+-------------------------------------------------------------------------------
+
+.. option:: +h_0=<value>
+
+ Average height (in metre)
+
+ *Defaults to 0.0.*
+
+.. include:: ../options/lon_0.rst
+
+.. include:: ../options/x_0.rst
+
+.. include:: ../options/y_0.rst
+
+.. include:: ../options/ellps.rst
+
+.. include:: ../options/R.rst