Merge remote-tracking branch 'upstream/develop' into mg_docs

docs/source/pythonapi/index.rst

@@ -299,6 +299,33 @@ Multi-group Cross Section Libraries
 
     openmc.mgxs.Library
 
+-------------------------------------
+:mod:`openmc.model` -- Model Building
+-------------------------------------
+
+TRISO Fuel Modeling
+-------------------
+
+Classes
++++++++
+
+.. autosummary::
+   :toctree: generated
+   :nosignatures:
+   :template: myclass.rst
+
+   openmc.model.TRISO
+
+Functions
++++++++++
+
+.. autosummary::
+   :toctree: generated
+   :nosignatures:
+
+   openmc.model.create_triso_lattice
+
+
 .. _Jupyter: https://jupyter.org/
 .. _NumPy: http://www.numpy.org/
 .. _Codecademy: https://www.codecademy.com/tracks/python

docs/source/usersguide/mgxs_library.rst

@@ -173,9 +173,9 @@ attributes/sub-elements required to describe the meta-data:
     provided via the ``scatt_type`` element above, is represented and thus used
     during the scattering process.  Specifically, the options are to either
     convert the Legendre expansion to a tabular representation or leave it as
-    a set of Legendre coefficients.  Converting to a tabular representation will
-    cost memory but can allow for a decrease in runtime compared to leaving as a
-    set of Legendre coefficients.  This element has the following
+    a set of Legendre coefficients.  Converting to a tabular representation
+    will cost memory but can allow for a decrease in runtime compared to
+    leaving as a set of Legendre coefficients.  This element has the following
     attributes/sub-elements:
 
     :enable:
@@ -183,7 +183,7 @@ attributes/sub-elements required to describe the meta-data:
       tabular format should be performed or not.  A value of "true" means
       the conversion should be performed, "false" means it should not.
 
-      *Default*: "false"
+      *Default*: "true"
 
     :num_points:
       If the conversion is to take place the number of tabular points is