diff --git a/docs/source/usersguide/input.rst b/docs/source/usersguide/input.rst index 18bdd1e30d..73c428e964 100644 --- a/docs/source/usersguide/input.rst +++ b/docs/source/usersguide/input.rst @@ -398,7 +398,7 @@ could be written as: .. code-block:: xml - + @@ -509,6 +509,30 @@ Each ```` element can have the following attributes or sub-elements: *Default*: None + :rotation: + If the cell is filled with a universe, this element specifies the angles in + degrees about the x, y, and z axes that the filled universe should be + rotated. Should be given as three real numbers.For example, if you wanted to + rotate the filled universe by 90 degrees about the z-axis, the cell element + would look something like: + + .. code-block:: xml + + + + *Default*: None + + :translation: + If the cell is filled with a universe, this element specifies a vector that + is used to translate (shift) the universe. Should be given as three real + numbers. + + .. note:: Any translation operation is applied after a rotation, if also + specified. + + *Default*: None + + ```` Element --------------------- @@ -520,8 +544,9 @@ universe. A ```` accepts the following attributes or sub-elements: :id: A unique integer that can be used to identify the surface. - :type: A string indicating the arrangement of lattice cells. Currently, the - only accepted option is "rectangular". + :type: + A string indicating the arrangement of lattice cells. Currently, the only + accepted option is "rectangular". *Default*: rectangular @@ -563,7 +588,6 @@ Each ``material`` element can have the following attributes or sub-elements: A unique integer that can be used to identify the material. :density: - An element with attributes/sub-elements called ``value`` and ``units``. The ``value`` attribute is the numeric value of the density while the ``units`` can be "g/cm3", "kg/m3", "atom/b-cm", "atom/cm3", or "sum". The "sum" unit @@ -579,10 +603,12 @@ Each ``material`` element can have the following attributes or sub-elements: desired nuclide while the ``xs`` attribute is the cross-section identifier. Finally, the ``ao`` and ``wo`` attributes specify the atom or weight percent of that nuclide within the material, respectively. One - example would be as follows:: + example would be as follows: - - + .. code-block:: xml + + + .. note:: If one nuclide is specified in atom percent, all others must also be given in atom percent. The same applies for weight percentages.