Refs #9584 Add examples for IndirectTransmission.

Code/Mantid/docs/source/algorithms/IndirectTransmission-v1.rst

@@ -17,4 +17,57 @@ calculate the absorption cross-section. The sample number density &
 thickness is input to then calculate the percentage scattering &
 transmission.
 
+Usage
+-----
+
+**Example - Running IndirectTransmission.**
+
+.. testcode:: ExIndirectTransmissionSimple
+
+    table_ws = IndirectTransmission(Instrument='IRIS', ChemicalFormula="C")
+    param_names = table_ws.column(0)
+    param_values = table_ws.column(1)
+
+    for pair in zip(param_names, param_values):
+      print "%s : %s" % pair
+
+Output:
+
+.. testoutput:: ExIndirectTransmissionSimple
+
+    Wavelength : 6.65800233718
+    Absorption Xsection : 0.0129590747304
+    Coherent Xsection : 5.551
+    Incoherent Xsection : 0.001
+    Total scattering Xsection : 5.552
+    Number density : 0.1
+    Thickness : 0.1
+    Transmission (abs+scatt) : 0.945870519609
+    Total scattering : 0.0540068963808
+
+**Example - Running IndirectTransmission with a specified number density and thickness.**
+
+.. testcode:: ExIndirectTransmissionParams
+
+    table_ws = IndirectTransmission(Instrument='OSIRIS', NumberDensity=0.5, Thickness=0.3, ChemicalFormula="C")
+    param_names = table_ws.column(0)
+    param_values = table_ws.column(1)
+
+    for pair in zip(param_names, param_values):
+      print "%s : %s" % pair
+
+Output:
+
+.. testoutput:: ExIndirectTransmissionParams
+
+    Wavelength : 6.65800233718
+    Absorption Xsection : 0.0129590747304
+    Coherent Xsection : 5.551
+    Incoherent Xsection : 0.001
+    Total scattering Xsection : 5.552
+    Number density : 0.5
+    Thickness : 0.3
+    Transmission (abs+scatt) : 0.433985627752
+    Total scattering : 0.565169943961
+
 .. categories::