== Working with PO Simualtion Data ==
EM.Illumina does not produce any output data on its own unless you define one or more observables for your simulation project. The primary output data in the Physical Optics method are the electric and magnetic surface current distributions on the surface of your structure. At the end of a PO simulation, EM.Illumina generates a number of output data files that contain all the computed simulation data. Once the current distributions are known, EM.Illumina can compute near-field distributions as well as far-field quantities such as radiation patterns and radar cross section (RCS). EM.Illumina currently provides the following observables:
EM.Illumina currently provides the following observables (click on each type to learn more about it):Â * '''[[Data_Visualization_and_Processing#Visualizing_3D_Current_Distribution_Maps | Current Distributions]]'''* '''[[Data_Visualization_and_Processing#The_Field_Sensor_Observable | Near-Field Distributions]]'''* '''[[Far Field - Radiation Patterns]]'''* '''[[Far Fields - Radar Cross Section ]]'''* '''[[Huygens Surface Data ]]'''
=== Visualizing Current Distributions ===