Once you define an observable, you can always changes its [[parameters]] later from its property dialog, which can be accessed from its right-click contextual menu. You can also delete observables.
[[Image:MORE.png|40px]] Click here to learn more about the various '''[[FDTD Observable TypesData Visualization and Processing]]'''in [[EM.Cube]].
==Modeling 3D Periodic Structures in EM.Tempo==