GTD-PO 6.3

9.1. Observation Directions

Output Menu

This option allows the user to set the position of the observation.

  • Spherical observation. If the position of the source has been defined in spherical coordinates, this option will be available. It is possible to define a parametric sweep for one variable (radius, theta or phi) selecting the check box Source Position Sweep. The initial value for R, theta and phi have to be specified.
    • Final value: final value for the chosen variable (R, theta or phi).
    • Samples: number of samples.

Spherical observation panel.

 

  • Cartesian observation. If the position of the source has been defined in cartesian coordinates, this option will be available. It is possible to define a parametric sweep on t selecting the check box Sweep on 't'. The coordinates x, y and z can be defined with a function which values could depend on the parameter 't'. The initial value for R, theta and phi have to be specified.
    • Initial 't': the initial value for t.
    • Final 't': the final value for t.
    • Samples on 't': number of samples.

Cartesian observation panel.

 

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