the SELFCAL SHOW command
Keywords: imager

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### the `SELFCAL SHOW` command

Verifying the convergence of a self-calibration is important. Figure shows an example, while Fig. shows the total phase correction between the original data and the last iteration.

Figure: The magenta`SELFCAL SHOW` output after a phase calibration, showing the convergence of the corrections between the last 2 iterations.

Figure: The magenta`SELFCAL SHOW` 4 output after a phase calibration, showing the difference between iteration 4 and the original data.

The displayed range can be controlled by variables blue`SELF_PRANGE[2]` for the Phase, blue`SELF_ARANGE[2]` for the Amplitude, and blue`SELF_TRANGE[2]` for the Time. Error bars are displayed if blue`ERROR_BARS` is `YES`, as shown in Fig. for amplitude.

Figure: The magenta`SELFCAL SHOW` 4 output after an amplitude self calibration, showing the difference between iteration 4 and the original data, with the error bars.

Next: The Imager PIPELINE tools Up: Specific [rgb]1,0,0IMAGER visualisation tools Previous: The UV_PREVIEW command Contents Index