The Spectrogram Layer Control ()
plots a spectrum at successive (usually, but not necessarily,
regularly-spaced) points in a time series.
It is only available for the
Time Plot Window;
you can add one of these controls to the stack by using the
Add Spectrogram Control (
) button
in the control panel toolbar,
or the corresponding item in the Layers menu.
Time Plot window with a Spectrogram layer
This control has layer-specific tabs Data and Style, described below. The Zone tab is described in Appendix A.4.14.1.
To control the colour map used to represent the spectral values,
use the Aux fixed control.