Extracting signals (slices) from 3D graphics
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It is often very useful to see extracted slices from 3D graphics as signals. For example, you can extract all values at the same frequency from Time FFT to see how that frequency component changes through time.

You can perform this in SIGVIEW by selecting 3D Tools/Extract X(Y) ruler options from menu (3D graphic must be in a ruler mode). All values from the current ruler position will be extracted to a separate signal window linked to this 3D graphic. By moving 3D ruler along the 3D graphics, this signal will redraw to show the current ruler values. Even if you turn the ruler mode off, the extracted signal will keep showing the corresponding values from the 3D graphics (from the last ruler position).

Extracting signals from 3D graphics