Best way to link two graphs

[Matthew Martin]

Hello,

I wish to make a UI that contains two graphs, one over the other, and have them linked on the timeline.

The bottom graph will represent a raw audio signal and the top graph the spectrogram of that signal.  When I scroll either graph I wish for the other graph to scroll with it to the corresponding location. Additionally, when I zoom in on one, I would like the other to adjust.

Of course I know I could do this manually with events, but I was curious as to whether other built-in methods might be available.

Cheers

[vas...@gmail.com]

Hi Matthew,

You could try to make two views (one for raw, onefor spectrogram) and link it with setXLink function.

http://www.pyqtgraph.org/documentation/graphicsItems/viewbox.html#pyqtgraph.ViewBox.setXLink  

Cheers,
Vasilije

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