Updating QPlot's curve with Qthread

[jendral_hxr]

Ah, yep. So I need to make SIGNAL which triggers certain GUI-related (widget) SLOT?
And I am sorry, the variable names should have been clearer

[Santosh Reddy]

I mean who is owner of the graph, QwtPlot and QwtPlotCurve class objects?

[jendral_hxr]

The 'owner' the QwtPlot, QwtPlotCurve is a class I made myself.

After reading queuedcustomtype example, it's clear to me: I need to make a SIGNAL in a thread to pass some value to a SLOT of widget which has that 'updating' thread So every self-updating widget has to have its own thread within?

Thanks, Santosh Reddy

ummh, it's just embarrassing that the title is QPlot instead of QwtPlot, duh!

[Uwe]

For any type of "realtime" plot I strongly recommend to decouple the refresh rate of your plot widget from the sample rate.

Use a QTimer, that periodically checks if new samples have been collected and calls replot then.

Uwe