Plots and Layouts

[rambo83]

Hello,

can you tell me, how did you manage to draw the plots within a QFrame?

I wanted to include the spectrogram example of qwt in my programm, but nothing is displayed there:

ui_frame_for_plot = qFindChild<QFrame*>(this, "frame_for_plot");
 
Plot *d_plot;
 
d_plot = new Plot(ui_frame_for_plot);
	d_plot->showSpectrogram(true);

ui_frame_for_plot = qFindChild<QFrame*>(this, "frame_for_plot");

Plot *d_plot;

d_plot = new Plot(ui_frame_for_plot);
	d_plot->showSpectrogram(true);

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How can I integrate a QwtPlot into another widget?

Thank you.

best regards,

Vitali

[rambo83]

Ok, I have solved it myself by inserting the QwtPlot into a layout:

QVBoxLayout * layout_plot = new QVBoxLayout(ui_frame_for_plot);
 
	// build object of class "Plot", which will plot the 2D surfaces
	d_plot = new Plot();
	layout_plot->addWidget(d_plot);
	d_plot->showSpectrogram(true);

QVBoxLayout * layout_plot = new QVBoxLayout(ui_frame_for_plot);

	// build object of class "Plot", which will plot the 2D surfaces
	d_plot = new Plot();
	layout_plot->addWidget(d_plot);
	d_plot->showSpectrogram(true);

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Now the plot is displayed.