Using the QwtPlotOpenGLCanvas now.
just addition of this line:
Qt Code:
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Already gave me the needed minimum zooming capabilities.
One note though... unfortunately, lets say when I full-screen the whole app, and mark the zoom rectangle, there is a delay of about ~1s before the zoom occurs. Not sure why there is such huge delay? The plot only contains like 5-6 points...
Any ideas?
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