[PyKDE] How to populate a QwtPlotSpectrogram

sole at esrf.fr sole at esrf.fr
Tue Oct 17 19:45:25 BST 2006


Quoting Martin Wiechert :

> Hi list,
> While playing with PyQwt5 I stumbled accross QwtPlotSpectrogram which appears
> to be the official replacement for the "engineered ImagePlotDemo.py" which I
> think not only I am using to display data matrices.
> But I cannot make it work for me:
> >>> b = qwt.QwtPlotSpectrogram ()
> >>> C = qwt.QwtRasterData (c)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> TypeError: Qwt.QwtRasterData represents a C++ abstract class and cannot be 
> instantiated

I am also interested on the QwtPlotSpectrogram but it seems is not ready (yet):


class QwtPlotSpectrogram
    FIXME: protected methods

For the time being I'm also using the "engineered ImagePlotDemo.py" :)

Let's wait for Gerard.


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