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Re: Nonuniform raster data resampler for QwtPlotSpectrogram (Qwt 5.2)

Thanks, Uwe. If @perdrix can use this, I'll defer looking into it.

Re: Nonuniform raster data resampler for QwtPlotSpectrogram (Qwt 5.2)

QwtMatrixRasterData is a convenience API for uniform data - if your data is non uniform use QwtRasterData ( its base class ).


class YourRasterData : public QwtRasterData
{
public:
...

Re: Nonuniform raster data resampler for QwtPlotSpectrogram (Qwt 5.2)

If I can find time, I will look at the original code to see if it can be ported to QCustomPlot. Quite honestly, I don't remember much about it :confused:

Re: Nonuniform raster data resampler for QwtPlotSpectrogram (Qwt 5.2)

I'd happily use QCustomPlot!

The problem is that your old code won't even compile with Qwt 6.3! Ho-hum. Let me be clear I'm dealing with very sparse data so I have perhaps only 100 to 150...

Re: Nonuniform raster data resampler for QwtPlotSpectrogram (Qwt 5.2)

Unfortunately, I stopped using Qwt nearly 10 years ago and have not touched this code since then. I switched over to QCustomPlot, which I find to be easily customized and extended.



In what...