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View Full Version : Displaying intensity values of Spectrogram in trackertext.



Sachtech
24th July 2008, 06:41
hi,

I wan't to display the intensity value of a pixel (in the Spectrogram example) along with the x and y co-ordinates in the qwtplotzoomer trackertext. how do i do it . :(

thanks.

Uwe
25th July 2008, 09:38
Overload QwtPlotZoomer::trackerText. Here you need to have access to your data object, that can give you the value for the current position.

Uwe