Map with qcustomplot how to realize the waveform, is the value of a waveform filling crest, don't fill the effect of the trough, namely to a level high, higher than the highly populated, below do not fill the height
CodePudding user response:
Modify qcustomplot source drawing in functionCodePudding user response:
Wait for bosses to explain, drawing some really badCodePudding user response:
Instance inside seem to have this kind of figure, curve below the filling