i want to constantly collect datas per second and constantly plot them with waveformgraph.i use waveformgraph.plotYappend(data_plot);how to keep my Xaxis constant.Just as [0,1000],one quire:my plot must be continuous,and my curve is ploted the new 200 samples per second from one side,and the oldest 200 samples just out from another side of Xaxis.how can i do it?ths.
