I have a real-time plotting application with multiple plots in one window that
I would like to speed up some. The code is
plspage(0,0,2000,430,0,0);
plsdev("xwin");
plsetopt("drvopt","nobuffered=1");
plinit();
plssub(2,1);
while(1){
//get updated data
getdataPlot1(data_1);
getdataPlot2(data_2);
//update subplot 1
pladv(1);
plenv0(0.0, 1000, 0, 1000, 0, 1);
pllab("time","amp","data plot 1");
plshades(data_1, 1000,1000,NULL,0,1000,0,1000,......);
//update subplot 2
pladv(2);
plenv0(0.0, 1000, 0, 1000, 0, 1);
pllab("time","amp","data plot 2");
plshades(data_2, 1000,1000,NULL,0,1000,0,1000,......);
}//end while(1)
Is there a way to get to subplot 1 or subplot 2 without calling pladv and
having the entire plot, axis, title, etc. erased? Can I avoid having to recall
plenv0 and pllab? Is there a more efficient way to do real-time plotting?
Thank you for your assistance.
Tom
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