John Willoughby wrote: > > Hello Rooters > > I have draw a graph using root. I would like to change a few of the > values and then update the modified graph. Can this be done simply? > > thanks > > John You can update a graph directly with the mouse. I suggest you execute the tutorials called "graphh" and "gerrors2" If you have a TGraph *gr, you can also do gr->SetPoint(i,newvalue); gPad->Modified(); //this will trigger update of teh current pad Rene Brun
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