Hi andrew, Use TGraph::SetPoint(i,x,y) to add a new point or modify an existing point. If i is greater than the current number of points, the arrays are automatically expanded. Rene Brun Andrew Sammut wrote: > > Hi all > > I am running Version 4.00/06, 5 June 2004 on a Pentium 4, Windows XP platform. > > I require to use the Tgraph function or any alternative to plot a graph in real time; another program is running in the backround creating the data i require to plot and is being saved in a text file. I require root to access such a text file, perform numeric manipulation and plot the data on a graph. The problem i am having is to give the Tgraph function data items one at a time and not in array form. Is this possible? > > Thank you > > Andrew Sammut
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