Hi Rene, I am frequently drawing one, two or more graphs on the same plot using TH2F as an underlying histogram. To fit all the graphs (with some margines) into the histogram I have to use the folowing procedure - find min/max of all graphs - book or rebin the histogram to fit min max - draw hist - draw graphs I also need to apply this procedure every time one of the graphs changes to fit it into the histogram. Could you make this procedure a kind of automatic? Why should a user deal with booking a histogram, finding/setting min and max, number of bins, etc. A kind of normal way to do it is use somethig like TMultipleGraph *MultipleGraph = new TMultipleGraph(Graph1); MultipleGraph->Draw(); MultipleGraph->AddGraph(Graph2); etc. Or I am missing something as usual?:)) Regards, Anton
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