Hi, I'm using a simple macro to plot some information from an TNtuple, read from a file. The second time I run it, a sequence of errormessages are generated, like "No symbol gProofServer" and "No symbol gProof". Althought everything seems to work out well, I think this shoudl be investigated. I tried to do it myself, but I was soon lost in the code. Therefore, I send you my macro (see below). Regards, Marco van Leeuwen. I'm using root v2.23/09 and the TNtuple in the file is not extraordinary large (5 variables, 105 Entries). --- Macro.C {{ gROOT->Reset(); TCanvas *c1=new TCanvas("c1","Canvas #1",500,500); gPad->DrawFrame(2.5,0.8,40,1.7); TFile fin("vtx_cali_fit.root"); TNtuple *NT = (TNtuple*) fin->Get("NT"); // Leaving this line out or putting it in doesn't change anything Char_t crit[50]; for (Int_t type=1; type < 4; type++) { NT->SetMarkerStyle(type+2); sprintf(&crit,"type==%d",type); NT->Draw("mean:p",crit,"same"); } }}
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