Hi rooters, I encounter a strange behavior for a particular .root file. This file has one tree with three branches, two Int_t's and one Double_t. The number of entries is 1089840. Machine: Sun Solaris ROOT/Cint 5.25.0, and 5.14.40 In Root/cint, I type: TFile f("file.root"); then check the data by doing: T->Scan("capt", "ntic==0"); T->Scan("capt", "ntic==1"); T->Scan("capt", "ntic==2"); T->Scan("capt", "ntic==3"); Each one of the Scan produces 120 entries which are all ok. Now I do: T->Draw("capt", "ntic==0", "goff"); T->Draw("capt", "ntic==1", "goff"); T->Draw("capt", "ntic==2", "goff"); The third line results in a frozen screen !!! I need to type Control_C to get out. AFter getting out, I type T. It says: NO Symbol T in current scope... Furthermore, let me represent a sequence of T->Draw() commands as [n1, n2, n3 ...] which means: T->Draw("capt", "ntic==n1", "goff"); T->Draw("capt", "ntic==n2", "goff"); etc.. Using that notation, I find the following situations: [1 3 4 5 ] appears to be ok. [10 9 13 13 ] ok. [10 1 2] ----> freeze! [10 2] ---> freeze! [0 2] ---> freeze! [1 2] ---> freeze! [2 3 4 5 1 2] ---> freeze!! Since the data look fine as browsed by T->Scan(), I have no clue about what is going on. Any suggestion? HP
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