Hello,
I've got a little problem which I do not understand.
I want to do the following:
fMyTree->Draw("fPM1HV:fPM2HV"); // It works, it gives a scatter plot
TH2* htemp2D = (TH2*)gROOT->FindObject("htemp"); // It works
htemp2D->Draw("lego"); // It does not work, gives me a flat histo...
On the other hand, for 1D histo it works :
fMyTree->Draw("fPM1HV");
TH1* htemp1D = (TH1*)gROOT->FindObject("htemp");
htemp1D->Draw("l"); // This time it works...
Why there is a difference between 1D and 2D histo ?
Thank you.
Cyril Lachaud
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