Dear ROOT Users
I am trying to get the functional form of a Germanium pulse from TH1::GetFuntion() method
in ROOT but some how it is not working and giving the error
TFile *f = new TFile(filename); TH1 *hI = (TH1*)f->Get("gated_Tr_1_1"); TF1 *f1 = (TF1*)hI->GetFunction("func"); cout<<f1<<endl; f1->Draw(); // this line giving error It says 0 Error: illegal pointer to class object f1 0x0 2344 current.C:33:
can anyone please help me what should be done ???