It looks like you are linking your own main program (in general a bad idea) and you forgot to link with libHist.so Rene Brun On Fri, 30 May 2003, Mei Wen wrote: > Thanks Rene Brun, > But I got again following error: > > Warning in <TClass::TClass>: no dictionary for class TH1F is available > Warning in <TClass::TClass>: no dictionary for class TH1 is available > Warning in <TClass::TClass>: no dictionary for class TAxis is available > Warning in <TClass::TClass>: no dictionary for class TGraph is available > Warning in <TClass::TClass>: no dictionary for class TProfile is available > Warning in <TClass::TClass>: no dictionary for class TH1D is available > Warning in <TClass::TClass>: no dictionary for class TH2F is available > Warning in <TClass::TClass>: no dictionary for class TH2 is available > > *** Break *** segmentation violation > > :((((((((((((( > > Best Wen Mei > > > On Thu, 29 May 2003, Rene Brun wrote: > > > Hi, > > > > Replace the line: > > > > TTree *newtree = oldtree->CopyTree("h10005"); > > by > > TTree *newtree = (TTree*)oldtree->CloneTree(); > > > > Rene Brun > > > > On Thu, 29 May 2003, > > Meiwen wrote: > > > > > Dear rooters, > > > I want to copy some sub directories from different root files in one root file. But I got always the " *****break segment violation*****". Maybe I did it in a wrong way. Could you please give me a hand? > > > The system is AIX4.3.3, the root version is v3.01-6 and the code is as following: > > > > > > TFile f(calmonbha_in); > > > TTree *oldtree = (TTree*) f.Get("h10005"); > > > TFile *fout = new TFile(current_out, "recreate"); > > > //TTree *newtree = oldtree->CloneTree(); neither Clone tree works > > > TTree *newtree = oldtree->CopyTree("h10005"); > > > newtree->Write(); > > > fout->Write(); > > > > > > Here in the code I got one histogram only for test. I need to copy whole directory named "GENERAL;1". "h10005" is only one of the histograms inside the directory. I have also attempted to use TDirectory::Get() but fail too. > > > > > > Best Wen Mei > > > > > > > >
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