Ed, TH1I is defined in TH1.h. I do not see any problems with your example. Send a short script reproducing the problem. Rene Brun Edward Moyse wrote: > > Hi, > > Can anyone explain why: > > #include <TH1.h> > vector<TH1S*>* m_particleLevelsHist; > > works, but > #include <TH1.h> > vector<TH1I*>* m_particleLevelsHist; > gives: > > In file included from Analysis.C:1: > Analysis.h:70: `TH1I' was not declared in this scope > > I'd guess that TH1Is aren't supported somehow., especially since there's a > TH1F header which just points to TH1.h, but there's no TH1I.h header doing > the same thing. > > % ls $ROOTSYS/include/TH1* > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1.h > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1C.h > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1D.h > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1F.h > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1K.h > /afs/cern.ch/sw/root/v3.05.07/rh73_gcc296/root/include/TH1S.h > > But this page: > http://root.cern.ch/root/html/TH1I.html > definitely lists TH1Is as an available type of histogram. > > Cheers, > > Ed
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