Hi Lesley, the short answer to all your questions is "yes". To get the detailed answers go to http://root.cern.ch, download and read the ROOT manual. The answers are in there. - best, Pasha ------------------------------------------------------------------------------- Pasha Murat (murat@fnal.gov) | CDF/FNAL B0 trailers 168G, MS 318 office: 630-840-8237 | cell: 630-854-9188 ------------------------------------------------------------------------------- On Thu, 24 Jul 2003, tcli wrote: > Dear root users, > I have two root files (which can be loaded with TFile and TTree) > containing the same types of variables but of course different valuse. > If I want to use TChain to chain them up so that I can do calculations > by extracting the same type of variable from the two files (eg, find the > sum of a particular variable from a file and the same var from another > file), how to create such a Chain? And if I get such a chain of the two > file, can I plot histograms with the chain in the same way I do using a > single TTree file? > > Thank you very much! > > Lesley >
This archive was generated by hypermail 2b29 : Thu Jan 01 2004 - 17:50:13 MET