rene Scholte wrote: > > hello, > > I've got a problem with the browser. > In root I load the famous event.root with TFile f("event.root'); > and then i make a browser : TBrowser b; . > > now I can scan for instance the eventnumber by rightclicking on the event > folder (in the left pane) and selecting the option scan, with varexp = > fEvtHdr.fEvtNum. This works perfectly. > > But now i want to scan inside ftracks. > > I tried right-clicking on event, selecting scan with varexp = fTracks.fPx, > but al he gives back are zeros. > > the same when I try to scan by right-clicking on ftracks. > > So does anybody know how to view for instance fPx or fBx or any other > datamember of the TClonesArray ftracks with the browser ? TTree::Scan shows only one line per entry in the Tree. In case of an Event with a list of tracks, only the first track is shown. The problem is that an object (Event) may contain lists of different lengths. How to visualize such structures in a browser? Rene Brun
This archive was generated by hypermail 2b29 : Tue Jan 04 2000 - 00:34:30 MET