Hi: I've been using root utility h2root to convert a paw ntuple to a root TTree. There are serveral variables in my ntuple of the form P[Ntracks], Theta[Ntracks],... The question is how could I access and maybe plot a histogram for P[1], or Theta[4] for example? Cheers: Isidro +-----------------------------+------------------------------------+ | Isidro Gonzalez Caballero | mailto:iglez@mastin.ifca.unican.es | | IFCA - Univ. of Cantabria | mailto:iglez@vxcern.cern.ch | | CMS | http://www.ifca.unican.es/~iglez/ | | Tel: 767 6103 | http://wwwcn1.cern.ch/~iglez/ | +-----------------------------+------------------------------------+
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