Hello, i want to draw TTrees, like i ntuple/plot with paw, and i want to use an interpreted function on the tree data, or at least on a subset of them. But root does not recognize the function in the varexp or selection parameters of TTree->Draw(); Is this impossible (so that i have to employ my own event loop, where it does work) or am i doing something stupid? Greetings, Juergen -- Dr. Juergen Hannappel Office: W148 Phone: +49 228 73 2447 FAX +49 228 73 7869 mailto:hannappe@lisa2.physik.uni-bonn.de Physikalisches Institut der Uni Bonn http://lisa2.physik.uni-bonn.de/~hannappe Nussallee 12, D-53115 Bonn, Germany CERN: Phone: +412276 76461 Fax: 77930 Bat. 892-R-A13 F-01631 CERN CEDEX, France
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