I'm trying to create a TTree with variable size leafs, similar to a column-wise ntuple with a variable size array (eg, two ntuple variables, NTrak(1,10) and Px[NTrak]), but the method that is used in h2root (ie using a contiguous chunk of memory for all variables) would be very difficult to implement. Is there a generic way to do so? cheers... Charles. -- +---------------------------------------------------------------------+ | Charles Leggett | <CGLeggett@lbl.gov> | | Lawrence Berkeley National Lab | HCG / NERSC : Atlas / D0 | | 1 Cyclotron Road, MS 50B-3238 | | | Berkeley, CA 94720 | Eagles may soar, but weasels don't | | (510) 495-2930 room: 50B-3201 | get sucked into jet engines. | +------------------- http://annwm.lbl.gov/~leggett -------------------+
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