hi Double_t x_arr=tree->GetV1(); gives the x axis if i understand correctly, tree->GetSelectedRows() returns the total number of count i want the individual count for each elemet of the x_arr thank you Paymon Hosseini On Thu, 14 Nov 2002, Rene Brun wrote: > Hi, > > use tree->GetSelectedRows(). > Also the return value of tree->Draw > > Rene Brun > > On Thu, 14 Nov 2002, payman hosseini wrote: > > > hi > > thank you for your help > > i have another question > > > > > > assume i have > > tree->Draw(branch1) > > > > Double_t x_arr=tree->GetV1(); > > gives the x axis > > > > how can i get the counts for each of the elements in the x_arr? > > > > thank you very much > > > > > > Paymon Hosseini > > > > On Thu, 14 Nov 2002, Rene Brun wrote: > > > > > I do not understand your question. Please explain better what > > > you want to do. If you are new to Root, I suggest to read the > > > examples at $ROOTSYS/test/tree0,1,2,3,4.C > > > > > l> Rene Brun > > > > > > On Wed, 13 Nov 2002, payman hosseini wrote: > > > > > > > > > > > hi > > > > > > > > asuume one has the following tree > > > > > > > > branch1 branch2 > > > > 1 0 > > > > 1 1 > > > > 2 0 > > > > 2 1 > > > > 3 0 > > > > 3 1 > > > > > > > > is there an easy way to break up this tree, so one will have the following > > > > > > > > branch1 branch2 branch3 > > > > 1 0 2 0 3 0 > > > > 1 1 2 1 3 1 > > > > > > > > > > > > > > > > thanks > > > > > > > > paymon hosseini > > > > > > > > > >
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