Topics tagged tree

Topic	Replies	Views	Activity
Accessing Object Information Available in TBrowser Without GUI Newbie tree , root	1	123	July 31, 2023
Getting a segfault in a Streamer. Can I flush a TBuffer? ROOT tree , root	3	205	August 11, 2023
TTree creation with TBranches created in loop issue Newbie tree , root	2	272	July 25, 2023
Appending two different branches from two different Tree into one tree Newbie tree	1	123	July 24, 2023
How to fill list into branch with python ROOT python , tree	7	543	August 1, 2023
How to plot Graph from root file ROOT graphics , tree , python , root	7	593	July 31, 2023
Get maximum from TGraph object ROOT graphics , tree , python , root	4	354	July 26, 2023
How to add a branch of user defined class ROOT tree , root	4	324	July 24, 2023
How to divide a root ntuple file into several subfiles? ROOT tree , root	3	187	July 23, 2023
Use ROOT IO as library in a C++ stand alone project Evolution Proposals, Apps & Ideas tree	6	365	July 5, 2023
Extra the data from CMS_open_data.root Newbie tree , root	7	137	July 4, 2023
I have been using this code to plot the mass, momentum of tauon-antitauon pirs and their mother particle zboson, but the TTree are just blank Newbie root , roofit , tree	2	150	July 4, 2023
TTree Draw special function Sum$ not working as expected Newbie tree	4	270	June 28, 2023
Merge multiple events into a new single event ROOT tree , root	3	126	July 12, 2023
TLorentzVector class methods in TTree::Draw(), TFormula ROOT root , tree	7	359	July 10, 2023
How to round values before plotting 2D histogram from TTree Newbie tree , root , hist	9	207	June 16, 2023
Thread safe fill of same tree and histograms from different synchronized threads ROOT hist , tree	3	214	June 27, 2023
Plotting a root output in the same canvas Newbie tree , root	2	141	June 6, 2023
String as a TCut selection criteria Newbie root , tree	2	100	June 6, 2023
Change TTree name in Tdirectory Newbie root , tree	10	448	June 5, 2023
Segmentation violation during Snapshot() of an existing tree using RDataFrame ROOT python , rdataframe , tree , root	5	302	June 13, 2023
TClonesArray with fStreamerType: 501 error while filling/reading a TClonesArray of TLorentzVectors ROOT root , tree	4	125	June 13, 2023
Blank canvas when using THStack and multiple input files ROOT tree , hist , root	6	208	June 6, 2023
How to ensure shower.Distance is found in found in TTree Roofit and RooStats tree	2	159	June 5, 2023
The histogram cannot read rootfile to fillup. It is just empty Newbie hist , roofit , tree , root	2	265	May 18, 2023
Efficient way of event mixing form TTree ROOT tree	4	210	May 31, 2023
RDataFrame Sum() results in NaN for a combination of files ROOT tree , python , rdataframe	4	176	May 31, 2023
Problem With the function tree1->Draw ROOT tree , graphics , root	10	205	May 30, 2023
TTree::Draw() loop over elements in std::vector<double> Newbie tree , root	7	228	May 16, 2023
Impossible to fill the Root tree ROOT root , tree	3	214	May 29, 2023