ROOT Forum

Topic	Replies	Views	Activity
Newbie forum for when you're not sure News If you’re new to ROOT, C++, data analysis etc, and you hesitate to ask your question, then please ask it in the Newbie section, where nice people help and we have special rules to be more welcoming. Don’t hesitate, jus…	2	8561	September 24, 2018
Welcome to the ROOT forum! News	1	4545	February 10, 2017
Intersection of simple shapes (points/lines/surfaces) in 3D geometry with ROOT ROOT	1	9	October 20, 2021
Root build:: jemalloc breaks libcppyy ROOT build	5	52	October 20, 2021
Canvas not showing ROOT root	0	7	October 20, 2021
Plotting difference between two branches of two ttree ROOT	0	9	October 20, 2021
RDataFrame multi threading slower than one thread ROOT rdataframe	8	27	October 20, 2021
Drawing a THStack of TH2 histograms with a specified view angle/rotation ROOT hist	2	26	October 20, 2021
Error in installing Root 6.24.04 on Ubuntu 16.04 ROOT	1	13	October 20, 2021
Plotting the contour lines Newbie	2	15	October 20, 2021
Trouble integrating over range Roofit and RooStats	5	64	October 20, 2021
Difference in integral function in Root version 6.24 and 6.22 ROOT root	0	12	October 20, 2021
Pyroot script crashes when adding second axis Newbie graphics , python , root	3	20	October 20, 2021
Legend for THStack Newbie	4	17	October 20, 2021
Root merging problem Newbie	8	71	October 20, 2021
RDataFrame vs TTree performances ROOT rdataframe	3	29	October 20, 2021
Why the integral is so large? ROOT	3	17	October 20, 2021
Plotting the data points from Tefficiency in customized bins Newbie	3	10	October 20, 2021
CMAKE_Fortran_COMPILER-NOTFOUND ROOT build	2	24	October 20, 2021
How to set the gas gain Garfield++	1	15	October 20, 2021
Issue with plotting uncertainity bands in post-fit plot ROOT	10	56	October 20, 2021
Long time of starting root.exe or rootls ROOT	9	42	October 19, 2021
Assigning the same magnetic field strength to a colorbar at a contour plot Newbie	2	17	October 19, 2021
Make a Lorentz vector and extract mass using arrays in the root file Newbie	6	84	October 19, 2021
TEfficiency using histograms from a separate root file Newbie	2	21	October 19, 2021
ROOT::Fit:Fitter in multithreaded application error: ROOT	0	14	October 19, 2021
Crash without errors while creating graph from big CSV ROOT	7	33	October 19, 2021
TGraph and Scale()? ROOT	3	4909	October 19, 2021
How to insert chinese character in root? ROOT	2	33	October 19, 2021
RDataFrame -> RNode not converting from compiled C++ function input in pyROOT ROOT rdataframe	1	19	October 19, 2021

Newbie forum for when you're not sure

If you’re new to ROOT, C++, data analysis etc, and you hesitate to ask your question, then please ask it in the Newbie section, where nice people help and we have special rules to be more welcoming. Don’t hesitate, jus…