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…	0	19815	September 24, 2018
Welcome to the ROOT forum! News	0	8432	June 24, 2016
Is the Eve Event Display still supported? ROOT root	7	40	October 30, 2026
Title: Garfield++ TrackSrim: premature termination at low ion energy and possible cluster-size dependence of ionisation yield Garfield++	1	32	October 30, 2026
How to use TF12? ROOT	10	40	October 29, 2026
Exact path of system include folders for rootcling ROOT	6	29	October 29, 2026
Profiling RDF computing performance ROOT	2	47	October 28, 2026
`#include` causes macro executation failure Newbie	0	21	October 27, 2026
stressLinear.cxx in 6.40.04 is broken ROOT	1	30	October 27, 2026
Differences between LD_LIBRARY_PATH and ROOT_LIBRARY_PATH ROOT	5	53	October 26, 2026
Installation issue in Ubuntu 26.04.1 LTS Newbie installation , cling	3	68	October 23, 2026
Rootssh is really slow to start up Newbie	2	48	October 22, 2026
Sphere: Science Physics High Energy Research Environment Evolution Proposals, Apps & Ideas	3	175	October 20, 2026
Avalanche photons in Garfield++ Garfield++ garfield	6	118	October 16, 2026
TArrayI::GetAt() returns Double_t? ROOT	1	56	October 11, 2026
Possible bug in 2D multi-range extended fit with EvalBackend("cpu") Roofit and RooStats	2	77	October 8, 2026
TProfile::Chi2Test is scale invariant ROOT	6	143	October 8, 2026
Transverse mass calculaton with TLorentzVector gives wrong results Newbie root	14	607	October 8, 2026
Segmentation violation using h2root with 6.40.04 ROOT	3	102	October 6, 2026
Question(s) about the migration to cppjit ROOT python	4	75	October 6, 2026
Asimage, libAfterImage, X11 implicit function declaration and conversion errors in compiling from source Newbie build , root	9	99	October 2, 2026
Right Arrow alignment in text ROOT graphics	5	67	September 30, 2026
Embedded Cling partially working Newbie cling	1	58	September 28, 2026
Broken cfortran.h in ROOT ROOT build	2	61	September 25, 2026
Reading object from file currently processed in RDataFrame ROOT rdataframe	3	117	September 17, 2026
Current root file in RDataframe ROOT rdataframe	2	75	September 17, 2026
Rootssh and tcsh Newbie	6	82	September 16, 2026
Question about the scaling factor in ROOT’s weighted Poisson log-likelihood (WLS fit) Roofit and RooStats	11	279	September 15, 2026
Custom RDataSource without (or with limited) multithreading ROOT	3	79	September 11, 2026
Plotting LEGO with SURF Newbie	1	67	September 8, 2026

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…