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…	4	19356	February 19, 2025
Welcome to the ROOT forum! News	1	8216	February 10, 2017
Issues with the Chrome based Root Browser ROOT	5	29	January 30, 2026
Understanding meaning of variables in pyTorch BatchGenerator tutorial ROOT root	3	19	January 30, 2026
Fit-Non-Convergence ROOT	3	29	January 30, 2026
redirectServers - Server not redirected Roofit and RooStats	5	38	January 29, 2026
Electrons can not drift in xeon Garfield++	1	15	January 29, 2026
Adding custom classes to root with Visual Studio ROOT	33	81	January 29, 2026
Silent crash when adding key to nlohmann::json object with semicolon omitted ROOT bug , cling	3	35	January 28, 2026
How to detect when THttpServer fails to start? ROOT http	5	28	January 27, 2026
THttpServer: force requests with URL beginning by "custom" to go to MissedRequest ROOT http	3	25	January 27, 2026
Field lines crossing conductor plates in neBEM Garfield++	3	39	January 27, 2026
Is there non blocking equivalent to TMethodCall::Execute? Cling	5	37	January 27, 2026
Likelihood Ratio Function (without Fit) Roofit and RooStats	3	47	January 26, 2026
Roofit: PDFs with different domain in the same model (e.g. gauss + lognormal) Roofit and RooStats	8	86	January 22, 2026
Re-Center TGeoVolumeAssembly Geometry root	2	16	January 22, 2026
Use of ROOT macro based on RDF on CERN LXBATCH: data access issue when MT is enabled but inhibited by Condor ROOT rdataframe	2	24	January 22, 2026
What is the proper way to structure C++ macros with modularity in mind? Newbie root , cling	1	21	January 20, 2026
Problems Loading Root to MacBook ROOT	9	92	January 19, 2026
Linking error Newbie gui , root , windows	3	20	January 16, 2026
TGraph.Fit() usage with EnableImplicitMT(). Is TGraph.Fit() thread-safe? ROOT bug , rdataframe	3	51	January 16, 2026
Issues Processing TTrees in Parallel Using TTreeProcessorMT ROOT	3	19	January 29, 2026
Pdf projection difference between root 6.36.06 and root 6.38.00 Roofit and RooStats	3	16	January 29, 2026
Random number generation with RDataFrame ROOT	8	68	January 28, 2026
Announcement of a school dedicated to the simulation of Gaseous Detectors Garfield++	1	43	January 16, 2026
Charge Sharing Phenomenon between Collector and Guard Ring in GARFIELD Ionization Chamber Simulation Garfield++	4	43	January 26, 2026
Problems in PyROOT and calling in ROOT functions ROOT tree , python , root	2	26	January 26, 2026
Comparison of binned data to results of unbinned fit Roofit and RooStats	3	36	January 23, 2026
Reading data of custom classes Newbie windows	23	220	January 9, 2026
Intro and queries regarding GSoc 26' Newbie	2	44	January 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…