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	19498	February 19, 2025
Welcome to the ROOT forum! News	1	8281	February 10, 2017
TRotation in a Tree Newbie	2	15	April 25, 2026
Creating a custom gas with imported transport data Garfield++	12	64	April 24, 2026
There is GraphicalCut button in ROOT 6.38 WebUI ROOT	4	30	April 24, 2026
Find which lib to link against Newbie	3	18	April 24, 2026
About TF1 interface and the fitting function for the ROOT::Fit::Fitter Newbie	1	19	April 23, 2026
Error in ComponentGrid::GetData? Garfield++	3	33	April 23, 2026
Call to constructor of 'TF1' is ambiguous Newbie	2	31	April 23, 2026
Trying simulationo of the hole(mesh) in the garfield++ Garfield++ root	7	60	April 23, 2026
ROOT fails on my Mac after an update ROOT	7	61	April 22, 2026
Magboltz attachment coefficients at low electric field strength Garfield++	2	27	April 21, 2026
Unknown issue with Tree /reading ROOT	11	21	April 21, 2026
Efficiency issue when reading a persistent branch from file Newbie	3	31	April 21, 2026
Critical error detected c0000374 with minimal example Newbie	9	39	April 20, 2026
TTreeProcessorMT deadlock in ROOT cmd line ROOT	3	34	April 17, 2026
Intermittent shutdown memory crash in compiled ROOT app (bus error / segfault / malloc smallbin corruption) with minimal reproducer ROOT	2	28	April 15, 2026
[Windows] ROOT 6.38 + Python 3.14: No module named 'libcppyy' [CEA 52284] ROOT python , windows	3	22	April 15, 2026
A memory leak with RDataFrame.AsNumpy() and vector<vector<vector<float>>> ROOT python	9	112	April 14, 2026
TBufferMerger fails to write histograms to output file for Alma Linux ROOT hist	7	53	April 13, 2026
Cannot connect to the RGeomViewer/THttpEngine ROOT	8	43	April 24, 2026
Extended Likelihood Question of ROOFIT Roofit and RooStats root	6	39	April 24, 2026
TImage DrawCircle cause core dump ROOT root	4	33	April 23, 2026
TGraph/TMultiGraph yaxis Ndivisions and range ROOT jsroot	10	49	April 21, 2026
Cling error on macOS 26.4 (Homebrew ROOT 6.38.04): missing libc++ header __type_traits/add_lvalue_reference.h and ABI warning ROOT	5	180	April 19, 2026
ROOT error after the new command line tool update : "Command Line Tools for Xcode 26.4" ROOT root	2	57	April 18, 2026
Large changes in branch sizes in later builds of ROOT ROOT root	6	88	April 1, 2026
Clinglite + idacling : C++ REPL for IDA Pro Cling cling	2	36	April 14, 2026
NeBem error during installation in macos 12.4.8 sonoma Garfield++	3	41	April 13, 2026
Bug in h2root General Chat	12	83	March 30, 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…