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	19611	February 19, 2025
Welcome to the ROOT forum! News	1	8327	February 10, 2017
SetBranchStatus - third flag? Evolution Proposals, Apps & Ideas	4	68	June 16, 2026
TF1 constructor broken in ROOT 6.40.02 ROOT	7	25	June 16, 2026
TChain::Add(TChain*) leaves GetEntries() reporting a wrong, too-small value ROOT tree , root	3	12	June 16, 2026
Building problem with GPU Garfield++	2	32	June 16, 2026
Using numba declare for python MVA node processing ROOT python , rdataframe	5	24	June 16, 2026
A possible new approach for faster repeated selections in HEP workflows Evolution Proposals, Apps & Ideas	0	19	June 15, 2026
ROOT 6.38.06 is out! News	1	21	June 12, 2026
ROOT 6.40.02 is out! News	1	27	June 11, 2026
Penning effect for Drift Tube for (Ar/CO2) Garfield++	6	51	June 10, 2026
ROOT 6.26.20 is out! News	1	30	June 10, 2026
Is root running on MacOSX 26? ROOT root	1	20	June 10, 2026
Canvas not drawn in root 6.40.00 Newbie jupyter	7	53	June 8, 2026
Drawing Multi-Valued 3D Plots with Proper Meshes Newbie root	2	21	June 8, 2026
Latin l with TMathText and pdf issue Newbie	9	851	June 5, 2026
TMathText in PDF/SVG export ROOT	4	512	June 5, 2026
[rbatchgenerator#6] Difference between TInterpreter::LoadMacro() and TInterpreter::LoadFile()? Newbie python , root	1	33	June 4, 2026
Magboltz GasFile Generation Newbie	2	26	June 3, 2026
🍿 Invitation: Cult.Repo C++ Documentary YouTube Release News	0	454	June 3, 2026
Root 6.40.00 - glitch in TTree::Draw for 3D (missing bins) ROOT graphics	2	30	June 15, 2026
Best practices for solving overdetermined systems of linear equations Newbie math	4	59	May 29, 2026
Cling JIT session error: Resource tracker 0x5603b58bfa10 became defunct ROOT root	2	22	June 12, 2026
Clipping distance in REve visualisation ROOT	7	52	June 10, 2026
TCut in event loop ROOT	6	47	June 4, 2026
Silent crash when adding key to nlohmann::json object with semicolon omitted ROOT bug , cling	5	97	May 21, 2026
How to write multiple ragged columns with same count variable into RNTuple? ROOT root	2	42	June 4, 2026
ROOT 6.40.00 LTS is out! 🚀 News	1	60	May 20, 2026
Exploring RNTuple network streaming via Apache Arrow Flight ROOT python , root	7	61	June 2, 2026
Add together an arbitrary number of signals plus background Newbie	2	60	May 18, 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…