ROOT Forum

Topic	Replies	Views	Activity
Save a std::map<int,TH1D> to a TFile Newbie	10	430	September 27, 2023
Root2csv segmentation fault for Geant4 merged .root file ROOT root	9	500	September 18, 2023
New python configuration broke root --notebook on Ubuntu Newbie python	9	422	September 5, 2023
Tutorial for beginner (TTree::MakeClass TTree::MakeSelector) Newbie	13	371	December 21, 2023
Coordinates of hottest cell and energy distribution ROOT root , hist	17	406	June 7, 2023
How to adjust the contrast when drawing graysacle histogram by using TH2D ROOT hist , root , jsroot	20	272	October 31, 2023
Wrap 2D histogram over a sphere surface ROOT graphics , hist , root	14	360	July 21, 2023
Display glitches from Ubuntu 22.04 to macOS Ventura ROOT gui	9	390	August 29, 2023
I'm getting only a single value from the EvaluateMVA() method in the TMVAClassificationApplication.C macro TMVA tree , tmva , root	14	342	September 4, 2023
Examples for using modules with Cling? Cling	12	373	October 10, 2023
Exponential Decay Fit Newbie	9	415	August 3, 2023
Execute graphics event loop before the end of the program? ROOT graphics	14	325	July 6, 2023
Failed to import ROOT in jupyter notebook in Scientific Linux 7 ROOT jupyter	17	270	December 18, 2023
I want to add an axis on the right, how do I do it? ROOT graphics	12	392	June 10, 2023
Writing Streamer for I/O of a custom class ROOT io , root	15	325	January 4, 2024
ROOT Compilation Issue:: template parameter redefines default argument ROOT root	14	308	June 13, 2023
Fitting peak under background Newbie	14	336	September 25, 2023
Install problems in ROOT with Dasimage=ON ROOT	12	311	December 8, 2023
How to run ROOT with XCODE on MacBook M1 General Chat	9	334	March 28, 2024
Where can I find a C++ ROOT 6 example? ROOT root	10	344	June 30, 2023
Cmake: root_generate_dictionary naming rootmap and pcm file using target output name instead of target name? ROOT cmake	12	369	June 23, 2023
Problems plotting individual components with RooFit/HistFactory Roofit and RooStats	10	453	January 9, 2024
Can't compile a ROOT 6 macro on Windows 10 Newbie root	10	334	June 6, 2023
Plot two root file in one frame ROOT root	23	197	September 13, 2023
Can TGraph2D be draw with circle and circle size like below? ROOT	20	276	July 27, 2023
Rotate a figure 90 degrees Newbie	10	333	August 1, 2023
JSROOT Canvas Rendered is Empty when drawing hisogram with weights ROOT jsroot	13	300	October 27, 2023
Strange bug when download files from lxplus to local machine Newbie	9	322	December 31, 2023
Performance deterioration starting with ROOT release v6-20 (vectorization in RooFit) Roofit and RooStats	13	298	September 16, 2023
Using python class members with numba declare reading RVec<double> columns ROOT rdataframe	9	335	October 31, 2023
Linking TSpectrum ROOT root	22	263	October 19, 2023
Query for fitting ROOT	18	246	October 3, 2023
Zoom TH1 with mouse wheel - speed is slow ROOT root	14	330	July 17, 2023
Merging 2 trees contents event-by-event ROOT	9	326	October 5, 2023
"fStreamerImpl not properly initialized" with IMT and RDF.RunGraphs in PyRoot ROOT python , rdataframe	15	295	September 28, 2023
Fit multiple peaks with shared parameters Roofit and RooStats	13	250	January 24, 2024
Reading a gntp.0.gtrac.root file Newbie	15	313	June 7, 2023
Very high chi2/ndf value for a 'good looking' fit! ROOT	11	307	December 19, 2023
How to #include <myownheader.h> in rootlogon.C ROOT root	9	305	August 4, 2023
How to properly save custom types to TTree branches in Python ROOT python	9	335	August 28, 2023
Building Cling Interpreter with libxml2 external library Newbie root , python	10	256	December 22, 2023
TTreader Error ROOT hist , root	11	321	June 13, 2023
SetTitle method not working Newbie	13	281	December 23, 2023
TCanvas not displaying ROOT	12	271	September 13, 2023
Failing chi2 fit Roofit and RooStats	9	314	September 26, 2023
JSROOT hangs with TTree::Draw 0% ROOT jsroot	9	326	June 8, 2023
Problem with MathMore Newbie	9	292	November 10, 2023
Transverse mass calculaton with TLorentzVector gives wrong results Newbie root	13	277	June 7, 2023
Greek letters fedora 39 ROOT	16	251	December 20, 2023
* Break * segmentation violation error in a script ROOT	17	287	March 29, 2024