Histogram not showing up after drawing

[Pepe_Le_Pew]

Filling TCanvas by arrays and graphing functions

Hello, I’m working on a program in C++ that should graph and save px, py, pz from a tree of generated events. I want to fill TCanvas using arrays and then graph. I’m not sure exactly how to do this, can anybody offer some advice? I’ve copied the code I have so far below. (Please forgive any incorrect terminology or errors- I am a very new beginner!) #include “TChain.h” #include “TCanvas.h” void TChainPractice(){ //creates a chain with tree "T" TChain chain(“h16”); //Adds all the files nee…