histfitserver.C File Reference

Detailed Description

This program demonstrates simultaneous update of histogram and fitted function.

Every second new random entries add and histogram fitted again. Required at least JSROOT version 5.1.1 to see correct fit function update in browser

 
 
#include "THttpServer.h"
#include "TH1F.h"
#include "TCanvas.h"
#include "TF1.h"
#include "TSystem.h"
 
 
void histfitserver(void)
{
   auto serv = new THttpServer("http:8081");
   auto h1 = new TH1F("h1", "histogram 1", 100, -5, 5);
   auto c1 = new TCanvas("c1");
   auto f1 = new TF1("f1", "gaus", -10, 10);
 
   c1->cd();
   h1->Draw();
 
   while (!gSystem->ProcessEvents()) {
      h1->FillRandom("gaus", 100);
      h1->Fit(f1);
      c1->Modified();
      c1->Update();
      gSystem->Sleep(1000);
   }
}

Author

Sergey Linev

Definition in file histfitserver.C.