doc/v626/histfitserver_8C.html

#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);

   }

}

TCanvas.h

TF1.h

TH1F.h

THttpServer.h

TSystem.h

gSystem
R__EXTERN TSystem * gSystem
Definition TSystem.h:559

ROOT::Fit::FitResult::Update
bool Update(const std::shared_ptr< ROOT::Math::Minimizer > &min, const ROOT::Fit::FitConfig &fconfig, bool isValid, unsigned int ncalls=0)
Update the fit result with a new minimization status To be run only if same fit is performed with sam...
Definition FitResult.cxx:275

TCanvas
The Canvas class.
Definition TCanvas.h:23

TF1
1-Dim function class
Definition TF1.h:213

TH1F
1-D histogram with a float per channel (see TH1 documentation)}
Definition TH1.h:575

TH1::FillRandom
virtual void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr)
Fill histogram following distribution in function fname.
Definition TH1.cxx:3526

TH1::Fit
virtual TFitResultPtr Fit(const char *formula, Option_t *option="", Option_t *goption="", Double_t xmin=0, Double_t xmax=0)
Fit histogram with function fname.
Definition TH1.cxx:3893

TH1::Draw
virtual void Draw(Option_t *option="")
Draw this histogram with options.
Definition TH1.cxx:3074

THttpServer
Definition THttpServer.h:31

TSystem::Sleep
virtual void Sleep(UInt_t milliSec)
Sleep milliSec milli seconds.
Definition TSystem.cxx:440

TSystem::ProcessEvents
virtual Bool_t ProcessEvents()
Process pending events (GUI, timers, sockets).
Definition TSystem.cxx:419

c1
return c1
Definition legend1.C:41

h1
TH1F * h1
Definition legend1.C:5

f1
TF1 * f1
Definition legend1.C:11