#include "TCanvas.h"
#include "TPad.h"
#include "TMultiGraph.h"
#include "TGraph.h"
#include "TGraphErrors.h"
#include "TAxis.h"
#include "TLegend.h"
#include "TLatex.h"
#include "TROOT.h"
#include "TPaveStats.h"
#include "TStyle.h"
#include <cstdlib> 

void RC() {
   
   const char *datain = "C:/data2.txt";
   const char *dataout = "C:/simulazione/RC.pdf";
   TCanvas *c01 = new TCanvas("c01","Graph",1280,1024);
   float offx=1.3;
   float offy=1.3;
   float margr=0.08;
   float w=3;
   float margl=0.12;
   float line=2;
   gPad->SetLeftMargin(margl);
   gPad->SetRightMargin(margr);
   TGraph *graph = new TGraph(datain,"%lg %lg");
   graph->SetMarkerColor(kBlue);
   graph->SetLineColor(kBlue);
   graph->SetMarkerStyle(3);
   graph->SetMarkerSize(1.3);
   graph->SetLineWidth(line);
   TPaveText *t=new TPaveText(0.7,0.15,0.75,0.2,"brNDC");
   graph->Draw("ap");  
   graph->SetTitle("RC circuit");
   graph->GetXaxis()->SetTitle("Time (s)");
   graph->GetYaxis()->SetTitle("Voltage (V)");
   graph->GetYaxis()->SetTitleOffset(offy);
   graph->GetXaxis()->SetTitleOffset(offx);
   TLegend* leg = new TLegend(0.15, 0.75, .25, .85);
   leg->SetHeader("Legend");
   leg->SetNColumns(1);
   leg->AddEntry(graph, "Data", "ap");
   leg->Draw();
   gPad->Update();
  TPaveStats *stat = (TPaveStats*)(graph->FindObject("stats"));
    stat->SetTextColor(kRed+2);
    stat->SetX1NDC(0.85); stat->SetX2NDC(0.98);
   stat->SetY1NDC(0.79); stat->SetY2NDC(0.94);
    gPad->Update();
   gPad->Update();
   c01->Print(dataout);
}