void CreateDrawAndSaveHistogramFWHM(TH1* &histo, TString outputdir, TString outputname, bool saveoutput, bool close, bool log=false){
/** @brief saves Histogramm as *.root and *.png and if wanted closes the histograms at the end
* @details This mehtod create a histogramm and save it as root and png file. If you choose close, the canvas is closed after the histogram was saved
*/
setPandaStyle();
// gStyle->SetOptStat(1111);
TString name = TString(histo->GetName());
TString title = TString(histo->GetTitle());
TCanvas * canvas = new TCanvas("c_"+name, title, 0,0,1500,1000);
histo->Draw();
//***** FWHM ******
double max = histo->GetMaximum();
int bin1 = histo->FindFirstBinAbove(max/2);
int bin2 = histo->FindLastBinAbove(max/2);
double lowerbin = histo->GetBinCenter(bin1);
double upperbin = histo->GetBinCenter(bin2) ;
double FWHM = upperbin - lowerbin;
TPaveText * text = new TPaveText(0.2,1500,1,3500);
TString name = TString::Format("FWHM %.4f", FWHM);
text->InsertText(name);
text->SetFillColor(kWhite);
text->SetTextFont(4);
text->SetTextSize(30);
text->SetTextAlign(12);
text->Draw("SAME");
if(log) canvas->SetLogy();
PandaSmartLabel("L");
if (saveoutput){
canvas->Print(outputdir + "root-files/" + outputname + ".root");
canvas->Print(outputdir + "png-files/" + outputname + ".png");
canvas->Print(outputdir + "pdf-files/" + outputname + ".pdf");
}
if (close) canvas->Close();
}
