add landau fit plots

Author: sixie

doc/paper/LGAD_May2017/figs/MPVFitExample_Landau.C

@@ -0,0 +1,90 @@
+void MPVFitExample_Landau()
+{
+//=========Macro generated from canvas: cv/cv
+//=========  (Tue Feb 20 19:39:51 2018) by ROOT version6.08/05
+   TCanvas *cv = new TCanvas("cv", "cv",731,81,800,800);
+   gStyle->SetOptStat(0);
+   gStyle->SetOptTitle(0);
+   cv->Range(-0.025,-7.771458,0.225,69.94312);
+   cv->SetFillColor(0);
+   cv->SetBorderMode(0);
+   cv->SetBorderSize(2);
+   cv->SetFrameBorderMode(0);
+   cv->SetFrameBorderMode(0);
+   
+   TH1F *h_mpv__1 = new TH1F("h_mpv__1","h_mpv",100,0,0.5);
+   h_mpv__1->SetBinContent(5,2);
+   h_mpv__1->SetBinContent(6,8);
+   h_mpv__1->SetBinContent(7,20);
+   h_mpv__1->SetBinContent(8,44);
+   h_mpv__1->SetBinContent(9,52);
+   h_mpv__1->SetBinContent(10,27);
+   h_mpv__1->SetBinContent(11,26);
+   h_mpv__1->SetBinContent(12,12);
+   h_mpv__1->SetBinContent(13,8);
+   h_mpv__1->SetBinContent(14,5);
+   h_mpv__1->SetBinContent(15,4);
+   h_mpv__1->SetBinContent(16,5);
+   h_mpv__1->SetBinContent(17,5);
+   h_mpv__1->SetBinContent(18,3);
+   h_mpv__1->SetBinContent(19,4);
+   h_mpv__1->SetBinContent(20,1);
+   h_mpv__1->SetBinContent(22,3);
+   h_mpv__1->SetBinContent(23,1);
+   h_mpv__1->SetBinContent(25,1);
+   h_mpv__1->SetBinContent(29,2);
+   h_mpv__1->SetBinContent(30,1);
+   h_mpv__1->SetBinContent(32,1);
+   h_mpv__1->SetBinContent(37,1);
+   h_mpv__1->SetBinContent(39,1);
+   h_mpv__1->SetBinContent(45,1);
+   h_mpv__1->SetBinContent(46,1);
+   h_mpv__1->SetEntries(239);
+   
+   TF1 *PrevFitTMP1 = new TF1("PrevFitTMP","landau",0,0.5);
+   PrevFitTMP1->SetFillColor(19);
+   PrevFitTMP1->SetFillStyle(0);
+   PrevFitTMP1->SetLineColor(2);
+   PrevFitTMP1->SetChisquare(21.76818);
+   PrevFitTMP1->SetNDF(23);
+   PrevFitTMP1->GetXaxis()->SetLabelFont(42);
+   PrevFitTMP1->GetXaxis()->SetLabelSize(0.035);
+   PrevFitTMP1->GetXaxis()->SetTitleSize(0.035);
+   PrevFitTMP1->GetXaxis()->SetTitleFont(42);
+   PrevFitTMP1->GetYaxis()->SetLabelFont(42);
+   PrevFitTMP1->GetYaxis()->SetLabelSize(0.035);
+   PrevFitTMP1->GetYaxis()->SetTitleSize(0.035);
+   PrevFitTMP1->GetYaxis()->SetTitleFont(42);
+   PrevFitTMP1->SetParameter(0,254.3886);
+   PrevFitTMP1->SetParError(0,44.12429);
+   PrevFitTMP1->SetParLimits(0,0,0);
+   PrevFitTMP1->SetParameter(1,0.0397622);
+   PrevFitTMP1->SetParError(1,0.0006864592);
+   PrevFitTMP1->SetParLimits(1,0,0);
+   PrevFitTMP1->SetParameter(2,0.004548035);
+   PrevFitTMP1->SetParError(2,0.0007827976);
+   PrevFitTMP1->SetParLimits(2,0,0.292025);
+   h_mpv__1->GetListOfFunctions()->Add(PrevFitTMP1);
+   h_mpv__1->SetLineWidth(2);
+   h_mpv__1->GetXaxis()->SetTitle("Amplitude [V]");
+   h_mpv__1->GetXaxis()->SetRange(1,40);
+   h_mpv__1->GetXaxis()->SetLabelFont(42);
+   h_mpv__1->GetXaxis()->SetLabelSize(0.035);
+   h_mpv__1->GetXaxis()->SetTitleSize(0.035);
+   h_mpv__1->GetXaxis()->SetTitleOffset(1.3);
+   h_mpv__1->GetXaxis()->SetTitleFont(42);
+   h_mpv__1->GetYaxis()->SetTitle("Events / ( 0.005V )");
+   h_mpv__1->GetYaxis()->SetLabelFont(42);
+   h_mpv__1->GetYaxis()->SetLabelSize(0.035);
+   h_mpv__1->GetYaxis()->SetTitleSize(0.035);
+   h_mpv__1->GetYaxis()->SetTitleOffset(1.3);
+   h_mpv__1->GetYaxis()->SetTitleFont(42);
+   h_mpv__1->GetZaxis()->SetLabelFont(42);
+   h_mpv__1->GetZaxis()->SetLabelSize(0.035);
+   h_mpv__1->GetZaxis()->SetTitleSize(0.035);
+   h_mpv__1->GetZaxis()->SetTitleFont(42);
+   h_mpv__1->Draw("e1");
+   cv->Modified();
+   cv->cd();
+   cv->SetSelected(cv);
+}