Functions
TFile	f ("./93ref0.root")

h1d	SetTitle ("30 GeV e- on 20 X0 Fe : energy dep, longit profil")

h1d	GetXaxis () -> SetTitle("depth (X0)")

h1d	GetYaxis () -> SetTitle("(100/E0) (dE/dt)")

h1d	SetStats (kFALSE)

h1d	Draw ("HIST")

in	open ("pdg.ascii")

	while (1)

in	close ()

h1f	SetLineColor (2)

h1f	Draw ("SAME")

legend	AddEntry (h1d,"93ref0","l")

legend	AddEntry (h1f,"EGS4","L")

legend	Draw ()

Variables
TH1D *	h1d = (TH1D*) f.Get("4")

ifstream	in

int	nb_bins = 40

float	x_min = 0

float	x_max = 20

TH1F *	h1f = new TH1F("h1f","",nb_bins,x_min,x_max)

Float_t	x

Float_t	y

TLegend *	legend = new TLegend(0.65,0.55,0.85,0.68)

Function Documentation

◆ AddEntry() [1/2]

legend AddEntry	(	h1d	,
		"93ref0"	,
		"l"
	)

◆ AddEntry() [2/2]

legend AddEntry	(	h1f	,
		"EGS4"	,
		"L"
	)

◆ close()

in close ( )

◆ Draw() [1/3]

h1d Draw ( "HIST" )

◆ Draw() [2/3]

h1f Draw ( "SAME" )

◆ Draw() [3/3]

legend Draw ( )

◆ f()

TFile f ( "./93ref0.root" )

◆ GetXaxis()

h1d GetXaxis ( ) -> SetTitle("depth (X0)")

◆ GetYaxis()

h1d GetYaxis ( ) -> SetTitle("(100/E0) (dE/dt)")

◆ open()

in open ( "pdg.ascii" )

◆ SetLineColor()

h1f SetLineColor ( 2 )

◆ SetStats()

h1d SetStats ( kFALSE )

◆ SetTitle()

h1d SetTitle	(	"30 GeV e- on 20 X0 Fe : energy	dep,
		longit profil"
	)

◆ while()

while ( 1 )

Definition at line 24 of file egs4.C.

              {
       in >> x >> y ;
       if (!in.good()) break;
       h1f->Fill(x,y);
    }

Variable Documentation

◆ h1d

TH1D* h1d = (TH1D*) f.Get("4")

Definition at line 6 of file egs4.C.

◆ h1f

TH1F* h1f = new TH1F("h1f","",nb_bins,x_min,x_max)

Definition at line 21 of file egs4.C.

◆ in

ifstream in

Definition at line 14 of file egs4.C.

◆ legend

TLegend* legend = new TLegend(0.65,0.55,0.85,0.68)

Definition at line 36 of file egs4.C.

◆ nb_bins

int nb_bins = 40

Definition at line 18 of file egs4.C.

◆ x

Float_t x

Definition at line 23 of file egs4.C.

◆ x_max

float x_max = 20

Definition at line 20 of file egs4.C.

◆ x_min

float x_min = 0

Definition at line 19 of file egs4.C.

◆ y

Float_t y