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Reference Guide
legend1.C File Reference

Functions

leg AddEntry ("f1","Function abs(#frac{sin(x)}{x})","l")
 
leg AddEntry ("gr","Graph with error bars","lep")
 
leg AddEntry (h1,"Histogram filled with random numbers","f")
 
gr Draw ("P")
 
f1 Draw ("same")
 
h1 Draw ()
 
h1 FillRandom ("gaus", 30000)
 
 for (Int_t i=0;i< n;i++)
 
h1 SetFillColor (kGreen)
 
h1 SetFillStyle (3003)
 
leg SetHeader ("The Legend Title")
 
f1 SetLineColor (kBlue)
 
gr SetLineColor (kRed)
 
gr SetLineWidth (2)
 
f1 SetLineWidth (4)
 
gr SetMarkerColor (7)
 
gr SetMarkerSize (1.3)
 
gr SetMarkerStyle (21)
 
gr SetName ("gr")
 
gStyle SetOptStat (0)
 

Variables

return c1
 
Double_t ex [n]
 
Double_t ey [n]
 
TF1f1 =new TF1("f1","1000*TMath::Abs(sin(x)/x)",-10,10)
 
TGraphErrorsgr = new TGraphErrors(n,x,y,ex,ey)
 
TH1Fh1 = new TH1F("h1","TLegend Example",200,-10,10)
 
 leg = new TLegend(0.1,0.7,0.48,0.9)
 
const Int_t n = 20
 
Double_t x [n]
 
Double_t y [n]
 

Function Documentation

◆ AddEntry() [1/3]

leg AddEntry ( "f1"  ,
"Function abs(#frac{sin(x)}{x})"  ,
"l"   
)

◆ AddEntry() [2/3]

leg AddEntry ( "gr"  ,
"Graph with error bars ,
"lep"   
)

◆ AddEntry() [3/3]

leg AddEntry ( h1  ,
"Histogram filled with random numbers"  ,
"f"   
)

◆ Draw() [1/3]

gr Draw ( "P"  )

◆ Draw() [2/3]

f1 Draw ( "same"  )

◆ Draw() [3/3]

h1 Draw ( )

◆ FillRandom()

h1 FillRandom ( "gaus"  ,
30000   
)

◆ for()

for ( )

Definition at line 18 of file legend1.C.

◆ SetFillColor()

h1 SetFillColor ( kGreen  )

◆ SetFillStyle()

h1 SetFillStyle ( 3003  )

◆ SetHeader()

leg SetHeader ( "The Legend Title"  )

◆ SetLineColor() [1/2]

f1 SetLineColor ( kBlue  )

◆ SetLineColor() [2/2]

gr SetLineColor ( kRed  )

◆ SetLineWidth() [1/2]

gr SetLineWidth ( )

◆ SetLineWidth() [2/2]

f1 SetLineWidth ( )

◆ SetMarkerColor()

gr SetMarkerColor ( )

◆ SetMarkerSize()

gr SetMarkerSize ( 1.  3)

◆ SetMarkerStyle()

gr SetMarkerStyle ( 21  )

◆ SetName()

gr SetName ( "gr"  )

◆ SetOptStat()

gStyle SetOptStat ( )

Variable Documentation

◆ c1

return c1

Definition at line 41 of file legend1.C.

◆ ex

Double_t ex[n]

Definition at line 17 of file legend1.C.

◆ ey

Double_t ey[n]

Definition at line 17 of file legend1.C.

◆ f1

TF1* f1 =new TF1("f1","1000*TMath::Abs(sin(x)/x)",-10,10)

Definition at line 11 of file legend1.C.

◆ gr

Definition at line 25 of file legend1.C.

◆ h1

TH1F* h1 = new TH1F("h1","TLegend Example",200,-10,10)

Definition at line 5 of file legend1.C.

◆ leg

leg = new TLegend(0.1,0.7,0.48,0.9)

Definition at line 34 of file legend1.C.

◆ n

Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t n = 20

Definition at line 16 of file legend1.C.

◆ x

Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h x

Definition at line 17 of file legend1.C.

◆ y

Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h y

Definition at line 17 of file legend1.C.