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Reference Guide
draw2dopt.C File Reference

Detailed Description

View in nbviewer Open in SWAN Display the various 2-d drawing options

void draw2dopt()
{
TF2 *f2 = new TF2("f2","xygaus + xygaus(5) + xylandau(10)",-4,4,-4,4);
Double_t params[] = {130,-1.4,1.8,1.5,1, 150,2,0.5,-2,0.5, 3600,-2,0.7,-3,0.3};
f2->SetParameters(params);
auto h2 = new TH2F("h2","xygaus + xygaus(5) + xylandau(10)",20,-4,4,20,-4,4);
h2->SetFillColor(46);
h2->FillRandom("f2",40000);
auto pl = new TPaveLabel();
//basic 2-d options
Float_t xMin=0.67, yMin=0.875, xMax=0.85, yMax=0.95;
Int_t cancolor = 17;
auto c2h = new TCanvas("c2h","2-d options",10,10,800,600);
c2h->Divide(2,2);
c2h->SetFillColor(cancolor);
c2h->cd(1);
h2->Draw(); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"SCAT","brNDC");
c2h->cd(2);
h2->Draw("box"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"BOX","brNDC");
c2h->cd(3);
h2->Draw("arr"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"ARR","brNDC");
c2h->cd(4);
h2->Draw("colz"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"COLZ","brNDC");
c2h->Update();
//text option
auto ctext = new TCanvas("ctext","text option",50,50,800,600);
gPad->SetGrid();
ctext->SetFillColor(cancolor);
ctext->SetGrid();
h2->Draw("text"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"TEXT","brNDC");
ctext->Update();
//contour options
auto cont = new TCanvas("contours","contours",100,100,800,600);
cont->Divide(2,2);
gPad->SetGrid();
cont->SetFillColor(cancolor);
cont->cd(1);
h2->Draw("contz"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"CONTZ","brNDC");
cont->cd(2);
gPad->SetGrid();
h2->Draw("cont1"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"CONT1","brNDC");
cont->cd(3);
gPad->SetGrid();
h2->Draw("cont2"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"CONT2","brNDC");
cont->cd(4);
gPad->SetGrid();
h2->Draw("cont3"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"CONT3","brNDC");
cont->Update();
//lego options
auto lego = new TCanvas("lego","lego options",150,150,800,600);
lego->Divide(2,2);
lego->SetFillColor(cancolor);
lego->cd(1);
h2->Draw("lego"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"LEGO","brNDC");
lego->cd(2);
h2->Draw("lego1"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"LEGO1","brNDC");
lego->cd(3);
gPad->SetTheta(61); gPad->SetPhi(-82);
h2->Draw("surf1pol"); pl->DrawPaveLabel(xMin,yMin,xMax+0.05,yMax,"SURF1POL","brNDC");
lego->cd(4);
gPad->SetTheta(21); gPad->SetPhi(-90);
h2->Draw("surf1cyl"); pl->DrawPaveLabel(xMin,yMin,xMax+0.05,yMax,"SURF1CYL","brNDC");
lego->Update();
//surface options
auto surf = new TCanvas("surfopt","surface options",200,200,800,600);
surf->Divide(2,2);
surf->SetFillColor(cancolor);
surf->cd(1);
h2->Draw("surf1"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"SURF1","brNDC");
surf->cd(2);
h2->Draw("surf2z"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"SURF2Z","brNDC");
surf->cd(3);
h2->Draw("surf3"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"SURF3","brNDC");
surf->cd(4);
h2->Draw("surf4"); pl->DrawPaveLabel(xMin,yMin,xMax,yMax,"SURF4","brNDC");
surf->Update();
}
Author
Rene Brun

Definition in file draw2dopt.C.

TH2F
2-D histogram with a float per channel (see TH1 documentation)}
Definition: TH2.h:251
Float_t
float Float_t
Definition: RtypesCore.h:57
Int_t
int Int_t
Definition: RtypesCore.h:45
TF1::SetParameters
virtual void SetParameters(const Double_t *params)
Definition: TF1.h:640
gStyle
R__EXTERN TStyle * gStyle
Definition: TStyle.h:412
TH2::FillRandom
virtual void FillRandom(const char *fname, Int_t ntimes=5000)
Fill histogram following distribution in function fname.
Definition: TH2.cxx:599
TPaveLabel::DrawPaveLabel
virtual void DrawPaveLabel(Double_t x1, Double_t y1, Double_t x2, Double_t y2, const char *label, Option_t *option="")
Draw this pavelabel with new coordinates.
Definition: TPaveLabel.cxx:89
TStyle::SetOptStat
void SetOptStat(Int_t stat=1)
The type of information printed in the histogram statistics box can be selected via the parameter mod...
Definition: TStyle.cxx:1592
TF2
Definition: TF2.h:29
TPaveLabel
Definition: TPaveLabel.h:20
TStyle::SetCanvasColor
void SetCanvasColor(Color_t color=19)
Definition: TStyle.h:327
Double_t
double Double_t
Definition: RtypesCore.h:59
TCanvas
Definition: TCanvas.h:23
gPad
#define gPad
Definition: TVirtualPad.h:287
TStyle::SetFrameFillColor
void SetFrameFillColor(Color_t color=1)
Definition: TStyle.h:355
TH1::Draw
virtual void Draw(Option_t *option="")
Draw this histogram with options.
Definition: TH1.cxx:2997