Logo ROOT   6.08/07
Reference Guide
graphpolar2.C File Reference

Detailed Description

View in nbviewer Open in SWAN Create and draw a polar graph with PI axis

pict1_graphpolar2.C.png
void graphpolar2()
{
TCanvas * CPol = new TCanvas("CPol","TGraphPolar Example",500,500);
Double_t theta[8];
Double_t radius[8];
Double_t etheta[8];
Double_t eradius[8];
for (int i=0; i<8; i++) {
theta[i] = (i+1)*(TMath::Pi()/4.);
radius[i] = (i+1)*0.05;
etheta[i] = TMath::Pi()/8.;
eradius[i] = 0.05;
}
TGraphPolar * grP1 = new TGraphPolar(8, theta, radius, etheta, eradius);
grP1->SetTitle("");
grP1->SetMarkerStyle(20);
grP1->SetMarkerSize(2.);
grP1->SetMarkerColor(4);
grP1->SetLineColor(2);
grP1->SetLineWidth(3);
grP1->Draw("PE");
CPol->Update();
}
Author
Olivier Couet

Definition in file graphpolar2.C.