root-6.10.00/html/eve_2arrow_8C.html

TCanvas *arrow(){

   TCanvas *c1 = new TCanvas("c1");

   c1->Range(0,0,1,1);


   TPaveLabel *par = new TPaveLabel(0.1,0.8,0.9,0.95,"Examples of various arrow formats");

   par->SetFillColor(42);

   par->Draw();


   TArrow *ar1 = new TArrow(0.1,0.1,0.1,0.7);

   ar1->Draw();

   TArrow *ar2 = new TArrow(0.2,0.1,0.2,0.7,0.05,"|>");

   ar2->SetAngle(40);

   ar2->SetLineWidth(2);

   ar2->Draw();

   TArrow *ar3 = new TArrow(0.3,0.1,0.3,0.7,0.05,"<|>");

   ar3->SetAngle(40);

   ar3->SetLineWidth(2);

   ar3->Draw();

   TArrow *ar4 = new TArrow(0.46,0.7,0.82,0.42,0.07,"|>");

   ar4->SetAngle(60);

   ar4->SetLineWidth(2);

   ar4->SetFillColor(2);

   ar4->Draw();

   TArrow *ar5 = new TArrow(0.4,0.25,0.95,0.25,0.15,"<|>");

   ar5->SetAngle(60);

   ar5->SetLineWidth(4);

   ar5->SetLineColor(4);

   ar5->SetFillStyle(3008);

   ar5->SetFillColor(2);

   ar5->Draw();

   return c1;

}