[cernRoot]how to deal with TPavetext->SetTextAngle()?
TPaveText*l1=newTPaveText(0.9,0,1.1,.5);
l1->AddText("text");
l1->SetTextAngle(90.);
l1->Draw();doesnotproducerotatedtext.TPaveText::AddTextreturnsapointertotheTTextobject.Do:TText*text=l1->AddText("t