void framework()
{
   TCanvas *c1 = new TCanvas("c1", "The ROOT Framework", 200, 10, 700, 500);
   c1->Range(0, 0, 19, 12);
   //
   TPavesText *rootf = new TPavesText(0.4, 0.6, 18, 2.3, 20, "tr");
   rootf->AddText("ROOT Framework");
   rootf->SetFillColor(42);
   rootf->Draw();
   //
   TPavesText *eventg = new TPavesText(0.99, 2.66, 3.29, 5.67, 4, "tr");
   eventg->SetFillColor(38);
   eventg->AddText("Event");
   eventg->AddText("Generators");
   eventg->Draw();
   //
   TPavesText *simul = new TPavesText(3.62, 2.71, 6.15, 7.96, 7, "tr");
   simul->SetFillColor(41);
   simul->AddText("Detector");
   simul->AddText("Simulation");
   simul->Draw();
   //
   TPavesText *recon = new TPavesText(6.56, 2.69, 10.07, 10.15, 11, "tr");
   recon->SetFillColor(48);
   recon->AddText("Event");
   recon->AddText("Reconstruction");
   recon->Draw();
   //
   TPavesText *daq = new TPavesText(10.43, 2.74, 14.0, 10.81, 11, "tr");
   daq->AddText("Data");
   daq->AddText("Acquisition");
   daq->Draw();
   //
   TPavesText *anal = new TPavesText(14.55, 2.72, 17.9, 10.31, 11, "tr");
   anal->SetFillColor(42);
   anal->AddText("Data");
   anal->AddText("Analysis");
   anal->Draw();
   c1->Update();
}