void archi()
{
   TCanvas *c1 = new TCanvas("c1", "Dictionary Architecture", 20, 10, 750, 930);
   c1->SetBorderSize(0);
   c1->Range(0, 0, 20.5, 26);

   TPaveLabel *title = new TPaveLabel(4, 24, 16, 25.5, c1->GetTitle());
   title->SetFillColor(46);
   title->Draw();

   TPavesText *dll = new TPavesText(0.5, 19, 4.5, 23, 5, "tr");
   dll->SetFillColor(39);
   dll->SetTextSize(0.023);
   dll->AddText(" ");
   dll->AddText("Dynamically");
   dll->AddText("Linked");
   dll->AddText("Libraries");
   dll->Draw();
   TPaveLabel *dlltitle = new TPaveLabel(1.5, 22.6, 3.5, 23.3, "DLLs");
   dlltitle->SetFillColor(28);
   dlltitle->Draw();

   TPavesText *cpp = new TPavesText(5.5, 19, 9.5, 23, 5, "tr");
   cpp->SetTextSize(0.023);
   cpp->AddText(" ");
   cpp->AddText("Commented");
   cpp->AddText("Header");
   cpp->AddText("Files");
   cpp->Draw();
   TPaveLabel *cpptitle = new TPaveLabel(6.5, 22.6, 8.5, 23.3, "C++");
   cpptitle->SetFillColor(28);
   cpptitle->Draw();

   TPavesText *odl = new TPavesText(10.5, 19, 14.5, 23, 5, "tr");
   odl->SetTextSize(0.023);
   odl->AddText(" ");
   odl->AddText("Objects");
   odl->AddText("Description");
   odl->AddText("Files");
   odl->Draw();
   TPaveLabel *odltitle = new TPaveLabel(11.5, 22.6, 13.5, 23.3, "ODL");
   odltitle->SetFillColor(28);
   odltitle->Draw();

   TPavesText *idl = new TPavesText(15.5, 19, 19.5, 23, 5, "tr");
   idl->SetTextSize(0.023);
   idl->AddText(" ");
   idl->AddText("Interface");
   idl->AddText("Definition");
   idl->AddText("Language");
   idl->Draw();
   TPaveLabel *idltitle = new TPaveLabel(16.5, 22.6, 18.5, 23.3, "IDL");
   idltitle->SetFillColor(28);
   idltitle->Draw();

   TWbox *p1 = new TWbox(7.8, 10, 13.2, 17, 11, 12, 1);
   p1->Draw();
   TText *pro1 = new TText(10.5, 15.8, "Process 1");
   pro1->SetTextAlign(21);
   pro1->SetTextSize(0.03);
   pro1->Draw();
   TPaveText *p1dict = new TPaveText(8.8, 13.8, 12.2, 15.6);
   p1dict->SetTextSize(0.023);
   p1dict->AddText("Dictionary");
   p1dict->AddText("in memory");
   p1dict->Draw();
   TPavesText *p1object = new TPavesText(8.6, 10.6, 12.1, 13.0, 5, "tr");
   p1object->SetTextSize(0.023);
   p1object->AddText("Objects");
   p1object->AddText("in memory");
   p1object->Draw();
   TWbox *p2 = new TWbox(15.5, 10, 20, 17, 11, 12, 1);
   p2->Draw();
   TText *pro2 = new TText(17.75, 15.8, "Process 2");
   pro2->SetTextAlign(21);
   pro2->SetTextSize(0.03);
   pro2->Draw();
   TPaveText *p2dict = new TPaveText(16, 13.8, 19.5, 15.6);
   p2dict->SetTextSize(0.023);
   p2dict->AddText("Dictionary");
   p2dict->AddText("in memory");
   p2dict->Draw();
   TPavesText *p2object = new TPavesText(16.25, 10.6, 19.25, 13.0, 5, "tr");
   p2object->SetTextSize(0.023);
   p2object->AddText("Objects");
   p2object->AddText("in memory");
   p2object->Draw();
   TWbox *stub1 = new TWbox(12.9, 11.5, 13.6, 15.5, 49, 3, 1);
   stub1->Draw();
   TText *tstub1 = new TText(13.25, 13.5, "Stub1");
   tstub1->SetTextSize(0.025);
   tstub1->SetTextAlign(22);
   tstub1->SetTextAngle(90);
   tstub1->Draw();
   TWbox *stub2 = new TWbox(15.1, 11.5, 15.8, 15.5, 49, 3, 1);
   stub2->Draw();
   TText *tstub2 = new TText(15.45, 13.5, "Stub2");
   tstub2->SetTextSize(0.025);
   tstub2->SetTextAlign(22);
   tstub2->SetTextAngle(-90);
   tstub2->Draw();
   TArrow ar1;
   ar1.SetLineWidth(6);
   ar1.SetLineColor(1);
   ar1.SetFillStyle(1001);
   ar1.SetFillColor(1);
   ar1.DrawArrow(13.5, 14, 15, 14, 0.012, "|>");
   ar1.DrawArrow(15.1, 13, 13.51, 13, 0.012, "|>");

   TPaveText *cint = new TPaveText(1.0, 15.0, 8.0, 17.5);
   cint->SetFillColor(39);
   cint->SetBorderSize(1);
   cint->SetTextSize(0.023);
   cint->AddText("C++ Interpreter");
   cint->AddText("and program builder");
   cint->Draw();
   TPaveText *command = new TPaveText(2.5, 13.4, 8.0, 14.5);
   command->SetTextSize(0.023);
   command->SetFillColor(39);
   command->SetBorderSize(1);
   command->AddText("Command Thread");
   command->Draw();
   TPavesText *view = new TPavesText(1.0, 9.5, 7.7, 12.6, 3, "tr");
   view->SetFillColor(39);
   view->SetBorderSize(2);
   view->SetTextSize(0.023);
   view->AddText("Viewer Thread(s)");
   view->AddText("Picking");
   view->AddText("Context Menus");
   view->AddText("Inspector/Browser");
   view->Draw();

   TPavesText *web = new TPavesText(0.5, 5, 6, 8.5, 5, "tr");
   web->SetTextSize(0.023);
   web->AddText(" ");
   web->AddText("generated");
   web->AddText("automatically");
   web->AddText("from dictionary");
   web->AddText("and source files");
   web->Draw();
   TPaveLabel *webtitle = new TPaveLabel(1.5, 8.1, 5.0, 8.8, "HTML Files");
   webtitle->SetFillColor(28);
   webtitle->Draw();

   TPavesText *printed = new TPavesText(0.5, 1.0, 6, 4, 5, "tr");
   printed->SetTextSize(0.023);
   printed->AddText(" ");
   printed->AddText("generated");
   printed->AddText("automatically");
   printed->AddText("from HTML files");
   printed->Draw();
   TPaveLabel *printedtitle = new TPaveLabel(1.5, 3.6, 5.0, 4.3, "Printed Docs");
   printedtitle->SetFillColor(28);
   printedtitle->Draw();

   TBox *box1 = new TBox(0.2, 9.2, 14.25, 17.8);
   box1->SetFillStyle(0);
   box1->SetLineStyle(kDashed);
   box1->Draw();

   TBox *box2 = new TBox(10.2, 18.7, 20.2, 23.6);
   box2->SetFillStyle(0);
   box2->SetLineStyle(kDotted);
   box2->Draw();

   ar1.DrawArrow(2.5, 17.5, 2.5, 18.9, 0.012, "|>");
   ar1.DrawArrow(5.5, 9.2, 5.5, 8.7, 0.012, "|>");
   ar1.DrawArrow(5.5, 5, 5.5, 4.2, 0.012, "|>");
   ar1.DrawArrow(8.5, 9.2, 8.5, 8.2, 0.012, "|>");
   ar1.DrawArrow(9.5, 8.1, 9.5, 9.0, 0.012, "|>");
   ar1.DrawArrow(6.5, 19, 6.5, 17.6, 0.012, "|>");
   ar1.DrawArrow(8.5, 19, 8.5, 17.1, 0.012, "|>");
   ar1.DrawArrow(11.5, 19, 11.5, 17.1, 0.012, "|>");

   TPaveLabel *ootitle = new TPaveLabel(10.5, 7.8, 17, 8.8, "Objects Data Base");
   ootitle->SetFillColor(28);
   ootitle->Draw();

   TPad *pio = new TPad("pio", "pio", 0.37, 0.02, 0.95, 0.31, 49);
   pio->Range(0, 0, 12, 8);
   pio->Draw();
   pio->cd();
   TPavesText *raw = new TPavesText(0.5, 1, 2.5, 6, 7, "tr");
   raw->Draw();
   TPavesText *dst1 = new TPavesText(4, 1, 5, 3, 7, "tr");
   dst1->Draw();
   TPavesText *dst2 = new TPavesText(6, 1, 7, 3, 7, "tr");
   dst2->Draw();
   TPavesText *dst3 = new TPavesText(4, 4, 5, 6, 7, "tr");
   dst3->Draw();
   TPavesText *dst4 = new TPavesText(6, 4, 7, 6, 7, "tr");
   dst4->Draw();
   Float_t xlow = 8.5;
   Float_t ylow = 1;
   Float_t dx = 0.5;
   Float_t dy = 0.5;
   for (Int_t j = 1; j < 9; j++) {
      Float_t y0 = ylow + (j - 1) * 0.7;
      Float_t y1 = y0 + dy;
      for (Int_t i = 1; i < 5; i++) {
         Float_t x0 = xlow + (i - 1) * 0.6;
         Float_t x1 = x0 + dx;
         TPavesText *anal = new TPavesText(x0, y0, x1, y1, 7, "tr");
         anal->Draw();
      }
   }

   // just temporary object, used for common attributes
   TText daq;
   daq.SetTextSize(0.07);
   daq.SetTextAlign(22);
   daq.DrawText(1.5, 7.3, "DAQ");
   daq.DrawText(6, 7.3, "DST");
   daq.DrawText(10., 7.3, "Physics Analysis");
   daq.DrawText(1.5, 0.7, "Events");
   daq.DrawText(1.5, 0.3, "Containers");
   daq.DrawText(6, 0.7, "Tracks/Hits");
   daq.DrawText(6, 0.3, "Containers");
   daq.DrawText(10., 0.7, "Attributes");
   daq.DrawText(10., 0.3, "Containers");

   c1->cd();
}