Exemple #1
0
void splithist(double ratio=0.2){
  TVirtualPad* pmain = TVirtualPad::Pad();
  
  double h = 1. - pmain->GetTopMargin() - pmain->GetBottomMargin();

  double xlow = 0.; //gStyle->GetPadLeftMargin();
  double xhigh = 1.; // - gStyle->GetPadRightMargin();

  double ytop = 1.; //- gStyle->GetPadTopMargin();
  double ybot = 0.; //gStyle->GetPadBottomMargin();
  double ymid = pmain->GetBottomMargin() + ratio * h; //ybot + ratio * (ytop-ybot);
  

  double yp1bot = ymid;
  double yp2top = ymid;

  TPad* p1 = new TPad(TString(pmain->GetName()) + "_1", pmain->GetTitle(),
		      xlow, yp1bot, xhigh, ytop);
  p1->SetNumber(1);
  TPad* p2 = new TPad(TString(pmain->GetName()) + "_2", pmain->GetTitle(), 
		      xlow, ybot, xhigh, yp2top);
  p2->SetNumber(2);
  p1->SetFillStyle(4000);
  p2->SetFillStyle(4000);

  double p1h = ytop - yp1bot;
  double p2h = yp2top - ybot;
  

/*
  p1->SetTopMargin(pmain->GetTopMargin()/p1h);
  p1->SetBottomMargin((ymid-yp1bot)/p1h);
  p1->SetLeftMargin(pmain->GetLeftMargin());
  p1->SetRightMargin(pmain->GetRightMargin());
  
  p2->SetTopMargin((ymid-yp2top)/p2h);
  p2->SetBottomMargin(pmain->GetBottomMargin()/p2h);
  p2->SetLeftMargin(pmain->GetLeftMargin());
  p2->SetRightMargin(pmain->GetRightMargin());
*/
    p1->SetTopMargin(0.11);
    p1->SetBottomMargin(0.);
    p1->SetRightMargin(0.02);
 
    p2->SetTopMargin(0.);
    p2->SetBottomMargin(0.3);
    p2->SetRightMargin(0.02);



  p2->Draw();
  p1->Draw();
  pmain->Modified();

  p1->cd();
}
//_______________________________________________________________________________________
void MakeFourView(TVirtualPad *pad=0)
{
//  Creates 4 pads view of the pad (or qPad)
//   ------------------------------
//   |              |             |
//   |              |             |
//   |              |             |
//   |    Front     |   Top       |
//   |    view      |   view      |
//   |              |             |
//   |              |             |
//   |              |             |
//   ---------------+-------------
//   |              |             |
//   |              |             |
//   |              |             |
//   |    Side      |  Spacial    |
//   |    view      |   view      |
//   |              |             |
//   |              |             |
//   |              |             |
//   ------------------------------
// begin_html  <P ALIGN=CENTER> <IMG SRC="gif/FourStarView.gif" ></P> end_html
//
  TVirtualPad *thisPad = pad;
  if (!thisPad) thisPad = qPad();
  TView *view = 0; 
  TList *thisPrimitives = 0; 
  if (thisPad && (thisPrimitives = thisPad->GetListOfPrimitives()) && (view =  thisPad->GetView()) ) 
  {
    Double_t min[3],max[3];
    view->GetRange(min,max);
    Int_t system = view->GetSystem();
    TCanvas *c = new TCanvas(" 4 views", thisPad->GetTitle(),600,600);
    c->Divide(2,2);
    TIter *next=  new TIter(thisPrimitives);
    for (int i =1; i <= 4; i++) {
      c->cd(i);
      TList *newPrimitives = qPad()->GetListOfPrimitives();
      TObject *obj = 0;
      while (obj = next->Next()) newPrimitives->Add(obj);
      TView *newView = new TView(system);
      newView->SetRange(min,max);
      next->Reset();
   }
   delete next;
   // set separate view;
   // Fron view
    Int_t j = 1;
    c->cd(j++); FrontView();
    c->cd(j++); TopView();
    c->cd(j++); SideView();
    c->cd(j++); RotateView(-30.0,60.0,0);
    c->Modified();
    c->Update();
  }
}