Your original script does not work under Windows because the TGWin32 interface does not support transparent pads. Your new script runs correctly. Rene Brun On Sat, 15 Jun 2002 gmoloche@mit.edu wrote: > Guys: > the macro below does work in Win 2K > > { > c1 = new TCanvas("c1","gerrors2",200,10,700,500); > TPad *pad = new TPad("pad","",0,0,1,1); > pad->SetFillColor(42); > pad->SetGrid(); > pad->Draw(); > pad->cd(); > > // draw a frame to define the range > TH1F *hr = c1->DrawFrame(-0.4,0,1.2,12); > hr->SetXTitle("X title"); > hr->SetYTitle("Y title"); > pad->GetFrame()->SetFillColor(21); > pad->GetFrame()->SetBorderSize(12); > > Int_t n1 = 10; > Double_t x1[] = {-0.22, 0.05, 0.25, 0.35, 0.5, 0.61,0.7,0.85,0.89,0.95}; > Double_t y1[] = {1,2.9,5.6,7.4,9,9.6,8.7,6.3,4.5,1}; > Double_t ex1[] = {.05,.1,.07,.07,.04,.05,.06,.07,.08,.05}; > Double_t ey1[] = {.8,.7,.6,.5,.4,.4,.5,.6,.7,.8}; > gr1 = new TGraphErrors(n1,x1,y1,ex1,ey1); > gr1->SetMarkerColor(kBlue); > gr1->SetMarkerStyle(21); > gr1->Draw("LP"); > > c1->Update(); > > Double_t xmin = pad->GetUxmin(); > Double_t ymin1 = pad->GetUymin(); > Double_t ymin2 = 0; > Double_t xmax = pad->GetUxmax(); > Double_t ymax1 = pad->GetUymax(); > Double_t ymax2 = 1200; > Double_t scaling = (ymax1-ymin1)/(ymax2-ymin2); > > //draw an axis on the right side > TGaxis *axis = new TGaxis(xmax,ymin1, > xmax, ymax1,ymin2,ymax2,510,"+L"); > axis->SetLineColor(kRed); > axis->SetTextColor(kRed); > axis->Draw(); > > // create second graph > Int_t n2 = 10; > Float_t x2[] = {-0.28, 0.005, 0.19, 0.29, 0.45, 0.56,0.65,0.80,0.90,1.01}; > Float_t y2[] = {0.82,3.86,7,9,10,10.55,9.64,7.26,5.42,2}; > Float_t ex2[] = {.04,.12,.08,.06,.05,.04,.07,.06,.08,.04}; > Float_t ey2[] = {.6,.8,.7,.4,.3,.3,.4,.5,.6,.7}; > for (Int_t i=0;i<n2;i++) { > y2[i] *= 100; > ey2[i] *= 100; > } > > for (Int_t i=0;i<n2;i++) { > y2[i] = ymin1 + scaling*y2[i]; > ey2[i] = ymin1 + scaling*ey2[i]; > } > > gr2 = new TGraphErrors(n2,x2,y2,ex2,ey2); > gr2->SetMarkerColor(kRed); > gr2->SetMarkerStyle(20); > gr2->SetName("gr2"); > gr2->Draw("LP"); > > } >
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