void movepal() { TCanvas *myCanvas = new TCanvas("myCanvas", "myCanvas",5,44,550,550); gStyle->SetOptFit(1); gStyle->SetOptStat(0); myCanvas->Range(-0.8247861,-0.8247861,0.8247861,0.8247861); myCanvas->SetFillColor(10); myCanvas->SetBorderMode(0); myCanvas->SetBorderSize(0); myCanvas->SetTickx(); myCanvas->SetTicky(); myCanvas->SetLeftMargin(0.15); myCanvas->SetRightMargin(0.15); myCanvas->SetTopMargin(0.15); myCanvas->SetBottomMargin(0.15); myCanvas->SetFrameFillColor(0); myCanvas->SetFrameBorderMode(0); TH1 *h_myHisto = new TH2D("h_myHisto","",61,-0.0000107,0.0000107,61,-0.00085,0.00085); int binx(1), biny(1); for(int i = -30; i <=30; i++){ biny=1; for(int j = -30; j <=30; j++){ double x = double(i)/10.; double y = double(j)/10.; h_myHisto->SetBinContent(binx,biny,(x*x + y*y )); biny++; } binx++; } //Set up the colours I wish to use: const Int_t ncol = 9; Int_t colors[ncol]; TColor *col; Double_t dg=1.0/(1.0*(Double_t)ncol); Double_t grey=0; for (Int_t i=0; iGetColor(colors[i])) { gROOT->GetColor(colors[i])->SetRGB(grey, grey, grey); } else { TColor *c = new TColor(colors[i], grey, grey, grey); } grey = grey+dg; } h_myHisto->SetContour(ncol); gStyle->SetPalette(ncol,colors); gStyle->SetOptStat(0); h_myHisto->SetMaximum(9); h_myHisto->GetXaxis()->SetTitle("X axis \\sigma_{X}"); h_myHisto->GetXaxis()->SetNdivisions(-6); h_myHisto->GetXaxis()->SetLabelOffset(0.015); h_myHisto->GetXaxis()->SetLabelSize(0.035); h_myHisto->GetXaxis()->SetTitleSize(0.035); h_myHisto->GetXaxis()->SetTitleOffset(1.2); h_myHisto->GetYaxis()->SetTitle("Y axis \\sigma_{Y}"); h_myHisto->GetYaxis()->SetNdivisions(-6); h_myHisto->GetYaxis()->SetLabelOffset(0.015); h_myHisto->GetYaxis()->SetLabelSize(0.035); h_myHisto->GetYaxis()->SetTitleSize(0.035); h_myHisto->GetYaxis()->SetTitleOffset(2.4); h_myHisto->GetZaxis()->SetLabelSize(0.035); h_myHisto->GetZaxis()->SetTitleSize(0.035); h_myHisto->Draw("cont4z"); myCanvas->Update(); TPaletteAxis *palette = (TPaletteAxis*)h_myHisto->GetListOfFunctions()->FindObject("palette"); palette->SetX1NDC(0.9); palette->SetX2NDC(0.95); palette->SetY1NDC(0.2); palette->SetY2NDC(0.8); myCanvas->Modified(); myCanvas->Update(); }