Xavier Bertou wrote: > > Hello, > > I'm using Draw("COL") and would like to be able to define my own levels > just like histo->SetContour() does for Draw("CONT"). Is it possible ? > > Another thing : how can I define a palette with RGB components ? (cf > "color" command with PAW). > > Thanx, > Xavier Bertou A small macro illustrating how to define a new color palette. Rene Brun { gROOT->Reset(); TH2F hxy = new TH2F("hxy","test palette",40,-4,4,20,-4,4); Float_t x,y; for (Int_t i=0;i<1000;i++) { gRandom->Rannor(x,y); hxy->Fill(x,y); } // Create a new color palette with only 10 colors Int_t colors[]={1,22,33,42,5,6,7,8,9,2}; gStyle->SetPalette(10,colors); hxy->Draw("col"); // the default palette is given in the following table // Int_t colors[50] = {19,18,17,16,15,14,13,12,11,20, // 21,22,23,24,25,26,27,28,29,30, 8, // 31,32,33,34,35,36,37,38,39,40, 9, // 41,42,43,44,45,47,48,49,46,50, 2, // 7, 6, 5, 4, 3, 112,1}; // gStyle->SetPalette(50,colors); }
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