Thanks very very very very much!!! :) works nicely. ale ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara >>>I'm in Ferrara<<< tel +39-0532-974328 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972 "... e a un Dio 'fatti il culo' non credere mai..." (F. De Andre') "He was turning over in his mind an intresting new concept in Thau-dimensional physics which unified time, space, magnetism, gravity and, for some reason, broccoli". (T. Pratchett: "Pyramids") On Wed, 9 Jul 2003, Rene Brun wrote: > Hi Alessio, > see example below > > Rene Brun > > > void shift() { > TH1F *h1 = new TH1F("h1","test",40,-2,2); > h1->FillRandom("gaus",1000); > TH1F *h2 = (TH1F*)h1->Clone("h2"); > TF1 *f1 = new TF1("f1","1+0.1*x",-2,2); > h2->Multiply(f1,1); > h1->SetMarkerStyle(20); > h1->SetMarkerColor(kBlue); > Double_t shift = 0.5*h1->GetBinWidth(1); > h2->GetXaxis()->SetLimits(-2+shift,2+shift); > h2->SetMarkerStyle(21); > h2->SetMarkerColor(kRed); > h1->Draw("e1"); > h2->Draw("e1 same"); > } > > > Alessio Sarti wrote: > > > > Hi all, > > I'd like to superimpose two histograms that have the same range with > > markers a little bit displaced. > > To clarify: > > root puts by default a marker at a center of the bin. I want to draw an > > histogram with a marker that is not placed at the center but a little bit > > displaced (right or left is not a problem). In this way I avoid error bars > > of my superimposed histos to overlap/merge and the plots is more readable. > > > > There's a given function/macro that can do that? > > Thanks very very much. > > Alessio > > > > ______________________________________________________ > > Alessio Sarti Universita' & I.N.F.N. Ferrara > > > > >>>I'm in Ferrara<<< > > > > tel +39-0532-974328 Ferrara > > roma +39-06-49914338 > > SLAC +001-650-926-2972 > > > > "... e a un Dio 'fatti il culo' non credere mai..." > > (F. De Andre') > > > > "He was turning over in his mind an intresting new concept in > > Thau-dimensional physics which unified time, space, magnetism, gravity > > and, for some reason, broccoli". (T. Pratchett: "Pyramids") >
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