Stefan, do: he->Draw("ie1:ie2>>h1(512,0,0,512)","","colz") Rene Brun On Thu, 28 Feb 2002, Stefan Iulian wrote: > Hi, > > I compiled root v3.03.02 for linux - Mandrake 8.1. > > If I do: > > root [0] TFile f("22mev.root") > root [1] TTree *he=(TTree *)f->Get("h1") > root [2] c1=new TCanvas > (class TCanvas*)0x8cb5c78 > root [3] gStyle->SetPalette(1,0) > root [4] gPad > (class TCanvas*)0x8cb5c78 > root [5] gPad->SetLogz() > root [6] f.GetSize() > (const Seek_t)332606934 > root [7] he->Draw("ie1:ie2","","colz") // works > (Int_t)3156578 > root [8] he->Draw("ie1:ie2>>h1(512,,,512)","","colz") > (Int_t)(-1) //?! > root [10] he->GetEntries() > > *** Break *** segmentation violation > > root [11] TTree *he=(TTree *)f->Get("h1") > root [12] he->GetEntries() > Error: Symbol nan is not defined in current scope > FILE: LINE:0 > Warning: Unknown type 'unknown' in function argument > handled as int FILE:_iostream LINE:63 > (const Double_t)nan > *** Interpreter error recovered *** > > root [13] he->Draw("ie1:ie2","","colz") > Error: reference type x with no initialization > FILE:_iostream LINE:63 > (Int_t)3156578 > *** Interpreter error recovered *** > > root [14] he->Draw("ie1:ie2>>h1(512,,,512)","","colz") > Error: reference type x with no initialization > FILE:_iostream LINE:63 > (Int_t)(-1) > > > What I do wrong? > > Iulian > > __________________________________________________ > Do You Yahoo!? > Yahoo! Greetings - Send FREE e-cards for every occasion! > http://greetings.yahoo.com >
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