[ROOT] new histogram binning option for TTree->Draw() does not work

From: Juergen Hannappel (hannappe@physik.uni-bonn.de)
Date: Sat Jan 26 2002 - 18:28:26 MET


Hello
i am experiencing a problem with the new option to define the binning
for the histograms created by TTree->Draw("stuff>>h(binx,xlow,xhigh)")
option. The number of bins is correct, but the range is ignored,
both with the latest CVS version and the pro version from AFS.

hannappe@lisa2:~ > root  out.root 
  *******************************************
  *                                         *
  *        W E L C O M E  to  R O O T       *
  *                                         *
  *   Version   3.03/00   26 January 2002   *
  *                                         *
  *  You are welcome to visit our Web site  *
  *          http://root.cern.ch            *
  *                                         *
  *******************************************

FreeType Engine v1.x used to render TrueType fonts.
Compiled for linux with thread support.

CINT/ROOT C/C++ Interpreter version 5.15.28, Jan 20 2002
Type ? for help. Commands must be C++ statements.
Enclose multiple statements between { }.
root [0] 
Attaching file out.root...
root [1]  bridge->Draw("cand_dydz>>l(10,0,1)");
<TCanvas::MakeDefCanvas>: created default TCanvas with name c1
root [2] l->Print("all")
TH1.Print Name= l, Entries= 23811, Total sum= 23811
 fSumw[0]=0, x=-3.6
 fSumw[1]=0, x=-2.9
 fSumw[2]=0, x=-2.2
 fSumw[3]=7, x=-1.5
 fSumw[4]=64, x=-0.8
 fSumw[5]=23590, x=-0.1
 fSumw[6]=123, x=0.6
 fSumw[7]=26, x=1.3
 fSumw[8]=1, x=2
 fSumw[9]=0, x=2.7
 fSumw[10]=0, x=3.4
 fSumw[11]=0, x=4.1
root [3] 


-- 
Dr. Juergen Hannappel          http://lisa2.physik.uni-bonn.de/~hannappe
mailto:hannappel@physik.uni-bonn.de  Phone: +49 228 73 2447 FAX ... 7869
Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany     
CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Genève 23



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