Re: missing u/overflow with h2root

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Apr 06 1999 - 18:58:48 MEST


Hi Yasuhiro,
Your fixes to h2root to support under/overflows for 2d histograms
are correct. I have made the corresponding mods in my development
version.
Thanks for reporting.

Rene Brun


Yasuhiro SHIRASAKI wrote:
> 
> Hi,
> 
> When I converted 2D hist in my hbook with h2root, u/overflow was
> zero filled. The h2root was included in root 2.21/08.
> 
> *** UTILS_h2root.cxx.orig       Mon Mar 29 22:49:47 1999
> --- UTILS_h2root.cxx    Mon Apr  5 21:08:02 1999
> ***************
> *** 470,477 ****
>     Float_t offsety = 0.5*(ymax-ymin)/ncy;
> 
>     Float_t x,y;
> !   for (Int_t j=1;j<=ncy;j++) {
> !      for (Int_t i=1;i<=ncx;i++) {
>           hijxy(id,i,j,x,y);
>           h2->Fill(x+offsetx,y+offsety,hij(id,i,j));
>        }
> --- 470,477 ----
>     Float_t offsety = 0.5*(ymax-ymin)/ncy;
> 
>     Float_t x,y;
> !   for (Int_t j=0;j<=ncy+1;j++) {
> !      for (Int_t i=0;i<=ncx+1;i++) {
>           hijxy(id,i,j,x,y);
>           h2->Fill(x+offsetx,y+offsety,hij(id,i,j));
>        }
> 
> --
> Yasuhiro SHIRASAKI : Experimental Particle Physics, JLC Team
> Graduate School of Science, TOHOKU University 980-8578 Japan.



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