Re: missing u/overflow with h2root

Rene Brun (Rene.Brun@cern.ch)
Tue, 06 Apr 1999 16:58:48 +0000


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.