Fw: projecting a histogram

From: Valeri Fine (Faine) (fine@bnl.gov)
Date: Thu Jul 29 1999 - 16:51:45 MEST 

----- Original Message -----
From: Selemon Bekele <bekele@pacific.mps.ohio-state.edu>
To: STAR software <starsofi-l@bnl.gov>
Sent: 29 èþëÿ 1999 ã. 10:38
Subject: projecting a histogram


>
>
> I have a three dimensional histogram which I want to project to a certain
> axis. Is there a way how to do it in root4star? I cheked the root class
> library and found in a class which relates to one dimensional histograms a
> method which projects only to the third axis which it calls Z. It would be
> nice if two more methods could be added  so that one can project also onto
> the other two axes separately. For the time being, a way around this problem
> is to fill three histograms where each component is passed as a third
> argument:
>
>                       Fill(x,y,z),Fill(z,x,y),Fill(y,z,x)
>
> and do the projection.
> *******************************************
>
>  Selemon Bekele
>  e-mail bekele@pacific.mps.ohio-state.edu
>  Tel. (614)294-4863 (home)
>
> *******************************************
>
>
>
>

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