Re: [ROOT] TVector

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Nov 30 2001 - 16:48:49 MET


Hi Peter,

Yes, a consequence of too much data hiding.

I have added two new constructors to TGraph: ( now in CVS)

TGraph(const TVector  &vx, const TVector  &vy);
TGraph(const TVectorD &vx, const TVectorD &vy);
The number of points in the graph is the minimum of vx and vy.

Rene Brun


Peter Skensved wrote:
> 
>     Hi,
>    Is there a simple way to access the data in a TVector as an array of
> floats  ? I'd like to be able to do a TGraph of two vectors without
> having to create two float arrays and copy the data.
> 
>  Or would it be possible to  get a TGraph( int, TVector, TVector ) in
> a future version of ROOT ?
> 
>                                                      peter
> ----
> 
> Peter Skensved                          Email : peter@SNO.Phy.QueensU.CA
> Dept. of Physics,                       Phone:  (613) 533-2676
> Queen's University,                     Fax:    (613) 533-6813
> Kingston, Ontario,
> Canada



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