Re: ascii files

From: Edmond Offermann <>
Date: Tue, 28 Jun 2005 06:54:37 -0700 (PDT)

Hi Vincent,

You misunderstand my comment .
I see you using the matrix class to store 2-dimensional tables (compare it
to pouring an Antwerp's Bolleke in a Heiniken glass) . That makes not a lot of sense , matrices have group properties etc . This falls in the same category as the TGraph constructor with a TVector
argument .

What ROOT needs is a class to store N-dimensional arrays .

Since Rene claims that the functionality, your class offers, is already available,
a tutorial seems to be appropriate to point people in the right direction .


> Hi Edmond,
> sorry to answer so late.
> Indeed it is only possible to use a 2-dimensional table of numbers.
> It is the reason why I used the TMatrix.
> My goal was essentially to create a tool quite similar than a
> spreadsheet.
> But how do you want to extend this class ?
> I don't want to rewrite the TTree class, as Rene said, which is a
> powerful tool to
> use N-dimensional table of large numbers.
> Regards,
> Vincent
Received on Tue Jun 28 2005 - 15:55:40 MEST

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