Hi Vincent,
Note that most of the functionality in your class is already available via
TGraph(const char *filename, const char *format="%lg %lg", Option_t *option=""); TNtuple::ReadFile(const char *filename, const char *branchDescriptor="") TTree::ReadFile(const char *filename, const char *branchDescriptor="")
see also the TGraphErrors constructors
>From the Tree/TNtuple you can select any of the columns (or expressions
of columns) and in addition have selections on the rows.
Rene Brun
On
Thu, 23 Jun 2005, Vincent Roberfroid wrote:
> Hi David,
>
> I created a class to handle simple ascii files with root.
> You can use it if you want.
> http://www.fynu.ucl.ac.be/users/v.roberfroid/work/stuffs/matrixRoot_html/matrixRoot.html
> This documentation must be updated. The code works with all version of root >
> 3.02.
> I put in attachment the code source.
> Regards,
> Vincent
>
Received on Thu Jun 23 2005 - 16:39:45 MEST
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