RE: Use new methods in Draw()

Hi Philippe,
  Thanks. But all my simulation data are produced by v5-11-06,  If I use ROOT 5.13/04c to process these data, will there be some unexpected incompatible problem ?

Cheer,

Hengtong

On Mon, 22 Jan 2007, Philippe Canal wrote:

> Hi,
>
> I was able to reproduce the problem with ROOT 5.11/06
>
> I also confirm that this is fixed in (at least) ROOT 5.13/04c
>
> So please use the latest Production release 5.14/00b
>
> Cheers,
> Philippe
>
> -----Original Message-----
> From: Hengtong Ding [mailto:dinght_at_iopp.ccnu.edu.cn]
> Sent: Friday, January 19, 2007 9:53 PM
> To: Philippe Canal
> Cc: 'Rene Brun'; 'Nico De Simone'; roottalk_at_pcroot.cern.ch
> Subject: RE: [ROOT] Use new methods in Draw()
>
> Hi Philippe,
>
> Actually, it works when using tree->Draw("variable") as I mentioned in
> the last two eamils. Anyhow, I'll send you a simple rootfile as an
> attachment.
>
> get.C is :
> {
> TFile *f1 = new TFile("example.root","read");
> TTree *tree = f1 -> Get("tree") ;
> Double_t y[3];
> tree->SetBranchAddress("by",y) ;
>
> tree->Draw("sum.C");
>
> // Two Lines below works !!!
> // tree->Draw("y[0]");
> // tree->Draw("y[0]","y[2]*(y[0]>5)");
> }
>
> sum.C is
>
> double sum() {
> // double y[2];
> return y[0];
> }
>
> Best regards,
>
> Hengtong
>
>

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