Hi Markus,
Could you send me a mini Tree file that I can use
to understand your problem?
give me the AFS address (making sure it is world public readable)
or put it on a web server.
Rene Brun
On Thu,
19 Jun 2003,
Markus Cristinziani wrote:
> Hi Rene,
>
> yes I forgot to copy and paste the line
> leaf = (TLeaf*)next().
>
> when I do
> tree->GetListOfLeaves()->ls();
>
> I get
> root [8] selectedtree->GetListOfLeaves()->ls()
> OBJ: TLeafF this is its description this is its description : 0 at:
> 0x8b9eb78
> ...
>
> instead of the (expected?)
> OBJ: TLeafF variablename this is its description : 0 at:
> 0x8b9eb78
> ...
>
> regards
> Markus
>
>
> ____________________________________________
> / Markus Cristinziani, Research Associate /
> / Stanford Linear Accelerator Center /
> / ++1(650)926-3886 markus@slac.stanford.edu /
> --------------------------------------------
>
> On Thu, 19 Jun 2003, Rene Brun wrote:
>
> > Hi Markus,
> >
> > In your example, you have omitted the most critical part: how you get
> > the leaf pointer?
> > The following should work:
> >
> > TLeaf *leaf;
> > TIter next (tree->GetListOfLeaves());
> > while ((leaf = (TLeaf*)next())) {
> > tree->Draw(leaf->GetName());
> > }
> >
> > I would need your code to figure out the problem.
> > What is the ouput of:
> > tree->GetListOfLeaves()->ls(); ?
> >
> > Rene Brun
> >
> > Markus Cristinziani wrote:
> > >
> > > Hello,
> > >
> > > I have a simple tree and I would like to histogram all variables in an
> > > automatic way. I do the following in 3.03/09
> > >
> > > TFile f("myfile.root");
> > > tree->Print;
> > >
> > > ...
> > > ******************************************************************************
> > > *Br 0 :varname : this is its description/F
> > > *
> > > *Entries : 8877 : Total Size= 48065 bytes File Size = 28030 *
> > > *Baskets : 1 : Basket Size= 32000 bytes Compression= 1.14
> > > *
> > > *............................................................................*
> > > ...
> > >
> > > TLeaf *leaf;
> > > TIter next (tree->GetListOfLeaves());
> > > leaf->GetTitle(); -> "this is its description"
> > > leaf->GetName(); -> "this is its description"
> > >
> > > i.e. I don't get its name, so I can't do tree->Draw(leaf->GetName());
> > >
> > > *ERROR 26 :
> > > Unknown name : "thisisitsdescription"
> > >
> > > Any suggestions ?
> > >
> > > Thanks,
> > > Markus
> > >
> > > ____________________________________________
> > > / Markus Cristinziani, Research Associate /
> > > / Stanford Linear Accelerator Center /
> > > / ++1(650)926-3886 markus@slac.stanford.edu /
> > > --------------------------------------------
> >
>
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