Re: [ROOT] Doc error

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Oct 04 2000 - 18:10:18 MEST


Hi Isidro,

This cannot be true. You have a problem somewhere else.
Could you send me your files ?

Rene Brun

Isidro.Gonzalez.Caballero@cern.ch wrote:
> 
> Hi,
>         I am starting to play with Trees and Branches, so I decided to
> have a look at the 'How to' documentation, in particular at 'How to Create
> and Fill a Tree'. I follow the example but replaced Event with MyEvent
> (which inherits from TObject). When I try to run my small macro I get:
> 
> Error in <TTree::BranchObject>: Cannot find class:MyEvent
> 
> but if I do '.class MyEvent' I can perfectly see it (this is in a shared
> library produced together with the corresponding dictionary, etc...).
> 
> The offending lines look like:
> 
>   MyEvent* myevent = 0;
>   tree->Branch("myevent","MyEvent", &myevent, bsize,split);
> 
> After going up and down and consulting some expert (Ivana) we removed the
> first string in the second line, therefore becaming:
> 
>   tree->Branch("MyEvent", &myevent, bsize,split);
> 
> and... it works!!!
> 
> The question now is wether this is correct or not. If it *is* correct
> then, could you please correct the web documentation accordingly?... If
> not, could you give me any solution?...
> 
>         Thanks on advance,
> 
>                         Isidro
> 
> +---------------------------+--------------------------------+
> | Isidro González Caballero | mailto:Isidro.Gonzalez@cern.ch |
> | CERN-EP / Mailbox: F28010 | http://home.cern.ch/~iglez/    |
> | 1211 Geneva 23            |               -o-              |
> | Switzerland               | Tel: +41 22 76 73060, 73316    |
> +---------------------------+--------------------------------+



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