Hi Paul,
it's not in the header file you should write this but in the link def one
(either V0_linkdef.h or V0LinkDef.h)
seb.
On Thu, 3 Jul 2003, Paul Balm wrote:
> Hi Philippe,
>
> In the header file that defines the V0 class, I (now) have:
>
> #pragma link C++ namespace recocert;
> #pragma link C++ class recocert::V0+;
>
> and later on:
>
> class V0 : public TObject {
> (...)
> };
>
> When I run the program, it says:
>
> Error in <TTree::Bronch>: Cannot find class:recocert::V0
>
> So I think the answer to your question is yes, but...
>
> Thanks-
>
> Paul
>
>
> Philippe Canal wrote:
>
> >Hi Paul,
> >
> >This should work.
> >
> >Did you create a dictionary for the namespace recocert?
> > #pragma link C++ namespace recocert;
> >
> >
> >Cheers,
> >Philippe.
> >
> >-----Original Message-----
> >From: owner-roottalk@pcroot.cern.ch
> >[mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Paul Balm
> >Sent: Wednesday, July 02, 2003 8:07 AM
> >To: roottalk@pcroot.cern.ch
> >Subject: [ROOT] filling tree with objects
> >
> >
> >Hello,
> >
> >I'm trying to fill a TTree with objects of a class "V0", declared in a
> >namespace "recocert". I do this:
> >
> >TTree* _mytree = new TTree("V0tree","secondary vertices");
> >V0* _myV0 = new V0();
> >
> >_mytree->Branch("V0s", "recocert::V0",&_myV0);
> >
> >This gives me an error message:
> >
> >Error in <TTree::Bronch>: Cannot find class:recocert::V0
> >
> >At first I was creating the branch like this:
> >
> >_mytree->Branch("V0s", "V0",&_myV0);
> >
> >(i.e. omitting the "recocert::"), this gave me the same error message,
> >but, without "recocert::".
> >
> >In the same file where I create the tree and the branch, I have "using
> >namespace recocert;"
> >
> >Any idea what the problem is here? Is this just not supported? Are there
> >ways to work around it?
> >
> >I'm using this root version:
> >/D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread
> >On Red Hat 7.1.
> >
> >Thanks!
> >
> >Paul
> >
> >
> >
>
>
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