Re: [ROOT] Classes derived from TLorentzVector

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Aug 09 2001 - 23:52:53 MEST


Hi Volker,
Could you send me a simplified example inncluding PParticle
and the derived class?

Rene Brun

On Thu, 9 Aug 2001, Volker Hejny wrote:

> 
> Hallo Rene,
> 
> thanks for the fast fix. However, I have one more question ...
> 
> The original problem occurs when using the Pluto++ package
> available from GSI. The class PParticle is actually derived from 
> TLorentzVector. The following problem I observed so far only with 
> PParticle. I had no time to check it with a separate test class.
> 
> In the current Root version it should be possible to call
> member functions within TTree::Draw(). For the PParticle
> class all the member functions from the base class, i.e.
> PParticle::Theta() (-> TLorentzVector::Theta()) are working,
> but none of the additional functions of the derived class.
> 
> Is this a restriction of Root or what must be done to enable
> it?
> 
> Best regards,
> Volker
> 
> -- 
> Dr. Volker Hejny                Tel: 02461/616853                      ** 
> Institut f. Kernphysik          Fax: 02461/613930                     **
> ---------------------------------------------------------------- **  ** ---  
> Forschungszentrum Juelich GmbH, D-52425 Juelich                    **
> 



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