Valeriy,
In case you do not know, ROOT is alraedy able to read existing PAW/Hbook
files. See class THbookFile at:
http://root.cern.ch/root/htmldoc/THbookFile.html
Rene Brun
>
> Hi Exaos,
> I'm not a user of AIDA. I woud like to ask you as AIDA user:
> - which features of AIDA are missing in ROOT? or how
> ROOT can be improved in comparison with AIDA (ideas, interface etc.)?
> - what is advantage/idea of using IAnalysisFactory?
> - I see you are using paw files. I think it's quite easy to add to ROOT
> "embedded" support of PAW files. How critical to you is
> keeping data in PAW files?
>
> Regards. Valeriy
>
> ++
> concerned AIDA developers. I'd like to look at AIDA code
> http://aida.freehep.org/servlet/aidacvs/list/aida
> Seems the sources are missing there.
>
> > Hi Exaos,
> >
> > If you use ROOT directly, you do not need any histogram factory.
> > You can call directly the ROOT histograming package.
> > See examples in tutorials hsimple.C, hsum.C, etc
> >
> >
> > >The second question, how to convert an <xxxx.aida> file into a
> > ><xxxx.root> file?
> >
> > There is nothing like xxxx.aida file. If the aida backend is hbook,
> > aida produces a hbook file. If the aida backend is ROOT, aida produces
> > a ROOT file directly.
> > You can convert a hbook file to ROOT via h2root
> > h2root file.hbook file.root
> >
> > Rene Brun
> >
> > Exaos Lee wrote:
> > >
> > > Dear ROOTer,
> > > I want to change some codes based on AIDA to root as the following
> > > ----
> > > ...
> > > // Creating the analysis factory
> > > AIDA::IAnalysisFactory* af = AIDA_createAnalysisFactory();
> > >
> > > // Creating the tree factory
> > > AIDA::ITreeFactory* tf = af->createTreeFactory();
> > >
> > > ...
> > > AIDA::ITree* tree = tf->create("testaa.paw", "hbook", readOnly=false,
> > > createNew = true);
> > >
> > > // Creating a historam factory
> > > AIDA::IHistogramFactory* hf = af->createHistogramFactory(*tree);
> > > ...
> > > -----
> > > What are the corresponding classes in ROOT to AIDA::IAnalysisFactory,
> > > AIDA::ITreeFactory and AIDA::IHistogramFactory?
> > >
> > > The second question, how to convert an <xxxx.aida> file into a
> > > <xxxx.root> file?
> > >
> > > Regards.
> > >
> > > Exaos
> >
> >
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