Re: [ROOT] Status of reading hbook file from/using root ...

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Hi Zaldy,

On Fri, 8 Aug 2003, zaldy wrote:

> 
> Dear ROOTers,
> 
> What is the status of the implementation in reading an hbook file 
> directly from root?

see classes THbookFile, THbookTree.
http://root.cern.ch/root/htmldoc/THbookFile.html
http://root.cern.ch/root/htmldoc/THbookTree.html

> 
> Converting to a root file using h2root is a good bridge to enjoy the 
> graphical power and implementation that root offers.
> 
> But if hbook files becomes many, some time is spent in the conversion.
> Also disk space is another issue since there are always two files 
> obtained (.hbook and .root), unless you delete the original hbook file. 
> But to me this is not a good idea.

You will gain around a factor two in disk space when converting Hbook 
files to Root.

Rene Brun

> 
> Any reaction?
> 
> Thanks.
> 
> 

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