Re: ROOT file doesn't have any tree though its size is big enough!!!

From: Genie Jhang <geniejhang_at_majimak.com>
Date: Thu, 29 Jul 2010 15:10:01 +0900


Thanks, Axel and Phillippe.

The solution you gave solved all the problem!!!

I'm stuck with the problem for two days.....

Thanks, again.

On Jul 29, 2010, at 1:23 AM, Axel Naumann wrote:

> Hi Genie,
> 
> you shouldn't delete the directory that you write the tree into. I
> cannot tell whether that solves it because your macro takes too long for
> my patience. If not deleting teh directory doesn't solve it: can you
> come up with a much much much faster version that shows the same behavior?
> 
> Cheers, Axel.
> 
> Genie Jhang wrote on 07/26/2010 04:56 PM:

>> Hello.
>>
>> I'm now trying to make a ROOT file from about fifty ROOT files.
>>
>> First read source ROOT file.
>>
>> Read a tree to the vector;
>>
>> Sort them as I wanted.
>>
>> Rewrite them to a new ROOT file.
>>
>> By the for-loop, source file changes from one to another, but new ROOT file is only one.
>>
>> So, I loaded the new one using "UPDATE" option.
>>
>> Here's the problem.
>>
>> New ROOT file doesn't have any trees but folders.
>> (I used folders to categorize source files.)
>>
>> More than that, the size of the new ROOT file is so small.
>>
>> It looks like it has all the data I put in but I just cannot access to them.
>>
>>
>> Here's the source files and macro files. You can test it for yourself. You should use + option to compile.
>> (Sorry for the mess of the macro file. I'm in new)
>>
>>
>> http://physics.majimak.com/src.tgz
>>
>>
>> Thanks, in advance.
>>
Received on Thu Jul 29 2010 - 08:10:17 CEST

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