Re: Re: Names of histograms reset after TFileMerger

Yves,

The result is what I expect. Your input file contains 22 keys, all named "histosscaled". As a result,
you have only one key in output also named "histosscaled".

Rene Brun

Yves Schutz wrote:
> Rene and rooters,
> I do not know if this problem is related to this new problem.
> Running the attached macro on the attached file I get the following
> output: only one entry in the output file after merging. I am using
> the trunk of root. The problem is the same with v5.19.04...
>
>
> ------------------------------------------------------------------------
>
>
> pb-d-128-141-48-228:ymao schutz$ root mm.C
> *******************************************
> * *
> * W E L C O M E to R O O T *
> * *
> * Version 5.19/05 14 May 2008 *
> * *
> * You are welcome to visit our Web site *
> * http://root.cern.ch *
> * *
> *******************************************
>
> ROOT 5.19/05 (trunk_at_24474, Jun 23 2008, 12:21:37 on macosx64)
>
> CINT/ROOT C/C++ Interpreter version 5.16.29, Jan 08, 2008
> Type ? for help. Commands must be C++ statements.
> Enclose multiple statements between { }.
> root [0]
> Processing mm.C...
> [TFile::Cp] Total 0.07 MB |====================| 100.00 % [125.0 MB/s]
> [TFile::Cp] Total 0.09 MB |====================| 100.00 % [237.8 MB/s]
> [TFile::Cp] Total 0.00 MB |====================| 100.00 % [12.6 MB/s]
> TFile** file1.root
> TFile* file1.root
> KEY: TH2F histosscaled;22 #phi_{#gamma}
> KEY: TH2F histosscaled;21 #phi_{#gamma}
> KEY: TH1F histosscaled;20 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;19 #phi_{#gamma}
> KEY: TH2F histosscaled;18 #phi_{#gamma}
> KEY: TH1F histosscaled;17 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;16 #phi_{#gamma}
> KEY: TH2F histosscaled;15 #phi_{#gamma}
> KEY: TH1F histosscaled;14 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;13 #phi_{#gamma}
> KEY: TH2F histosscaled;12 #phi_{#gamma}
> KEY: TH1F histosscaled;11 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;10 #phi_{#gamma}
> KEY: TH2F histosscaled;9 #phi_{#gamma}
> KEY: TH1F histosscaled;8 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;7 #phi_{#gamma}
> KEY: TH2F histosscaled;6 #phi_{#gamma}
> KEY: TH1F histosscaled;5 Number of #gamma over calorimeter
> KEY: TH2F histosscaled;4 #Sigma p_{T} in cone
> KEY: TH2F histosscaled;3 #phi_{#gamma}
> KEY: TH2F histosscaled;2 #phi_{#gamma}
> KEY: TH1F histosscaled;1 Number of #gamma over calorimeter
> TFile** mergedOutput.root
> TFile* mergedOutput.root
> KEY: TH2F histosscaled;1 #phi_{#gamma}
> root [1]
> Le 11 juin 08 à 16:33, Rene Brun a écrit :
>
>> As already reported to you, I cannot reproduce your problem. See my
>> previous mail
>>
>> Rene Brun
>>
>> Yaxian Mao wrote:
>>> Hi Rene,
>>> I am sorry to disturb you again. But may I ask how about my problem?
>>> could you
>>> reproduce it or not? maybe this is trival for you but it is not
>>> convenient for me if a
>>> long time later I don't know exactly what I was plotted on my histogram.
>>> Thanks for your help!
>>> Regards,
>>> Yaxian
>>>
>>> Rene Brun wrote:
>>>
>>>> Yves,
>>>>
>>>> When I run your script I obtain the output below and it is what I
>>>> expect. What is your version of ROOT?
>>>>
>>>> Rene
>>>>
>>>> root [1] .x merge.C
>>>> [TFile::Cp] Total 0.02 MB |====================| 100.00 % [47.9 MB/s]
>>>> [TFile::Cp] Total 0.02 MB |====================| 100.00 % [54.0 MB/s]
>>>> [TFile::Cp] Total 0.02 MB |====================| 100.00 % [55.9 MB/s]
>>>> hPtGammaScaled Number of #gamma over calorimeter
>>>> hPhiGammaScaled #phi_{#gamma}
>>>> hEtaGammaScaled #phi_{#gamma}
>>>> hConePtSumScaled #Sigma p_{T} in cone
>>>> hPtPromptScaled Number of #gamma over calorimeter
>>>> hPhiPromptScaled #phi_{#gamma}
>>>> hEtaPromptScaled #phi_{#gamma}
>>>> hPtFragmentationScaled Number of #gamma over calorimeter
>>>> hPhiFragmentationScaled #phi_{#gamma}
>>>> hEtaFragmentationScaled #phi_{#gamma}
>>>> hPtPi0DecayScaled Number of #gamma over calorimeter
>>>> hPhiPi0DecayScaled #phi_{#gamma}
>>>> hEtaPi0DecayScaled #phi_{#gamma}
>>>> hPtOtherDecayScaled Number of #gamma over calorimeter
>>>> hPhiOtherDecayScaled #phi_{#gamma}
>>>> hEtaOtherDecayScaled #phi_{#gamma}
>>>> hPtConversionScaled Number of #gamma over calorimeter
>>>> hPhiConversionScaled #phi_{#gamma}
>>>> hEtaConversionScaled #phi_{#gamma}
>>>> hPtUnknownScaled Number of #gamma over calorimeter
>>>> hPhiUnknownScaled #phi_{#gamma}
>>>> hEtaUnknownScaled #phi_{#gamma}
>>>> TFile** mergedOutput.root
>>>> TFile* mergedOutput.root
>>>> KEY: TList histosscaled;1 Doubly linked list
>>>> root [2]
>>>>
>>>>
>>>> Yves Schutz wrote:
>>>>
>>>>> Rene,
>>>>> The wrong macro has been sent to you. What Yaxian wanted to point to
>>>>> is that the Name of the Merged histograms are not kept.
>>>>> Just run the following macro. Thanks ... Yves
>>>>> void merge()
>>>>> {
>>>>> TFileMerger m ;
>>>>> TString outName("mergedOutput.root") ;
>>>>> m.OutputFile(outName) ;
>>>>> m.AddFile("histosscaled1.root") ;
>>>>> m.AddFile("histosscaled2.root") ;
>>>>> m.Merge() ;
>>>>> TFile in("histosscaled1.root") ;
>>>>> TList * l = (TList*)in.Get("histosscaled") ;
>>>>> for (Int_t index = 0; index < l->GetEntries(); index++)
>>>>> cout << l->At(index)->GetName() << " " << l->At(index)->GetTitle()
>>>>> << endl ; ;
>>>>> TFile out(outName) ;
>>>>> out.ls() ;
>>>>> }
>>>>>
>>>>> and you get
>>>>> hPtGammaScaled Number of #gamma over calorimeter
>>>>> hPhiGammaScaled #phi_{#gamma}
>>>>> hEtaGammaScaled #phi_{#gamma}
>>>>> hConePtSumScaled #Sigma p_{T} in cone
>>>>> hPtPromptScaled Number of #gamma over calorimeter
>>>>> hPhiPromptScaled #phi_{#gamma}
>>>>> hEtaPromptScaled #phi_{#gamma}
>>>>> hPtFragmentationScaled Number of #gamma over calorimeter
>>>>> hPhiFragmentationScaled #phi_{#gamma}
>>>>> hEtaFragmentationScaled #phi_{#gamma}
>>>>> hPtPi0DecayScaled Number of #gamma over calorimeter
>>>>> hPhiPi0DecayScaled #phi_{#gamma}
>>>>> hEtaPi0DecayScaled #phi_{#gamma}
>>>>> hPtOtherDecayScaled Number of #gamma over calorimeter
>>>>> hPhiOtherDecayScaled #phi_{#gamma}
>>>>> hEtaOtherDecayScaled #phi_{#gamma}
>>>>> hPtConversionScaled Number of #gamma over calorimeter
>>>>> hPhiConversionScaled #phi_{#gamma}
>>>>> hEtaConversionScaled #phi_{#gamma}
>>>>> hPtUnknownScaled Number of #gamma over calorimeter
>>>>> hPhiUnknownScaled #phi_{#gamma}
>>>>> hEtaUnknownScaled #phi_{#gamma}
>>>>> TFile** mergedOutput.root
>>>>> TFile* mergedOutput.root
>>>>> KEY: TH2F histosscaled;22 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;21 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;20 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;19 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;18 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;17 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;16 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;15 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;14 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;13 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;12 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;11 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;10 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;9 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;8 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;7 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;6 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;5 Number of #gamma over calorimeter
>>>>> KEY: TH2F histosscaled;4 #Sigma p_{T} in cone
>>>>> KEY: TH2F histosscaled;3 #phi_{#gamma}
>>>>> KEY: TH2F histosscaled;2 #phi_{#gamma}
>>>>> KEY: TH1F histosscaled;1 Number of #gamma over calorimeter
>>>>> Le 10 juin 08 � 08:40, Rene Brun a écrit :
>>>>>
>>>>>
>>>>>> I do not understand what you are trying to achieve. Your
>>>>>> histograms are
>>>>>> correctly merged with the statement
>>>>>> Bool_t result = m.Merge();
>>>>>>
>>>>>> but I have no idea of what you want to do with the code following
>>>>>> this
>>>>>> statement.
>>>>>> Your input files contain a TList of histograms, but you loop on the
>>>>>> TKeys as if each histogram was a TKey.
>>>>>>
>>>>>> Rene Brun
>>>>>>
>>>>>> Yaxian Mao wrote:
>>>>>>
>>>>>>> Dear Rene and all,
>>>>>>> I encounterd one problem when I try to merge two different root
>>>>>>> files by TFileMerger,
>>>>>>> which never happened before. After merging, all names of histograms
>>>>>>> in the root file
>>>>>>> are reseted by itself. I can not understand why, could somebody help
>>>>>>> me to solve this
>>>>>>> problem? Thanks very much!
>>>>>>> My root version is: v5-19-04
>>>>>>> Best regards,
>>>>>>> Yaxian
>>>>>>>
>>>>>> ============================================
>>>>>> Yves SCHUTZ (IN2P3-CNRS) collaboration ALICE
>>>>>> Office: 301 01 022 GSM: +41 76 487 4755
>>>>>> Mailbox: F02210 Tel: +41 22 76 72 131
>>>>>> CERN Fax: +41 22 76 79 480
>>>>>> CH-1211 Genève 23 mél: schutz_at_in2p3.fr <mailto:schutz_at_in2p3.fr>
>>>>>>
>>>>
>>>>
>>>
>>>
>>> ************************************************
>>> * Yaxian Mao *
>>> * *
>>> * Address: Institute of Particle Physics, *
>>> * Huazhong Normal University *
>>> * Wuhan, 430079, P. R. China *
>>> * Tel: 0086 27 6786 7946 (lab) *
>>> * 0086 27 8785 2613 (dormitory) *
>>> * Fax: 0086 27 6786 3213 *
>>> * Email: maoyx_at_iopp.ccnu.edu.cn <mailto:maoyx_at_iopp.ccnu.edu.cn> *
>>> * Yaxian.Mao_at_gmail.com <mailto:Yaxian.Mao_at_gmail.com> *
>>> ************************************************
>>>
>>>
>>
>
>> ============================================
>> Yves SCHUTZ (IN2P3-CNRS) collaboration ALICE
>> Office: 301 01 022 GSM: +41 76 487 4755
>> Mailbox: F02210 Tel: +41 22 76 72 131
>> CERN Fax: +41 22 76 79 480
>> CH-1211 Genève 23 mél: schutz_at_in2p3.fr <mailto:schutz_at_in2p3.fr>
>
> =
Received on Mon Jun 23 2008 - 17:31:58 CEST