Re: [ROOT] Troubles with THbookFile and THbookTree

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Oct 24 2002 - 19:16:38 MEST


Hi Luigi,

I cannot reproduce this problem.
Could you tell me where I can take your two Hbook files
and also send me a script reproducing the problem.

Rene Brun

On Thu, 24 Oct 2002, Bardelli Luigi wrote:

> Dear Rooters,
>      I'm experiencing troubles with  THbookFile and THbookTree: I have two
> files with the same structure and a ntuple inside, and I'd like to compare
> them. The files are different, as I checked out both with PAW and ROOT
> opening them separatly.
> 
> This is my script:
> 
> {
>   gSystem->Load("libHbook");
> 
>   THbookFile *file1=new THbookFile("lqtau_s0l_m600_11.ntp",8192);
>   file1->ls();
>   printf("Now Get #1: file1 is 0x%x\n",(int )file1);
>   THbookTree *tree1=(THbookTree*)file1->Get(1);
>   printf("Now Draw #1: tree1 is 0x%x\n", (int)tree1);
>   tree1->SetName("tree1");
>   tree1->Draw("Cal_pt");
>   // file1->Close(); // <<==
> 
>   THbookFile *file2=new THbookFile("cc_q210.ntp",8192);
>   file2->ls();
>   printf("Now Get #2: file2 is 0x%x\n",(int )file2);
>   THbookTree *tree2=(THbookTree*)file2->Get(1);
>   printf("Now Draw #2: tree2 is 0x%x\n", (int)tree2);
>   tree2->SetName("tree2");
>   tree2->SetLineColor(2);
>   tree2->Draw("Cal_pt","","same");
> }
> 
> Executing I get:
>  ===> Directory : //lun10
>           1 (N)   ORANGE  
>        1103 (2)   VCMONFIT CTD AX:Y=fit,X=M-F 
>        1104 (1)   VCMONFIT CTD AX: (M-F)  
>         331 (1)   VCMONFIT CTD AX(FADC): (M-F)
>         332 (1)   VCMONFIT CTD AX(ZBYT): (M-F)
>        1105 (2)   VCMONFIT CTD ZBYT:Y=fit,X=M-F   
>        1106 (1)   VCMONFIT CTD ZBYT:M-F   
>        1107 (2)   VCMONFIT CTD STER:Y=fit,X=M-F   
>        1108 (1)   VCMONFIT CTD STER: (M-F)
>         201 (1)   VCMONend CTD AX: (M-F)  
>         202 (1)   VCMONend CTD ZBYT:Y=M-F,X=fit   
>         203 (1)   VCMONend CTD ZBYT:M-F   
> Now Get #1: file1 is 0x8713db8
> Now Draw #1: tree1 is 0x8718050
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
> 
> 
>  ===> Directory : //lun11
>           1 (N)   ORANGE  
>        1103 (2)   VCMONFIT CTD AX:Y=fit,X=M-F 
>        1104 (1)   VCMONFIT CTD AX: (M-F)  
>         331 (1)   VCMONFIT CTD AX(FADC): (M-F)
>         332 (1)   VCMONFIT CTD AX(ZBYT): (M-F)
>        1105 (2)   VCMONFIT CTD ZBYT:Y=fit,X=M-F   
>        1106 (1)   VCMONFIT CTD ZBYT:M-F   
>        1107 (2)   VCMONFIT CTD STER:Y=fit,X=M-F   
>        1108 (1)   VCMONFIT CTD STER: (M-F)
>         201 (1)   VCMONend CTD AX: (M-F)  
>         202 (1)   VCMONend CTD ZBYT:Y=M-F,X=fit   
>         203 (1)   VCMONend CTD ZBYT:M-F   
> Now Get #2: file2 is 0x8d288b8
> Now Draw #2: tree2 is 0x8d2ca48
> (Int_t)4983
> root [1] 
> 
> but i don't get two different superimposed histograms, but only one (as if
> the input files were the same).
> The "SetName" commands don't seem to alter this behaviour.
> If now I uncomment the 
> 
> file1->Close(); // <<==
> 
> and execute, I get:
> 
>  ===> Directory : //lun10
>           1 (N)   ORANGE  
>        1103 (2)   VCMONFIT CTD AX:Y=fit,X=M-F 
>        1104 (1)   VCMONFIT CTD AX: (M-F)  
>         331 (1)   VCMONFIT CTD AX(FADC): (M-F)
>         332 (1)   VCMONFIT CTD AX(ZBYT): (M-F)
>        1105 (2)   VCMONFIT CTD ZBYT:Y=fit,X=M-F   
>        1106 (1)   VCMONFIT CTD ZBYT:M-F   
>        1107 (2)   VCMONFIT CTD STER:Y=fit,X=M-F   
>        1108 (1)   VCMONFIT CTD STER: (M-F)
>         201 (1)   VCMONend CTD AX: (M-F)  
>         202 (1)   VCMONend CTD ZBYT:Y=M-F,X=fit   
>         203 (1)   VCMONend CTD ZBYT:M-F   
> Now Get #1: f1 is 0x8713dd8
> Now Draw #1: t1 is 0x8718070
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
> 
> 
>  ===> Directory : //lun10
>           1 (N)   ORANGE  
>        1103 (2)   VCMONFIT CTD AX:Y=fit,X=M-F 
>        1104 (1)   VCMONFIT CTD AX: (M-F)  
>         331 (1)   VCMONFIT CTD AX(FADC): (M-F)
>         332 (1)   VCMONFIT CTD AX(ZBYT): (M-F)
>        1105 (2)   VCMONFIT CTD ZBYT:Y=fit,X=M-F   
>        1106 (1)   VCMONFIT CTD ZBYT:M-F   
>        1107 (2)   VCMONFIT CTD STER:Y=fit,X=M-F   
>        1108 (1)   VCMONFIT CTD STER: (M-F)
>         201 (1)   VCMONend CTD AX: (M-F)  
>         202 (1)   VCMONend CTD ZBYT:Y=M-F,X=fit   
>         203 (1)   VCMONend CTD ZBYT:M-F   
> Now Get #2: f2 is 0x87181d8
> 
>  *** Break *** segmentation violation
> Root > 
> 
> If I convert them all to .root with h2root, everything works fine.
> Can you help me?
> Thanks
> 	Luigi
> 
> PS: I'm using ROOT 3.03/06 compiled on a RedHat 7.2 box with gcc version
> 2.96.
> 
> 
> ,------------------------------------------------------------------,
> | Luigi Bardelli                                                   |
> |------------------------------------------------------------------|
> | INFN Sezione di Firenze                                          |
> | Tel: +39-055-457-2255                                            |
> | E-Mail: bardelli@fi.infn.it                                      |
> `------------------------------------------------------------------'
> ** Please avoid sending me Word or PowerPoint attachments.
> ** See http://www.fsf.org/philosophy/no-word-attachments.html 
> 



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