wonderful !!
thank you so much
ganis a écrit :
>
> Hi,
>> *how to disactivate the "Proof query progress" window (the graphical
>> window that opens with the tachymeter) without using the option "root
>> -b"
>> (i mean i wish to keep the graphical mode to draw some histogram) but
>> wish to disactivate this Proof run query.
>>
>> The reason is that, when you emulate X-window under microsoft Windows
>> environment, it is very slow for this graphical window (which moves
>> by the way because of the tachymeter. To click on no animation is
>> very slow as well for the X-window to "understand").
>>
>> i do :
>> p->Load("myselector.C+")
>> myset->Process("myselector");
>>
>> the graphical window starts for this Process command : how to
>> disactivate it ?
> You have to set the bit TProof::kUsingSessionGui on the TProof
> object before any Process(...) call:
>
> root [] TProof *p = TProof::Open(...)
> root [] p->SetBit(TProof::kUsingSessionGui)
> root [] p->Process(tdset, ...)
> or
> root [] tdset->Process(...)
>
> (gProof is set automatically to the last object created by
> TProof::Open ...).
>> *by the way, a TDSet has the option GetOutputList()
>> (when i do the Load first, i'm able to get back the myset after
>> processing the selection)
>>
>> but, in order to have the right of using the "jokers" for the file
>> definition ("MyPath/*root*"), i wanted to try the TChain (to use some
>> * for the files)
>> but TChain has not the method GetOutputList()
>> would you recommand to use gPROOF->GetOutputList() ?
>> in this case, if i do two consecutive selections, will gPROOF
>> remember the last output list or both ? i wish to remember only last
>> one so that my plan would be :
>> Define the first Set
>> launch the process() on this set
>> get back the histogram
>> define the second set
>> launch the process() on this new independent set
>> get back the histogram but not the first one
> The TDSet::GetOutputList() is a legacy interface to
> gProof->GetOutputList() which is deprecated and will be
> removed (this said, I have no problem with it ...).
> gProof->GetOutputList() is the correct way to access the output list.
> A new output list is created for each run, so there is no overlap
> in the output of two runs.
>
> Gerri
>>
>> thanks
>>
>> =========================
>>
>> On Sun, 16 May 2010, Gerardo Ganis wrote:
>>
>>>
>>> On May 14, 2010, at 7:26 PM, Marc Escalier <escalier_at_lal.in2p3.fr>
>>> wrote:
>>>
>>>> Hi rooters,
>>>>
>>>> may i ask some questions on Proof (Parallel root facility) ?
>>>> (any idea on any of the problems below is welcome. thank you
>>>> just in case, i rank them from the most important to the less
>>>> important)
>>>>
>>>> *Would you know how to get back an histogram that was filled in the
>>>> class selector created by the MakeClass() to the main program ?
>>>> for example, i do :
>>>> {
>>>> #include "myselector.C"
>>>>
>>>> TProof *p=TProof::Open("ccapl0001.in2p3.Fr","workers=50");
>>>> TDSet *myset=new TDSet("TTree","PAUReco");
>>>> myset->Add("root://ccxrasn001:1094//xrootd/users/p/PAU/MonteCarlo/GamJet7_108085_r1215/TestLAL/PAU-00-01-60/group10.phys-sm.mc09_7TeV.00105805.filtered_minbias6.e530_s765_s767_r1205_r1210_FromFilteredAOD_15_6_8_4_v0_NoGRL_NTUP-PAU-00-01-60_15_6_8_4_v0.AANT._00001.root");
>>>>
>>>> ...
>>>> myset->Process("myselector.C");
>>>> //Which fills a histogram : hist_pt_photon
>>>> }
>>>>
>>>> then when i type in the session (or directly to the code) :
>>>> "myset" : i don't have the object anymore
>>>> myset->Print();
>>>> whereas this instruction works if above the Process command (but i
>>>> need after of course if i need to access the histogram that was
>>>> filled by the Process() macro)
>>>> ==>
>>>> Error: Symbol myset is not defined in current scope
>>>> MinimumProof.C:141:
>>>> Error: Failed to evaluate myset->Print()
>>>> *** Interpreter error recovered ***
>>>>
>>>> so i can't get the histogram since the instance of TDSet no more
>>>> exists after the Process() instruction
>>>> (i wanted to use something like myset->GetOutputList()
>>>
>>> The output list is owned by the TProofPlayer and can be accessed via
>>> TProof, so you have to use gProof->GetOutputList().
>>>
>>>>
>>>> *TDSet : did you succeed to use "jokers" (*) : "MyPath/*root*" ?
>>>> it seems not to work while it was working fine with TChain stuff
>>>>
>>>> so i need to add each file one by one : a bit borying (of course i
>>>> can do a script)
>>>> TDSet *myset=new TDSet("TTree","PAUReco");
>>>> myset->Add("root://ccxrasn001:1094//xrootd/users/p/PAU/MonteCarlo/GamJet7_108085_r1215/TestLAL/PAU-00-01-60/group10.phys-sm.mc09_7TeV.00105805.filtered_minbias6.e530_s765_s767_r1205_r1210_FromFilteredAOD_15_6_8_4_v0_NoGRL_NTUP-PAU-00-01-60_15_6_8_4_v0.AANT._00001.root")
>>>>
>>>
>>> Well, Proof was not developed to process local files, so a TDSet
>>> constructor from files in local directory was not the first thing to
>>> do. And this is the first request we got. A script allows all the
>>> flexibility needed to adapt to the various mass storages. This said,
>>> you should probably consider using the dataset functionality ( see
>>> the web pages) which allows to register and process datasets by
>>> name, caching several info to speed up the pre-processing phase.
>>>
>>>>
>>>> *bonus question
>>>> in the Terminate() method, if i don't do :
>>>> hist_pt_photon =
>>>> dynamic_cast<TH1F*>(fOutput->FindObject("hist_pt_photon"));
>>>> the histogram can't be access in the method : would you know why ?
>>>
>>> Because the objects are created and filled in a different process
>>> than the local client and are returned via the output list. For
>>> members of the selector it may be that in the future they
>>> automatically connected. But we do not have a time scale yet for that.
>>>
>>> G. Ganis
>>>
>
>
Received on Mon May 17 2010 - 10:32:23 CEST
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