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How to treat real detector data? [message #7764]

Tue, 27 January 2009 16:03

Ralf Kliemt
Messages: 508
Registered: May 2007
Location: GSI, Darmstadt

first-grade participant

From: 141.30.85*

Hi all,

The Mvd test sensors are taking data which I intend to stuff into our pandaroot analysis chain. There is a task developed to read the data and put it into a clonesarray via the framework. (see https://subversion.gsi.de/fairroot/pandaroot/development/mvddevel/mvd/Mv dDAQ rev. 4422)

However, there are some issues with the Run objects: The CbmRunSim is not really a good option to use (it works, though) because you will start the Monte-Carlo which is not needed and which really slows the whole thing down. The CbmRunAna is more preferable, but it reads a TChain, which still has to be created. Especially the Run function is setting the eventnumber according to the Eventnumber in the TChain.

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There are two possible solutions which come to my mind: Either we create a new CbmRun class which is there for taking CbmDetector modules (to have the panda geometry) and a list of tasks OR to set the CbmRunAna into a "DataMode" and simply skipping the eventnumber check in the Run function. Personally I'd prefer to have a CbmRunData (or CbmRunDAQ or whatever).

I'd be glad to hear an opinion on that.

Cheers, Ralf.

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Re: How to treat real detector data? [message #7765 is a reply to message #7764]

Tue, 27 January 2009 16:16

Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany

first-grade participant

From: *gsi.de

Hi Ralf,

you can use the CbmRunAna::DummyRun which does not use any input chain or what ever it just execute your task and fill a tree out of that!

regards

Mohammad

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Re: How to treat real detector data? [message #7766 is a reply to message #7764]

Wed, 28 January 2009 11:39

Ralf Kliemt
Messages: 508
Registered: May 2007
Location: GSI, Darmstadt

first-grade participant

From: 141.30.85*

Hello again,

We tried it with the CbmRunAna::DummyRun(). It works so far.

Ralf.

PS: Filesize issues may arise from not clearing the arrays each event.

[Updated on: Wed, 28 January 2009 11:41]

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