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Error and warning in geometry of MDT and DRC [message #11706]

Thu, 21 April 2011 15:55

Olaf Hartmann
Messages: 105
Registered: December 2003
Location: Wien-Alsergrund

continuous participant

From: *smi.oeaw.ac.at

Dear all,

after a checkout of r11678 (before I was working with r10849), my geometry definition doesn't work as before:

  PndMdt *Muo = new PndMdt("MDT",kFALSE);
  Muo->SetBarrel("torino");
  Muo->SetEndcap("torino");
  Muo->SetMuonFilter("torino");
  Muo->SetMdtMagnet(kTRUE);
  Muo->SetMdtMFIron(kTRUE);
  fRun->AddModule(Muo);

now gives the following error:

Quote:

PndMdt::ConstructGeometry : No good MDT Barrel definition

Furthermore,

  PndDrc *Drc = new PndDrc("DIRC", kFALSE);
  Drc->SetRunCherenkov(kFALSE); // for fast sim Cherenkov -> kFALSE
  fRun->AddModule(Drc);

produces the following warning when using TGeant3:

Quote:

====================================================
======= DRC:: ConstructOpticalGeometry() ========
Warning in <TGeant3TGeo::DefineOpSurface>: Called for surface BarSurface. Not applicable in Geant3 - setting is ignored.
Warning in <TGeant3TGeo::SetBorderSurface>: Called for border surface BarAirSurface. Not applicable in Geant3 - setting is ignored.

Please let me know what I should change.

Thanks
Olaf.

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Re: Error and warning in geometry of MDT and DRC [message #11707 is a reply to message #11706]

Thu, 21 April 2011 15:58

donghee
Messages: 385
Registered: January 2009
Location: Germnay

first-grade participant

From: *kph.uni-mainz.de

For MDT it should work with
torino -> fast

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Re: Error and warning in geometry of MDT and DRC [message #11708 is a reply to message #11707]

Thu, 21 April 2011 16:04

Olaf Hartmann
Messages: 105
Registered: December 2003
Location: Wien-Alsergrund

continuous participant

From: *smi.oeaw.ac.at

Ok, this way it works. Thanks.

Donghee Kang wrote on Thu, 21 April 2011 15:58

For MDT it should work with
torino -> fast

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Re: Error and warning in geometry of MDT and DRC [message #11709 is a reply to message #11706]

Thu, 21 April 2011 16:07

donghee
Messages: 385
Registered: January 2009
Location: Germnay

first-grade participant

From: *kph.uni-mainz.de

I have same message...
I assume that one can simply ignore it, because this geometry is only part of DRC and should not change results too much in the tracking level.
But I'm not sure for PID part....will give some small(?) effects.
However, in simulation I don't have any crash due to that.

Quote:

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Re: Error and warning in geometry of MDT and DRC [message #11728 is a reply to message #11709]

Sun, 01 May 2011 12:09

Maria Patsyuk
Messages: 58
Registered: April 2010

continuous participant

From: *pools.arcor-ip.net

As far as I know the warnings that you get are harmless - they just inform you that Optical Surfaces work only with Geant4 and are ignored if you run the simulations using Geant3. The DIRC geometry and optical photons propagation are not affected by switching between Genat3 and Geant4.

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