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Re: Implementing Software Alignment into PandaROOT [message #21846 is a reply to message #21722] Mon, 27 November 2017 16:10 Go to previous message
Stefan Pflueger is currently offline  Stefan Pflueger
Messages: 99
Registered: February 2012
continuous participant
 From: *specf.him.uni-mainz.de
Hi all,

I have been discussing the alignment study issue a bit on the ROOT forum.

https://root-forum.cern.ch/t/howto-do-alignment-studies-with-tgeo-howto- handle-overlaps/26918

There were two ways to perform the mis-alignment studies:


  1. Actually mis-align the geometry in the simulation: Pros: easy to handle and realistic. Cons: overlaps in the volumes
  2. Mis-alignment of the Digis/Hits/Clusters. Pros: No overlap issue. Cons: Concept of hits vanishing and appearing on different sensors with the mis-alignment cannot be implemented (or its quite complicated). Hence not as realistic


The Alice collaboration has chosen option 1., which also Andrei suggested as a preferred solution.
The biggest task here would be to study the overlaps in detail.

Best regards,
Stefan

[Updated on: Mon, 27 November 2017 16:11]

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