Alignment Strategy for ATLAS: Detector Description and Database Issues. Grant Gorfine (Wuppertal/CERN) On behalf of the ATLAS Alignment Community. LHC Alignment Workshop, CERN Sept 4-6, 2006. Outline. Motivation GeoModel Detector Description Raw Geometry Readout geometry
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On behalf of the ATLAS Alignment Community
LHC Alignment Workshop, CERN Sept 4-6, 2006
Detector Description DataBase
PV = physical volume
FPV = full physical volume (transform cached)
For example we have 3 levels in the silicon detectors.
Level 1: Subsystem (Whole Pixel, Barrel SCT and Endcap for SCT)
Level 2: Layers/Discs
Level 3: Modules
Cond DB and DetDescr DB
Produce new alignment tag Passi+1