Improve vertex finding / clustering in beamspot calibration.

Clusterer now has an option to do clustering at beamspot position instead of (0,0) position. This improves clustering and makes resulting vertex fit less biased, and matches offline beam position.

Resolves ATONLBS-30

This merge request affects 1 package:

• Trigger/TrigAlgorithms/TrigT2BeamSpot

This merge request affects 7 files:

• Trigger/TrigAlgorithms/TrigT2BeamSpot/CMakeLists.txt
• Trigger/TrigAlgorithms/TrigT2BeamSpot/TrigT2BeamSpot/T2VertexBeamSpotTool.h
• Trigger/TrigAlgorithms/TrigT2BeamSpot/python/T2VertexBeamSpotConfig.py
• Trigger/TrigAlgorithms/TrigT2BeamSpot/python/T2VertexBeamSpotMonitoring.py
• Trigger/TrigAlgorithms/TrigT2BeamSpot/src/T2TrackClusterer.cxx
• Trigger/TrigAlgorithms/TrigT2BeamSpot/src/T2TrackClusterer.h
• Trigger/TrigAlgorithms/TrigT2BeamSpot/src/T2VertexBeamSpotTool.cxx

Adding @mvozak ,@bernius as watchers

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 28401885)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 24756]

added review-approved label and removed review-pending-level-1 label

mentioned in commit ea4ea03d

merged

added sweep:ignore label