Reader Class Reference

Inheritance diagram for Reader:

Public Member Functions
	__init__ (self)
	event (self)

Public Attributes
	sensors = dict()
	dictionary to map the displacements for each sensor

Detailed Description

 Module to create misalignment (first reads real sensor positions, then applies misalignment and creates a xml file
  suited for creating a DB payload). The DB payload itself is created by using the Geometry module by setting the
  createPayloads to True.

Definition at line 78 of file CreateSensorDisplacements.py.

Constructor & Destructor Documentation

__init__()

__init__

(

self

)

 Init 

Definition at line 84 of file CreateSensorDisplacements.py.

    def __init__(self):
        ''' Init '''
 
        
        self.sensors = dict()
 
        super().__init__()
 

Member Function Documentation

event()

event

(

self

)

 event function 

Definition at line 92 of file CreateSensorDisplacements.py.

    def event(self):
        ''' event function '''
        maxDiff = 0.0
 
        for sensor in Belle2.VXD.GeoCache.getInstance().getListOfSensors():
 
            info = Belle2.VXD.GeoCache.getInstance().get(sensor)
 
            center = ROOT.TVector3(0., 0., 0.)
 
            centerN = info.pointToGlobal(center, False)
            centerA = info.pointToGlobal(center, True)
 
            centerDiff = centerA - centerN
 
            centerDiff = info.vectorToLocal(centerDiff, reco=False)
 
            # it is easy to run without alignment (e.g. specifying wrong IOV or tag) try to catch that by
            # checking that the displacementa are not 0
            if (maxDiff < centerDiff.R()):
                maxDiff = centerDiff.R()
 
            # for now do not use rotations for sensors
            phi = 0
            psi = 0
            theta = 0
 
            self.sensors[f"{sensor.getLayerNumber()}.{sensor.getLadderNumber()}.{sensor.getSensorNumber()}"] = [
                                                  centerDiff.X(), centerDiff.Y(), centerDiff.Z(), phi, theta, psi]
 
        if (maxDiff < 1e-9):
            basf2.B2ERROR(f"Max occured displacements are smaller then 1e-9! Are you sure alignments constants \
                          are loaded correctly? max={maxDiff} cm")
 
 
# reading displacements from the DB into a dictionary

Member Data Documentation

sensors

sensors = dict()

dictionary to map the displacements for each sensor

Definition at line 88 of file CreateSensorDisplacements.py.

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The documentation for this class was generated from the following file:

• tracking/scripts/tracking/secMapTraining/CreateSensorDisplacements.py