test_shaperdigit_sorter.py

 
 
import basf2
import ROOT
from ROOT import Belle2
import b2test_utils
from svd import add_svd_reconstruction
 
 
class CreateDigits(basf2.Module):
    """Create SVD ShaperDigits"""
 
    def __init__(self, digits):
        """digits is a list of (sensor, side, strip) for which to generate a digit"""
        super().__init__()
        
        self.svddigits = Belle2.PyStoreArray("SVDShaperDigits")
        
        self.digits = digits
        
        self.samples = ROOT.array('unsigned char', 6)()
 
        for i, sample in zip(range(6), [0, 0, 12, 18, 12, 8]):
            self.samples[i] = sample
        
        self.mode = Belle2.SVDModeByte(144)
        
        self.fadc_time = 0
 
    def initialize(self):
        '''initialize'''
 
        self.svddigits.registerInDataStore()
 
    def event(self):
        '''event'''
 
        for sensor, side, strip in self.digits:
            d = self.svddigits.appendNew()
            d.__assign__(Belle2.SVDShaperDigit(Belle2.VxdID(3, 1, sensor), side, strip, self.samples, self.fadc_time, self.mode))
        print('\nGenerated digits:')
        for digit in self.svddigits:
            print("digit: sensor %s, side %s, strip %d" %
                  (digit.getSensorID(), 'u' if digit.isUStrip() else 'v', digit.getCellID()))
 
 
class CheckOrderingOfDigits(basf2.Module):
    """Check ordering of SVD digits"""
 
    def event(self):
        '''event'''
 
        digits = Belle2.PyStoreArray("SVDShaperDigits")
        current_ID = 0
        for d in digits:
            new_ID = d.getUniqueChannelID()
            if new_ID > current_ID:
                current_ID = new_ID
            else:
                Belle2.B2ERROR('Wrong ordering!')
 
 
class PrintDigitsAndClusters(basf2.Module):
    """Print all SVD digits and clusters"""
 
    def event(self):
        '''event'''
 
        digits = Belle2.PyStoreArray("SVDShaperDigits")
        clusters = Belle2.PyStoreArray("SVDClusters")
        print('\nSorted digits and clusters:')
        for d in digits:
            print("digit: sensor %s, u-side %s, strip %d" %
                  (d.getSensorID(), d.isUStrip(), d.getCellID()))
        for c in clusters:
            print("cluster: sensor %s, side %s, position %d  size %d" %
                  (c.getSensorID(), 'u' if c.isUCluster() else 'v', c.getPosition(), c.getSize()))
 
 
if __name__ == "__main__":
    with b2test_utils.clean_working_directory():
        # basf2.set_log_level(basf2.LogLevel.ERROR)
        sig_digits = [
            (2, False, 112),
            (2, True, 66),
            (1, True, 12),
            (2, True, 65),
            (1, True, 11),
            (2, False, 113),
            (1, True, 10)
        ]
 
        basf2.B2INFO('Test SVDShaperDigitSorter\n' +
                     'In this test, we generate some ShaperDigits in  radnom order\n' +
                     'and insert them in the DataStore. Then we call shaper digit\n' +
                     'sorter module and check whether the digits are correctly sorted.\n')
 
        test_ordering = basf2.create_path()
        test_ordering.add_module("EventInfoSetter")
        test_ordering.add_module("Gearbox")
        test_ordering.add_module("Geometry", components=["SVD"])
        test_ordering.add_module(CreateDigits(sig_digits))
        test_ordering.add_module("SVDShaperDigitSorter")
        add_svd_reconstruction(test_ordering)
        test_ordering.add_module(PrintDigitsAndClusters())
        test_ordering.add_module(CheckOrderingOfDigits())
 
        result = b2test_utils.safe_process(test_ordering)
        basf2.B2INFO(f'\nTest finished {["successfully", "with failure"][result]}.\n')