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import numpy as np
from numpy.typing import ArrayLike
from uproot import TTree
from ..common import extractMatrix
class ClustersFromDigits:
"""
A class intended for reconstructing pxd cluster parameters from digit information
"""
def __init__(self) -> None:
# these are the sensor IDs of the pxd modules/panels from the root file, they are
# use to identify on which panels a cluster event happened
self.panelIDs = np.array([ 8480, 8512, 8736, 8768, 8992, 9024, 9248, 9280,
9504, 9536, 9760, 9792, 10016, 10048, 10272, 10304,
16672, 16704, 16928, 16960, 17184, 17216, 17440, 17472,
17696, 17728, 17952, 17984, 18208, 18240, 18464, 18496,
18720, 18752, 18976, 19008, 19232, 19264, 19488, 19520])
# u/v position min/max for layer 1 & 2, they are needed for reconstructing roi unselected cluster locations
# it's the upper and lower bound of a u/v postion on a per sensor id
self.uFit = {8480: np.poly1d([ 0.005 , -0.6228546]),
8512: np.poly1d([ 0.005 , -0.62285449]),
8736: np.poly1d([ 0.005 , -0.6228546]),
8768: np.poly1d([ 0.005 , -0.62285449]),
8992: np.poly1d([ 0.005 , -0.6228546]),
9024: np.poly1d([ 0.005 , -0.62285449]),
9248: np.poly1d([ 0.005 , -0.6228546]),
9280: np.poly1d([ 0.005 , -0.62285449]),
9504: np.poly1d([ 0.005 , -0.6228546]),
9536: np.poly1d([ 0.005 , -0.62285449]),
9760: np.poly1d([ 0.005 , -0.6228546]),
9792: np.poly1d([ 0.005 , -0.62285449]),
10016: np.poly1d([ 0.005 , -0.6228546]),
10048: np.poly1d([ 0.005 , -0.62285449]),
10272: np.poly1d([ 0.005 , -0.6228546]),
10304: np.poly1d([ 0.005 , -0.62285449]),
16672: np.poly1d([ 0.005 , -0.62285456]),
16704: np.poly1d([ 0.005 , -0.62285445]),
16928: np.poly1d([ 0.005 , -0.62285456]),
16960: np.poly1d([ 0.005 , -0.62285446]),
17184: np.poly1d([ 0.005 , -0.62285456]),
17216: np.poly1d([ 0.005 , -0.62285446]),
17440: np.poly1d([ 0.005 , -0.62285456]),
17472: np.poly1d([ 0.005 , -0.62285446]),
17696: np.poly1d([ 0.005 , -0.62285456]),
17728: np.poly1d([ 0.005 , -0.62285446]),
17952: np.poly1d([ 0.005 , -0.62285456]),
17984: np.poly1d([ 0.005 , -0.62285446]),
18208: np.poly1d([ 0.005 , -0.62285456]),
18240: np.poly1d([ 0.005 , -0.62285446]),
18464: np.poly1d([ 0.005 , -0.62285456]),
18496: np.poly1d([ 0.005 , -0.62285446]),
18720: np.poly1d([ 0.005 , -0.62285456]),
18752: np.poly1d([ 0.005 , -0.62285446]),
18976: np.poly1d([ 0.005 , -0.62285456]),
19008: np.poly1d([ 0.005 , -0.62285446]),
19232: np.poly1d([ 0.005 , -0.62285456]),
19264: np.poly1d([ 0.005 , -0.62285446]),
19488: np.poly1d([ 0.005 , -0.62285456]),
19520: np.poly1d([ 0.005 , -0.62285445])}
self.vFit = {8480: np.poly1d([ 0.00587037, -2.29395374]),
8512: np.poly1d([ 0.00587037, -2.20862039]),
8736: np.poly1d([ 0.00587037, -2.29395374]),
8768: np.poly1d([ 0.00587037, -2.20862039]),
8992: np.poly1d([ 0.00587037, -2.29395375]),
9024: np.poly1d([ 0.00587037, -2.20862039]),
9248: np.poly1d([ 0.00587037, -2.29395375]),
9280: np.poly1d([ 0.00587037, -2.20862039]),
9504: np.poly1d([ 0.00587037, -2.29395375]),
9536: np.poly1d([ 0.00587037, -2.20862039]),
9760: np.poly1d([ 0.00587037, -2.29395375]),
9792: np.poly1d([ 0.00587037, -2.2086204 ]),
10016: np.poly1d([ 0.00587037, -2.29395375]),
10048: np.poly1d([ 0.00587037, -2.20862039]),
10272: np.poly1d([ 0.00587037, -2.29395375]),
10304: np.poly1d([ 0.00587037, -2.20862039]),
16672: np.poly1d([ 1.44676145e-06, 7.00144541e-03, -3.09694398e+00]),
16704: np.poly1d([-1.44676141e-06, 9.22077745e-03, -3.12427848e+00]),
16928: np.poly1d([ 1.44676147e-06, 7.00144538e-03, -3.09694398e+00]),
16960: np.poly1d([-1.44676141e-06, 9.22077745e-03, -3.12427848e+00]),
17184: np.poly1d([ 1.44676151e-06, 7.00144535e-03, -3.09694397e+00]),
17216: np.poly1d([-1.44676138e-06, 9.22077742e-03, -3.12427847e+00]),
17440: np.poly1d([ 1.44676148e-06, 7.00144538e-03, -3.09694398e+00]),
17472: np.poly1d([-1.44676141e-06, 9.22077744e-03, -3.12427848e+00]),
17696: np.poly1d([ 1.44676154e-06, 7.00144533e-03, -3.09694397e+00]),
17728: np.poly1d([-1.44676144e-06, 9.22077747e-03, -3.12427849e+00]),
17952: np.poly1d([ 1.44676148e-06, 7.00144539e-03, -3.09694398e+00]),
17984: np.poly1d([-1.44676143e-06, 9.22077746e-03, -3.12427848e+00]),
18208: np.poly1d([ 1.44676142e-06, 7.00144543e-03, -3.09694399e+00]),
18240: np.poly1d([-1.44676147e-06, 9.22077748e-03, -3.12427848e+00]),
18464: np.poly1d([ 1.44676148e-06, 7.00144539e-03, -3.09694398e+00]),
18496: np.poly1d([-1.44676139e-06, 9.22077742e-03, -3.12427847e+00]),
18720: np.poly1d([ 1.44676152e-06, 7.00144535e-03, -3.09694397e+00]),
18752: np.poly1d([-1.44676141e-06, 9.22077744e-03, -3.12427848e+00]),
18976: np.poly1d([ 1.44676153e-06, 7.00144534e-03, -3.09694397e+00]),
19008: np.poly1d([-1.44676139e-06, 9.22077743e-03, -3.12427848e+00]),
19232: np.poly1d([ 1.44676152e-06, 7.00144537e-03, -3.09694398e+00]),
19264: np.poly1d([-1.44676145e-06, 9.22077748e-03, -3.12427849e+00]),
19488: np.poly1d([ 1.44676150e-06, 7.00144538e-03, -3.09694398e+00]),
19520: np.poly1d([-1.44676143e-06, 9.22077746e-03, -3.12427848e+00])}
self.digitsInKeys = { 'sensorID': 'PXDDigits/PXDDigits.m_sensorID',
'uCellID': 'PXDDigits/PXDDigits.m_uCellID',
'vCellID': 'PXDDigits/PXDDigits.m_vCellID',
'cellCharge': 'PXDDigits/PXDDigits.m_charge'}
self.digitsOutKeys = { 'sensorID': 'PXDDigitsOUT/PXDDigitsOUT.m_sensorID',
'uCellID': 'PXDDigitsOUT/PXDDigitsOUT.m_uCellID',
'vCellID': 'PXDDigitsOUT/PXDDigitsOUT.m_vCellID',
'cellCharge': 'PXDDigitsOUT/PXDDigitsOUT.m_charge'}
def branches(self, *, includeUnSelected: bool = False) -> list:
if includeUnSelected is True:
return list((self.digitsInKeys | self.digitsOutKeys).values())
return list(self.digitsInKeys.values())
def _pixelToUV(self, uvIndex: tuple[int], sensorID: int) -> float:
"""
Convert pixel indices to u/v positions based on sensor ID.
Parameters:
- uvIndex (tuple[int]): The u/v pixel index.
- sensorID (int): The sensor ID.
Returns:
- tuple[float]: The u/v positions.
"""
uMapped = self.uFit[sensorID](uvIndex[0])
vMapped = self.vFit[sensorID](uvIndex[1])
# Calculate and return the u/v positions for the given pixel index
return uMapped, vMapped
def get(self, eventTree: TTree, inOut: str = 'inROI') -> dict:
"""
Wrapper method to get cluster data.
Parameters:
- eventTree (TTree): The input event tree containing digit information.
Returns:
- dict: A dictionary containing processed cluster data.
"""
uCellIDs, vCellIDs, cellCharges, clusterSensorIDs = self._selectKeys(eventTree, inOut=inOut)
return self._process(uCellIDs, vCellIDs, cellCharges, clusterSensorIDs)
def _selectKeys(self, eventTree: TTree, inOut: str = 'inROI') -> tuple:
"""
grabbing the relavent arrays from the event tree
I seperated this out to shorten the already lengthy '_process' method
"""
if inOut == 'inROI':
digits = eventTree.arrays(self.digitsInKeys.values(), library='np')
uCellIDs = digits[self.digitsInKeys['uCellID']]
vCellIDs = digits[self.digitsInKeys['vCellID']]
cellCharges = digits[self.digitsInKeys['cellCharge']]
clusterSensorIDs = digits[self.digitsInKeys['sensorID']]
else:
digits = eventTree.arrays(self.digitsOutKeys.values(), library='np')
uCellIDs = digits[self.digitsOutKeys['uCellID']]
vCellIDs = digits[self.digitsOutKeys['vCellID']]
cellCharges = digits[self.digitsOutKeys['cellCharge']]
clusterSensorIDs = digits[self.digitsOutKeys['sensorID']]
return uCellIDs, vCellIDs, cellCharges, clusterSensorIDs
def _process(self, uCellIDs: ArrayLike, vCellIDs: ArrayLike, cellCharges: ArrayLike, clusterSensorIDs: ArrayLike) -> dict:
"""
Common method to process either clusters or digits based on the given processType.
Parameters:
- eventTree (TTree): The input event tree containing digit information.
- processType (str): The type of processing to perform ('clusters' or 'digits').
Returns:
- dict: A dictionary containing processed data.
"""
# Initialize variables
eventNumbers = []
uPositions, vPositions = [], []
uSizes, vSizes, clsSizes = [], [], []
uCells, vCells, cCharges = [], [], []
seedCharges, clsCharges = [], []
sensorIDs = []
# Loop through each cell charge to populate matrices and process data
for i in range(len(clusterSensorIDs)):
# Initialize and populate the matrix
matrixLadder = np.zeros((250, 768))
matrixLadder[uCellIDs[i], vCellIDs[i]] = cellCharges[i]
sensorID = clusterSensorIDs[i]
xx, yy = uCellIDs[i], vCellIDs[i]
# checking if no pixels overlap
assert len(yy) == len(sensorID), f"event: {i}, yy: {len(yy)}, sensorID: {len(sensorID)}"
assert len(xx) == len(sensorID), f"event: {i}, xx: {len(xx)}, sensorID: {len(sensorID)}"
#print(i, len(sensorID), len(cellCharges))
# here I store all pixels, that have already been visited
knownPixels = {id: set() for id in self.panelIDs}
for x, y, id in zip(xx, yy, sensorID):
if (x, y) in knownPixels[id]:
continue
eventNumbers.append(i)
sensorIDs.append(id)
matrix, xLower, yLower = extractMatrix(matrixLadder, x, y)
vv, uu = np.nonzero(matrix)
cCharges.append(matrix[vv, uu].astype(int))
vCells.append(vv + xLower)
uCells.append(uu + yLower)
seedCharges.append(matrix[4,4].astype(int))
clsCharges.append(np.sum(matrix).astype(int))
clsSizes.append(np.count_nonzero(matrix))
vSizes.append(len(vv))
uSizes.append(len(uu))
# Convert local indices of non-zero pixels to global indices
globalNonzeroX = vv + xLower
globalNonzeroY = uu + yLower
# Update knownPixels with the global coordinates of the non-zero pixels
knownPixels[id].update(zip(globalNonzeroX, globalNonzeroY))
# Append these global (u, v) positions to their respective lists
uPosition, vPosition = self._coordinates(x, y, id)
uPositions.append(uPosition)
vPositions.append(vPosition)
return {
'eventNumber': np.array(eventNumbers).astype(int),
'clsCharge': np.array(clsCharges).astype(int),
'seedCharge': np.array(seedCharges).astype(int),
'clsSize': np.array(clsSizes).astype(int),
'uSize': np.array(uSizes).astype(int),
'vSize': np.array(vSizes).astype(int),
'uPosition': np.array(uPositions),
'vPosition': np.array(vPositions),
'sensorID': np.array(sensorIDs).astype(int),
'uCellIDs': np.array(uCells, dtype=object),
'vCellIDs': np.array(vCells, dtype=object),
'cellCharges': np.array(cCharges, dtype=object)
}
def _coordinates(self, x: int, y: int, id: int) -> tuple[float, float]:
# Assuming the center pixel is at local coordinates (4, 4) in the 9x9 matrix
# and you have the global coordinates (x, y) of the top-left corner of this 9x9 matrix
centerLocalX, centerLocalY = 4, 4
centerGlobalX, centerGlobalY = x + centerLocalX, y + centerLocalY
# Now convert this global center pixel position to (u, v) coordinates
return self._pixelToUV((centerGlobalX, centerGlobalY), id)