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Move compute_center_times from straxen to strax #938

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merged 2 commits into from
Dec 18, 2024
Merged

Move compute_center_times from straxen to strax #938

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d4048cb
Move `compute_center_times` from straxen to strax
dachengx Dec 18, 2024
65e4bba
Minor rename
dachengx Dec 18, 2024
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14 changes: 14 additions & 0 deletions strax/processing/peak_properties.py
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,20 @@ def compute_index_of_fraction(peak, fractions_desired, result):
result[-1] = peak["length"]


@export
@numba.njit(cache=True, nogil=True)
def compute_center_time(peaks):
result = np.zeros(len(peaks), dtype=np.int64)
for p_i, p in enumerate(peaks):
t = 0
for t_i, weight in enumerate(p["data"]):
t += t_i * p["dt"] * weight
result[p_i] = (
t / p["area"] + p["dt"] / 2 + p["time"]
) # converting from float to int, implicit floor
return result


@export
def compute_widths(peaks, select_peaks_indices=None):
"""Compute widths in ns at desired area fractions for peaks.
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