Source code for allensdk.brain_observatory.findlevel

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import numpy as np


[docs]def findlevel(inwave, threshold, direction='both'): temp = inwave - threshold if (direction.find("up") + 1): crossings = np.nonzero(np.ediff1d(np.sign(temp), to_begin=0) > 0) elif (direction.find("down") + 1): crossings = np.nonzero(np.ediff1d(np.sign(temp), to_begin=0) < 0) else: crossings = np.nonzero(np.ediff1d(np.sign(temp), to_begin=0)) if len(crossings) == 0 or len(crossings[0]) == 0: return None return crossings[0][0]