featuremapper/analysis/spatialtuning.py
def fr2sp(fr):
    """
    Convert spatial frequency to spatial constant.
    """
    return (math.sqrt(2)/(2*math.pi*fr))

    Convert spatial frequency to spatial constant.
    
Convert spatial frequency to spatial constant.
Convert spatial frequency to spatial constant .
def fr2sp(fr):
    return (math.sqrt(2)/(2*math.pi*fr))
def fr2sp ( fr ) : return ( math . sqrt ( 2 ) / ( 2 * math . pi * fr ) )
Convert spatial frequency to spatial constant.
Convert spatial frequency to spatial constant .
"""
    Convert spatial frequency to spatial constant.
    """
fr