def METHOD_NAME(xparm_file):
    '''Read an XDS XPARM file, get the scan information.'''
    values = [float(x) for x in open(xparm_file).read().split()]
    assert(len(values) == 42)
    img_start = values[0]
    osc_start = values[1]
    osc_range = values[2]
    return img_start, osc_start, osc_range