ShowTrace.py 文件源码

def read_file_to_np(self, file_name):
        datatype =  [('time',np.float32), ('ax',np.int16), ('ay',np.int16), ('az',np.int16),
                            ('gx',np.int16), ('gy',np.int16), ('gz',np.int16),
                            ('mx',np.int16), ('my',np.int16), ('mz',np.int16),
                            ('time_diff', np.float32)]

        data = np.genfromtxt(file_name, dtype=datatype, delimiter="\t")

        data['time'] = data['time']-data['time'][0]

        a = np.diff(data['time'])
        time_diff_array = np.insert(a, 0, 0)
        data['time_diff'] = time_diff_array


        # ?????
        data['mx'] = data['mx'] * 1.18359375
        data['my'] = data['my'] * 1.19140625
        data['mz'] = data['mz'] * 1.14453125

        return data