gps.py 文件源码

def _block2df(block,obstypes,svnames,svnum):
    """
    input: block of text corresponding to one time increment INTERVAL of RINEX file
    output: 2-D array of float64 data from block. Future: consider whether best to use Numpy, Pandas, or Xray.
    """
    nobs = len(obstypes)
    stride=3

    strio = BytesIO(block.encode())
    barr = np.genfromtxt(strio, delimiter=(14,1,1)*5).reshape((svnum,-1), order='C')

    data = barr[:,0:nobs*stride:stride]
    lli  = barr[:,1:nobs*stride:stride]
    ssi  = barr[:,2:nobs*stride:stride]

    data = np.vstack(([data.T],[lli.T],[ssi.T])).T

    return data