Пример #1
0
def writeSAC(stream, filename, **kwargs):  # @UnusedVariable
    """
    Writes a SAC file.

    .. warning::
        This function should NOT be called directly, it registers via the
        the :meth:`~obspy.core.stream.Stream.write` method of an
        ObsPy :class:`~obspy.core.stream.Stream` object, call this instead.

    :type stream: :class:`~obspy.core.stream.Stream`
    :param stream: The ObsPy Stream object to write.
    :type filename: str
    :param filename: Name of file to write.

    .. rubric:: Example

    >>> from obspy import read
    >>> st = read()
    >>> st.write("test.sac", format="SAC")  #doctest: +SKIP
    """
    # Translate the common (renamed) entries
    base, ext = os.path.splitext(filename)
    for i, trace in enumerate(stream):
        t = SacIO(trace)
        if len(stream) != 1:
            filename = "%s%02d%s" % (base, i + 1, ext)
        t.WriteSacBinary(filename)
    return
Пример #2
0
def writeSAC(stream, filename, byteorder="<", **kwargs):  # @UnusedVariable
    """
    Writes a SAC file.

    .. warning::
        This function should NOT be called directly, it registers via the
        the :meth:`~obspy.core.stream.Stream.write` method of an
        ObsPy :class:`~obspy.core.stream.Stream` object, call this instead.

    :type stream: :class:`~obspy.core.stream.Stream`
    :param stream: The ObsPy Stream object to write.
    :type filename: str
    :param filename: Name of file to write.
    :type byteorder: int or str, optional
    :param byteorder: Must be either ``0`` or ``'<'`` for LSBF or
        little-endian, ``1`` or ``'>'`` for MSBF or big-endian.
        Defaults to little endian.

    .. rubric:: Example

    >>> from obspy import read
    >>> st = read()
    >>> st.write("test.sac", format="SAC")  #doctest: +SKIP
    """
    if byteorder in ("<", 0, "0"):
        byteorder = 0
    elif byteorder in (">", 1, "1"):
        byteorder = 1
    else:
        msg = "Invalid byte order. It must be either '<', '>', 0 or 1"
        raise ValueError(msg)

    # Translate the common (renamed) entries
    base, ext = os.path.splitext(filename)
    for i, trace in enumerate(stream):
        t = SacIO(trace)
        if len(stream) != 1:
            filename = "%s%02d%s" % (base, i + 1, ext)
        if (byteorder == 1 and t.byteorder == 'little') or \
           (byteorder == 0 and t.byteorder == 'big'):
            t.swap_byte_order()
        t.WriteSacBinary(filename)
    return