def test_obspy_scanner(self):
scanner = Scanner("MSEED")
scanner.parse(TestMseed.root_path)
print(scanner.data.keys())
print(scanner.data)
scanner.analyze_parsed_data(True)
scanner.plot()
def data_coverage(paths=[],
starttime=None,
endtime=None,
scale=lambda x: x,
invalid_value=0.0):
"""
Calculates the datacoverage percentage between ``starttime`` and
``endtime``.
See :class:`~obspy.imaging.scripts.scan.Scanner` and
:meth:`~obspy.imaging.scripts.scan.Scanner.analyze_parsed_data`
for more information.
:type paths: list
:param paths: list of filepaths (as string values)
to the datefiles to be scanned
:type starttime: :class:`~obspy.core.utcdatetime.UTCDateTime`
:param starttime:
:type endtime: :class:`~obspy.core.utcdatetime.UTCDateTime`
:param endtime:
:type scale: func, optional
:param scale: defaults to identity function,
scaling function applied to data values
:type invalid_value: float, optional
:param invalid_value: default to ``0.0``
:rtype: list or None
:return: list of lists containing timestamp (as
:class:`~obspy.core.utcdatetime.UTCDateTime` instance), data value,
and additional z value as string.
"""
if starttime is None or endtime is None:
return None
if starttime > endtime:
starttime, endtime = endtime, starttime
st0 = Stream()
for path in paths:
st = fileutils.get_stream(path)
if st is None:
continue
st0 += st
percentage = invalid_value
# Arbitrary z_value as string following python dictionary syntax
z_value = "{{'starttime':'{}'}}".format(str(starttime))
if len(st0) > 0:
scanner = Scanner()
scanner.add_stream(st0)
scanner.analyze_parsed_data(starttime=starttime, endtime=endtime)
percentage = scanner._info[st0[0].id]['percentage']
percentage = invalid_value if percentage is None else percentage
percentage = scale(percentage)
return [[endtime, percentage, z_value]]
