def _findbytime(self, t, cache=False):
if t < self._times[0]:
raise IndexError('time before beginning of data')
filenum = find_index(self._times, t)
times = self._read_frame_time(filenum, cache=cache)
if t > times[-1]:
raise IndexError('time after end of data')
framenum = find_index(times, t)
return filenum, framenum
def find_pulse(time, times, files):
if time < times[0]:
raise IndexError('time before beginning of data')
fnum = find_index(times, time)
with h5py.File(files[fnum], 'r') as f:
t = read_frame_time(f)
if time > t[-1]:
raise IndexError('time after end of data')
pnum = find_index(t, time)
return fnum, pnum
def _findbyframe(self, f):
if (f < 0) or (f > self.shape[0]):
raise IndexError('frame index out of range')
filenum = find_index(self._framenums, f)
framenum = f - self._framenums[filenum]
return filenum, framenum
