def sum_over(self, y, x, l):
if self._y is None:
self._y = RingBuffer(1)
self._x = RingBuffer(1)
self._l = RingBufferStr(1)
self._x.append(x)
self._y.append(y.astype('f8'))
self._l.append(l)
self._num = 1.
self._y._data[0] = y
else:
self._num += 1.
self._y._data[0] = self._y._data[0] * (self._num-1)/self._num + y/self._num
def append(self, y, x, l):
"""Append the new data to the ringbuffers"""
if(self._y is None):
if(isinstance(y, numpy.ndarray)):
# Make sure the image ringbuffers don't take more than
# 200 MBs. The factor of 2 takes into account the fact
# that the buffer is twice as big as its usable size
self._maxlen = max(1, min(self._maxlen, 1024*1024*200/(2*y.nbytes)))
self._y = RingBuffer(self._maxlen)
if(self._x is None):
self._x = RingBuffer(self._maxlen)
if(self._l is None):
self._l = RingBufferStr(self._maxlen)
self._y.append(y)
self._x.append(x)
self._l.append(l)
