def update(self):
""" Updates the buffer and plot if there are new chunks available. """
# pull all available chunks
c, t = self.inlet.pull_chunk(timeout=0.0)
new_c = []
new_t = []
while c:
new_c += c
new_t += t
c, t = self.inlet.pull_chunk(timeout=0.0)
# add samples to buffer
if any(new_c):
# add samples
data_v = [item for sublist in new_c for item in sublist]
self.gbuffer = np.roll(self.gbuffer, -len(data_v))
self.gbuffer[-len(data_v) :] = data_v
# add timestamps
if new_t:
self.gtimes = np.roll(self.gtimes, -len(new_t))
self.gtimes[-len(new_t) :] = new_t
# update graph handles
if self.gbuffer.any():
for k in range(0, self.channel_count):
self.handles[k].setData(self.gtimes, self.gbuffer[k :: self.channel_count])
def update(self):
""" Updates the buffer and plot if there are new chunks available. """
# pull all available chunks
c, t = self.inlet.pull_chunk(timeout=0.0)
new_c = []
new_t = []
while c:
new_c += c
new_t += t
c, t = self.inlet.pull_chunk(timeout=0.0)
# add samples to buffer
if any(new_c):
# add samples
data_v = [item for sublist in new_c for item in sublist]
self.gbuffer = np.roll(self.gbuffer, -len(data_v))
self.gbuffer[-len(data_v):] = data_v
# add timestamps
if new_t:
self.gtimes = np.roll(self.gtimes, -len(new_t))
self.gtimes[-len(new_t):] = new_t
# update graph handles
if self.gbuffer.any():
for k in range(0, self.channel_count):
self.handles[k].setData(self.gtimes,
self.gbuffer[k::self.channel_count])
def fill_buffer(self):
""" Fill buffer before starting the grapher. """
num_of_smp = 0
while num_of_smp < self.buf_size:
c, t = self.inlet.pull_chunk(timeout=0.0)
new_c = []
new_t = []
while c:
new_c += c
new_t += t
c, t = self.inlet.pull_chunk(timeout=0.0)
# add samples to buffer
if any(new_c):
# add samples
num_of_smp += len(new_c)
data_v = [item for sublist in new_c for item in sublist]
self.gbuffer = np.roll(self.gbuffer, -len(data_v))
self.gbuffer[-len(data_v) :] = data_v
# add timestamps
if new_t:
self.gtimes = np.roll(self.gtimes, -len(new_t))
self.gtimes[-len(new_t) :] = new_t
def fill_buffer(self):
""" Fill buffer before starting the grapher. """
num_of_smp = 0
while num_of_smp < self.buf_size:
c, t = self.inlet.pull_chunk(timeout=0.0)
new_c = []
new_t = []
while c:
new_c += c
new_t += t
c, t = self.inlet.pull_chunk(timeout=0.0)
# add samples to buffer
if any(new_c):
# add samples
num_of_smp += len(new_c)
data_v = [item for sublist in new_c for item in sublist]
self.gbuffer = np.roll(self.gbuffer, -len(data_v))
self.gbuffer[-len(data_v):] = data_v
# add timestamps
if new_t:
self.gtimes = np.roll(self.gtimes, -len(new_t))
self.gtimes[-len(new_t):] = new_t
