def initialize(self):
"""initialize the data handling stuff"""
# check for status
if self._initialized:
self.finalize()
# initialize members
self._io = NTrodeDataInterface(**self.io_params)
self._io.initialize()
# connections
self._io.sig_new_data.connect(self.on_new_data)
self._io.sig_update_pos.connect(self.on_pos)
self.posi_btn_go.clicked.connect(self.on_move)
self.posi_btn_request.clicked.connect(self.on_request)
self.posi_slider_target.valueChanged.connect(self.on_target_slider)
# initialize flags
self._initialized = True
def initialize(self):
"""initialize the data handling stuff"""
# check for status
if self._initialized:
self.finalize()
# initialize members
self._io = NTrodeDataInterface(**self.io_params)
self._io.initialize()
# connections
self._io.sig_new_data.connect(self.on_new_data)
self._io.sig_update_pos.connect(self.on_pos)
self.posi_btn_go.clicked.connect(self.on_move)
self.posi_btn_request.clicked.connect(self.on_request)
self.posi_slider_target.valueChanged.connect(self.on_target_slider)
# initialize flags
self._initialized = True
class MinimalClient(QtGui.QMainWindow, Ui_MultiElectrodeClient):
"""control widget for a recorder (tetrode)"""
## constructor
def __init__(
self,
parent=None,
# io object parameters
cnklen=0.25,
addr=('localhost', 31337),
# ntrode plot parameters
axis_range=1.0,
do_plotting=True,
# keyword arguments
**kwargs):
"""
:Parameters:
parent : QWidget
The QT parent of the GUI elements.
cnklen : float
The internal buffer size. Defines the amount/size of data that
is buffered, analyzed and displayed to the screen in one cycle.
Default=0.25
addr : tuple
A tuple of (host,port) defining where to reach the server.
Default=('localhost',31337)
axis_range : float
Amplitude axis_range of the displayed data plot[-axis_range,+axis_range].
Default=1.0
do_plotting : bool
if true, plot the raw signal, set this to false and call
self.dataplot.set_data() in subclasses.
Default=True
kwargs : dict
Additional keywords.
"""
# GUI SETUP
super(MinimalClient, self).__init__(parent)
self.setupUi(self)
# remove the first toolbox widget
wid = self.toolBox.widget(0)
self.toolBox.removeItem(0)
wid.deleteLater()
# add ntrode plot widget
self.dataplot = NTrodePlot(nchan=4, axis_range=axis_range, replot=True)
self.toolBox.addItem(self.dataplot, 'MultiElectrode DataPlot')
# IO SETUP
self.io_params = {
'cnklen': cnklen,
'addr': addr,
}
self._io = None
# OTHER SETUP
self.chunk = None
self._initialized = False
self.do_plotting = do_plotting
## gui methods
def closeEvent(self, ev):
"""close event"""
self.finalize()
## methods internal
def initialize(self):
"""initialize the data handling stuff"""
# check for status
if self._initialized:
self.finalize()
# initialize members
self._io = NTrodeDataInterface(**self.io_params)
self._io.initialize()
# connections
self._io.sig_new_data.connect(self.on_new_data)
self._io.sig_update_pos.connect(self.on_pos)
self.posi_btn_go.clicked.connect(self.on_move)
self.posi_btn_request.clicked.connect(self.on_request)
self.posi_slider_target.valueChanged.connect(self.on_target_slider)
# initialize flags
self._initialized = True
def finalize(self):
"""clean up the positioning algo"""
# shutdown members
if self._io is not None:
self._io.finalize()
self._io.deleteLater()
self._io = None
# reset flags
self._initialized = False
## slots
@QtCore.pyqtSlot(ChunkContainer)
def on_new_data(self, chunk):
"""slot to fetch newly available chunk"""
try:
# save chunk
self.chunk = chunk
noise = chunk.noise
# selection: noise
if 0 not in self._io._config:
signal = N.zeros_like(noise)
else:
signal = noise.copy()
# selection waveforms
if 1 in self._io._config:
signal += chunk.waveform
# selection: groundtruth
gtrth = {}
if 2 in self._io._config:
for ident in chunk.units:
temp = []
for item in chunk.units[ident]['gt_buf']:
if item[3] == 0:
temp.append(item[1])
if len(temp) > 0:
gtrth[ident] = N.asarray(temp)
# handle chunk
self.handle_data(signal, noise, gtrth)
# update dataplot
if self.do_plotting:
self.dataplot.set_data(signal)
except Exception, ex:
print str(ex)
class MinimalClient(QtGui.QMainWindow, Ui_MultiElectrodeClient):
"""control widget for a recorder (tetrode)"""
## constructor
def __init__(
self,
parent=None,
# io object parameters
cnklen=0.25,
addr=('localhost', 31337),
# ntrode plot parameters
axis_range=1.0,
do_plotting=True,
# keyword arguments
** kwargs
):
"""
:Parameters:
parent : QWidget
The QT parent of the GUI elements.
cnklen : float
The internal buffer size. Defines the amount/size of data that
is buffered, analyzed and displayed to the screen in one cycle.
Default=0.25
addr : tuple
A tuple of (host,port) defining where to reach the server.
Default=('localhost',31337)
axis_range : float
Amplitude axis_range of the displayed data plot[-axis_range,+axis_range].
Default=1.0
do_plotting : bool
if true, plot the raw signal, set this to false and call
self.dataplot.set_data() in subclasses.
Default=True
kwargs : dict
Additional keywords.
"""
# GUI SETUP
super(MinimalClient, self).__init__(parent)
self.setupUi(self)
# remove the first toolbox widget
wid = self.toolBox.widget(0)
self.toolBox.removeItem(0)
wid.deleteLater()
# add ntrode plot widget
self.dataplot = NTrodePlot(
nchan=4,
axis_range=axis_range,
replot=True
)
self.toolBox.addItem(self.dataplot, 'MultiElectrode DataPlot')
# IO SETUP
self.io_params = {
'cnklen' : cnklen,
'addr' : addr,
}
self._io = None
# OTHER SETUP
self.chunk = None
self._initialized = False
self.do_plotting = do_plotting
## gui methods
def closeEvent(self, ev):
"""close event"""
self.finalize()
## methods internal
def initialize(self):
"""initialize the data handling stuff"""
# check for status
if self._initialized:
self.finalize()
# initialize members
self._io = NTrodeDataInterface(**self.io_params)
self._io.initialize()
# connections
self._io.sig_new_data.connect(self.on_new_data)
self._io.sig_update_pos.connect(self.on_pos)
self.posi_btn_go.clicked.connect(self.on_move)
self.posi_btn_request.clicked.connect(self.on_request)
self.posi_slider_target.valueChanged.connect(self.on_target_slider)
# initialize flags
self._initialized = True
def finalize(self):
"""clean up the positioning algo"""
# shutdown members
if self._io is not None:
self._io.finalize()
self._io.deleteLater()
self._io = None
# reset flags
self._initialized = False
## slots
@QtCore.pyqtSlot(ChunkContainer)
def on_new_data(self, chunk):
"""slot to fetch newly available chunk"""
try:
# save chunk
self.chunk = chunk
noise = chunk.noise
# selection: noise
if 0 not in self._io._config:
signal = N.zeros_like(noise)
else:
signal = noise.copy()
# selection waveforms
if 1 in self._io._config:
signal += chunk.waveform
# selection: groundtruth
gtrth = {}
if 2 in self._io._config:
for ident in chunk.units:
temp = []
for item in chunk.units[ident]['gt_buf']:
if item[3] == 0:
temp.append(item[1])
if len(temp) > 0:
gtrth[ident] = N.asarray(temp)
# handle chunk
self.handle_data(signal, noise, gtrth)
# update dataplot
if self.do_plotting:
self.dataplot.set_data(signal)
except Exception, ex:
print str(ex)