def set_value(self, value, block_fit=False):
for line in self.lines:
with pg.SignalBlock(line.sigPositionChanged, self.line_sync):
line.setValue(value or 1e-3)
self.sigPositionChanged.emit(self)
if block_fit is False:
self.sigPositionChangeFinished.emit(self)
def update_params(self):
with pg.SignalBlock(self.params.sigTreeStateChanged, self.plot_all):
stim_param = self.params.child('stimulus filter')
for ch in stim_param.children():
stim_param.removeChild(ch)
for k in self.stim_keys:
param = pg.parametertree.Parameter.create(name=str(k),
type="bool",
value="True")
stim_param.addChild(param)
def _update_fit_stats(self):
with pg.SignalBlock(self.params.sigTreeStateChanged, self.update_plots):
self.params['chi squared'] = self.fit.chisqr
args = self.args.copy()
args.update(self.fit_params())
fity = self.model.eval(y=self.data, **args)
residual = self.data - fity
rmse = (residual**2 / residual.size).sum() ** 0.5
self.params['normalized RMS error'] = rmse / self.data.std()
r, p = scipy.stats.pearsonr(self.data, fity)
self.params['pearson r'] = r
self.params['pearson p'] = p
def axis_changed(self):
with pg.SignalBlock(self.child('colors').sigTreeStateChanged, self.colors_changed):
if self['axis'] == 'none':
self.child('mode').setOpts(visible=False)
self.child('colors').setOpts(visible=False)
else:
self.child('mode').setOpts(visible=True)
self.child('colors').setOpts(visible=True)
values = self.slicer.axes[self['axis']].values
for ch in self.child('colors').children():
self.child('colors').removeChild(ch)
for i,v in enumerate(values):
color = pg.mkColor((i, int(len(values)*1.2)))
ch = pg.parametertree.types.SimpleParameter(name=str(v), type='color', value=color)
self.child('colors').addChild(ch)
self.colors_changed()
def line_sync(self, moved_line):
for line in self.lines:
with pg.SignalBlock(line.sigPositionChanged, self.line_sync):
line.setValue(moved_line.value())
self.sigPositionChanged.emit(self)
def update_selection(self):
axis = self.selected_axes[0]
with pg.SignalBlock(self.line.sigPositionChangeFinished,
self.line_move_finished):
self.line.setValue(self.data_axes[axis].index)
Viewer.update_selection(self)
def _set_axis_value(self, ax, val):
with pg.SignalBlock(
self.params.child('index').sigTreeStateChanged,
self.index_param_changed):
self.params['index', ax] = self.axes[ax].index_at(val)
self.axes[ax].selection = val
def update_selection(self):
for i,line in enumerate(self.lines):
ax = self.selected_axes[i]
with pg.SignalBlock(line.sigPositionChangeFinished, self.line_move_finished):
line.setValue(self.data_axes[ax].index)
Viewer.update_selection(self)
