def _create_barplots(self):
# Get the size of each individual bin
bin_width = self.bar_width / self.nbvars
barplots = []
for (i, v) in zip(self.indices, self.values):
index = ArrayDataSource(i)
index_range = DataRange1D(index,
low= -0.5,
high=self.nbdata + 0.5,
tight_bounds=True)
index_mapper = LinearMapper(range=index_range)
#
value = ArrayDataSource(v)
value_range = DataRange1D(value, tight_bounds=True)
value_mapper = LinearMapper(range=value_range)
barplot = BarPlot(index=index,
index_mapper=index_mapper,
value=value,
value_mapper=value_mapper,
line_color=0x111111,
labels=self.labels,
bar_width=bin_width,
antialias=True)
barplot.padding = 30
barplots.append(barplot)
self.barplots = barplots
return barplots
def __init__(self, link):
super(TrackingView, self).__init__()
self.link = link
self.link.add_callback(MSG_TRACKING_SNRS, self.tracking_snrs_callback)
# ======= Line Plot =======
self.plot_data = ArrayPlotData(t=[0.0])
self.plot = Plot(self.plot_data, auto_colors=colours_list)
self.plot.value_range.tight_bounds = False
self.plot.value_range.low_setting = 0.0
for n in range(TRACK_N_CHANNELS):
self.plot_data.set_data('ch'+str(n), [0.0])
self.plot.plot(('t', 'ch'+str(n)), type='line', color='auto')
# ======= Bar Plot =======
idxs = ArrayDataSource(range(1, len(self.snrs)+1))
self.vals = ArrayDataSource(self.snrs, sort_order='none')
# Create the index range
index_range = DataRange1D(idxs, low=0.4, high=TRACK_N_CHANNELS+0.6)
index_mapper = LinearMapper(range=index_range)
# Create the value range
value_range = DataRange1D(low=0.0, high=25.0)
value_mapper = LinearMapper(range=value_range)
plot = BarPlot(index=idxs, value=self.vals,
index_mapper=index_mapper, value_mapper=value_mapper,
line_color='blue', fill_color='blue', bar_width=0.8)
container = OverlayPlotContainer(bgcolor = "white")
plot.padding = 10
plot.padding_left = 30
plot.padding_bottom = 30
container.add(plot)
left_axis = PlotAxis(plot, orientation='left')
bottom_axis = LabelAxis(plot, orientation='bottom',
labels = map(str, range(1, TRACK_N_CHANNELS+1)),
positions = range(1, TRACK_N_CHANNELS+1),
small_haxis_style=True)
plot.underlays.append(left_axis)
plot.underlays.append(bottom_axis)
self.snr_bars = container
self.python_console_cmds = {
'track': self
}