def _add_channels_results_time(self, channels, query_data):
try:
time_data_values = query_data['Interval']
for channel in channels:
chart = self.ids.chart
channel_data_values = query_data[channel]
channel_data = channel_data_values.values
# If we queried a channel that has no sample results, skip adding the plot
if len(channel_data) == 0 or channel_data[0] is None:
continue
key = channel_data_values.channel + str(
channel_data_values.source)
plot = SmoothLinePlot(color=self.color_sequence.get_color(key))
channel_plot = ChannelPlot(plot, channel_data_values.channel,
channel_data_values.min,
channel_data_values.max,
channel_data_values.source)
chart.add_plot(plot)
points = []
time_index = OrderedDict()
sample_index = 0
time_data = time_data_values.values
sample_count = len(time_data)
interval = max(1,
int(sample_count / self.MAX_SAMPLES_TO_DISPLAY))
Logger.info('LineChart: plot interval {}'.format(interval))
last_time = None
time = 0
last_time = time_data[0]
while sample_index < sample_count:
current_time = time_data[sample_index]
if last_time > current_time:
Logger.warn(
'LineChart: interruption in interval channel, possible reset in data stream ({}->{})'
.format(last_time, current_time))
last_time = current_time
sample = channel_data[sample_index]
time += current_time - last_time
last_time = current_time
points.append((time, sample))
time_index[time] = sample_index
sample_index += interval
channel_plot.chart_x_index = time_index
plot.ymin = channel_data_values.min
plot.ymax = channel_data_values.max
plot.points = points
self._channel_plots[str(channel_plot)] = channel_plot
# sync max chart x dimension
self._update_max_chart_x()
self._update_x_marker_value()
finally:
ProgressSpinner.decrement_refcount()
def _add_channels_results_distance(self, channels, query_data):
try:
distance_data_values = query_data['Distance']
for channel in channels:
chart = self.ids.chart
channel_data_values = query_data[channel]
key = channel_data_values.channel + str(
channel_data_values.source)
plot = SmoothLinePlot(color=self.color_sequence.get_color(key))
channel_plot = ChannelPlot(plot, channel_data_values.channel,
channel_data_values.min,
channel_data_values.max,
channel_data_values.source)
chart.add_plot(plot)
points = []
distance_index = OrderedDict()
sample_index = 0
distance_data = distance_data_values.values
channel_data = channel_data_values.values
sample_count = len(distance_data)
interval = max(1,
int(sample_count / self.MAX_SAMPLES_TO_DISPLAY))
Logger.info('LineChart: plot interval {}'.format(interval))
while sample_index < sample_count:
sample = channel_data[sample_index]
distance = distance_data[sample_index]
points.append((distance, sample))
distance_index[distance] = sample_index
sample_index += interval
channel_plot.chart_x_index = distance_index
plot.ymin = channel_data_values.min
plot.ymax = channel_data_values.max
plot.points = points
self._channel_plots[str(channel_plot)] = channel_plot
# sync max chart distances
self._update_max_chart_x()
self._update_x_marker_value()
finally:
ProgressSpinner.decrement_refcount()
def _add_channels_results(self, channels, query_data):
try:
distance_data_values = query_data['Distance']
for channel in channels:
chart = self.ids.chart
channel_data_values = query_data[channel]
key = channel_data_values.channel + str(
channel_data_values.source)
plot = SmoothLinePlot(color=self.color_sequence.get_color(key))
channel_plot = ChannelPlot(plot, channel_data_values.channel,
channel_data_values.min,
channel_data_values.max,
channel_data_values.source)
chart.add_plot(plot)
points = []
distance_index = OrderedDict()
sample_index = 0
distance_data = distance_data_values.values
channel_data = channel_data_values.values
for sample in channel_data:
distance = distance_data[sample_index]
points.append((distance, sample))
distance_index[distance] = sample_index
sample_index += 1
channel_plot.distance_index = distance_index
channel_plot.samples = sample_index
plot.ymin = channel_data_values.min
plot.ymax = channel_data_values.max
plot.points = points
self._channel_plots[str(channel_plot)] = channel_plot
#sync max chart distances
self._update_max_distance()
finally:
ProgressSpinner.decrement_refcount()
