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applets: add length warning message on plot for plot_xy_hist and fix bug (#1725)

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Star Chen 2021-07-19 15:45:48 +08:00 committed by GitHub
parent 943a95e07a
commit ebb67eaeee
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1 changed files with 49 additions and 5 deletions
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54
artiq/applets/plot_xy_hist.py
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@ -2,6 +2,7 @@
import numpy as np
from PyQt5 import QtWidgets
from PyQt5.QtCore import QTimer
import pyqtgraph
from artiq.applets.simple import SimpleApplet
@ -37,6 +38,10 @@ class XYHistPlot(QtWidgets.QSplitter):
self.hist_plot_data = None
self.args = args
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.length_warning)
self.mismatch = {'bins': False, 'xs': False}
def _set_full_data(self, xs, histogram_bins, histograms_counts):
self.xy_plot.clear()
@ -59,9 +64,9 @@ class XYHistPlot(QtWidgets.QSplitter):
point.histogram_index = index
point.histogram_counts = counts
self.hist_plot_data = self.hist_plot.plot(
stepMode=True, fillLevel=0,
brush=(0, 0, 255, 150))
text = "click on a data point at the left\n"\
"to see the corresponding histogram"
self.hist_plot.addItem(pyqtgraph.TextItem(text))
def _set_partial_data(self, xs, histograms_counts):
ys = _compute_ys(self.histogram_bins, histograms_counts)
@ -87,8 +92,17 @@ class XYHistPlot(QtWidgets.QSplitter):
else:
self.arrow.setPos(position)
self.selected_index = spot_item.histogram_index
self.hist_plot_data.setData(x=self.histogram_bins,
y=spot_item.histogram_counts)
if self.hist_plot_data is None:
self.hist_plot.clear()
self.hist_plot_data = self.hist_plot.plot(
x=self.histogram_bins,
y=spot_item.histogram_counts,
stepMode=True, fillLevel=0,
brush=(0, 0, 255, 150))
else:
self.hist_plot_data.setData(x=self.histogram_bins,
y=spot_item.histogram_counts)
def _can_use_partial(self, mods):
if self.hist_plot_data is None:
@ -117,11 +131,41 @@ class XYHistPlot(QtWidgets.QSplitter):
histograms_counts = data[self.args.histograms_counts][1]
except KeyError:
return
if len(xs) != histograms_counts.shape[0]:
self.mismatch['xs'] = True
else:
self.mismatch['xs'] = False
if histograms_counts.shape[1] != len(histogram_bins) - 1:
self.mismatch['bins'] = True
else:
self.mismatch['bins'] = False
if any(self.mismatch.values()):
if not self.timer.isActive():
self.timer.start(1000)
return
else:
self.timer.stop()
if self._can_use_partial(mods):
self._set_partial_data(xs, histograms_counts)
else:
self._set_full_data(xs, histogram_bins, histograms_counts)
def length_warning(self):
self.xy_plot.clear()
self.hist_plot.clear()
text = "⚠️ dataset lengths mismatch:\n\n"
if self.mismatch['bins']:
text = ''.join([text,
"bin boundaries should have the same length\n"
"as the first dimension of histogram counts."])
if self.mismatch['bins'] and self.mismatch['xs']:
text = ''.join([text, '\n\n'])
if self.mismatch['xs']:
text = ''.join([text,
"point abscissas should have the same length\n"
"as the second dimension of histogram counts."])
self.xy_plot.addItem(pyqtgraph.TextItem(text))
def main():
applet = SimpleApplet(XYHistPlot)