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applets: add data length warning message for plot_xy (#1722)

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Star Chen 2021-07-19 15:14:15 +08:00 committed by GitHub
parent e996b5f635
commit 943a95e07a
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1 changed files with 29 additions and 3 deletions
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32
artiq/applets/plot_xy.py
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@ -2,6 +2,7 @@
import numpy as np
import PyQt5 # make sure pyqtgraph imports Qt5
from PyQt5.QtCore import QTimer
import pyqtgraph
from artiq.applets.simple import TitleApplet
@ -11,6 +12,12 @@ class XYPlot(pyqtgraph.PlotWidget):
def __init__(self, args):
pyqtgraph.PlotWidget.__init__(self)
self.args = args
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.length_warning)
self.mismatch = {'X values': False,
'Error bars': False,
'Fit values': False}
def data_changed(self, data, mods, title):
try:
@ -24,17 +31,29 @@ class XYPlot(pyqtgraph.PlotWidget):
fit = data.get(self.args.fit, (False, None))[1]
if not len(y) or len(y) != len(x):
return
self.mismatch['X values'] = True
else:
self.mismatch['X values'] = False
if error is not None and hasattr(error, "__len__"):
if not len(error):
error = None
elif len(error) != len(y):
return
self.mismatch['Error bars'] = True
else:
self.mismatch['Error bars'] = False
if fit is not None:
if not len(fit):
fit = None
elif len(fit) != len(y):
return
self.mismatch['Fit values'] = True
else:
self.mismatch['Fit values'] = False
if not any(self.mismatch.values()):
self.timer.stop()
else:
if not self.timer.isActive():
self.timer.start(1000)
return
self.clear()
self.plot(x, y, pen=None, symbol="x")
@ -50,6 +69,13 @@ class XYPlot(pyqtgraph.PlotWidget):
xi = np.argsort(x)
self.plot(x[xi], fit[xi])
def length_warning(self):
self.clear()
text = "⚠️ dataset lengths mismatch:\n"
errors = ', '.join([k for k, v in self.mismatch.items() if v])
text = ' '.join([errors, "should have the same length as Y values"])
self.addItem(pyqtgraph.TextItem(text))
def main():
applet = TitleApplet(XYPlot)