artiq/artiq/applets/plot_hist.py

41 lines
1020 B
Python
Executable File

#!/usr/bin/env python3.5
import PyQt5 # make sure pyqtgraph imports Qt5
import pyqtgraph
from artiq.applets.simple import TitleApplet
class HistogramPlot(pyqtgraph.PlotWidget):
def __init__(self, args):
pyqtgraph.PlotWidget.__init__(self)
self.args = args
def data_changed(self, data, mods, title):
try:
y = data[self.args.y][1]
if self.args.x is None:
x = None
else:
x = data[self.args.x][1]
except KeyError:
return
if x is None:
x = list(range(len(y)+1))
if len(y) and len(x) == len(y) + 1:
self.clear()
self.plot(x, y, stepMode=True, fillLevel=0,
brush=(0, 0, 255, 150))
self.setTitle(title)
def main():
applet = TitleApplet(HistogramPlot)
applet.add_dataset("y", "Y values")
applet.add_dataset("x", "Bin boundaries", required=False)
applet.run()
if __name__ == "__main__":
main()