mirror of https://github.com/m-labs/artiq.git
64 lines
1.9 KiB
Python
Executable File
64 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import numpy as np
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import PyQt5 # make sure pyqtgraph imports Qt5
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import pyqtgraph
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from artiq.applets.simple import TitleApplet
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class XYPlot(pyqtgraph.PlotWidget):
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def __init__(self, args):
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pyqtgraph.PlotWidget.__init__(self)
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self.args = args
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def data_changed(self, data, mods, title):
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try:
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y = data[self.args.y][1]
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except KeyError:
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return
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x = data.get(self.args.x, (False, None))[1]
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if x is None:
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x = np.arange(len(y))
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error = data.get(self.args.error, (False, None))[1]
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fit = data.get(self.args.fit, (False, None))[1]
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if not len(y) or len(y) != len(x):
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return
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if error is not None and hasattr(error, "__len__"):
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if not len(error):
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error = None
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elif len(error) != len(y):
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return
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if fit is not None:
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if not len(fit):
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fit = None
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elif len(fit) != len(y):
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return
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self.clear()
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self.plot(x, y, pen=None, symbol="x")
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self.setTitle(title)
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if error is not None:
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# See https://github.com/pyqtgraph/pyqtgraph/issues/211
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if hasattr(error, "__len__") and not isinstance(error, np.ndarray):
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error = np.array(error)
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errbars = pyqtgraph.ErrorBarItem(
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x=np.array(x), y=np.array(y), height=error)
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self.addItem(errbars)
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if fit is not None:
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xi = np.argsort(x)
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self.plot(x[xi], fit[xi])
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def main():
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applet = TitleApplet(XYPlot)
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applet.add_dataset("y", "Y values")
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applet.add_dataset("x", "X values", required=False)
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applet.add_dataset("error", "Error bars for each X value", required=False)
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applet.add_dataset("fit", "Fit values for each X value", required=False)
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applet.run()
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if __name__ == "__main__":
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main()
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