38 lines
599 B
Python
Executable File
38 lines
599 B
Python
Executable File
#!/usr/bin/env python
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("pvname")
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parser.add_argument("height", type=int)
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parser.add_argument("width", type=int)
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clargs = parser.parse_args()
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from matplotlib import pyplot as plt
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from epics import PV
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pvname = clargs.pvname
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height = clargs.height
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width = clargs.width
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pv = PV(pvname)
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img = pv.value.reshape(height, width)
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fig, ax = plt.subplots()
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isp = plt.imshow(img)
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def update(value=None, **kwargs):
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img = value.reshape(height, width)
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isp.set_array(img)
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plt.draw()
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pv.add_callback(update)
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plt.show()
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