forked from awendt/pyrelacs
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import pyqtgraph as pg
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from PyQt6.QtCore import QTimer
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from pyrelacs.dataio.circbuffer import CircBuffer
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from pyrelacs.util.logging import config_logging
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log = config_logging()
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class Continously:
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def __init__(self, figure: pg.GraphicsLayoutWidget, buffer: CircBuffer):
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self.figure = figure
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self.buffer = buffer
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def plot_daq(self, *args, **kwargs):
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self.figure.setBackground("w")
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self.daq_plot = self.figure.addPlot(row=0, col=0)
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self.time = list(range(10))
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pen = pg.mkPen("red")
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self.data = list(range(10))
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self.line = self.daq_plot.plot(self.time, self.data, pen=pen)
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self.item = 0
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self.timer = QTimer()
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self.timer.setInterval(1)
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self.timer.timeout.connect(self.update_plot)
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self.timer.start()
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def update_plot(self):
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if self.buffer.totalcount() > 100:
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if self.buffer.write_index() > self.item:
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self.time = self.time[1:]
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self.time.append(self.time[-1] + 1)
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self.data = self.data[1:]
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item = self.buffer.get(self.item)
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self.data.append(item)
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self.line.setData(self.time, self.data)
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self.item += 1
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else:
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pass
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