mirror of
https://github.com/bec-project/bec_widgets.git
synced 2026-04-29 19:42:29 +02:00
wyzula-jan
114 lines
2.8 KiB
Python
114 lines
2.8 KiB
Python
# import simulation_progress as SP
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import numpy as np
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import pyqtgraph as pg
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from PyQt5.QtCore import pyqtSlot, pyqtSignal
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from PyQt5.QtWidgets import (
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QApplication,
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QVBoxLayout,
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QLabel,
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QWidget,
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QProgressBar,
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QPushButton,
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)
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from bec_lib.core import MessageEndpoints, RedisConnector, BECMessage
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class StreamApp(QWidget):
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update_plot = pyqtSignal()
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def __init__(self):
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super().__init__()
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# Create layout and add widgets
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self.layout = QVBoxLayout()
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self.setLayout(self.layout)
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# Create plot
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self.plot_widget = pg.PlotWidget(title="2D plot for mcs data")
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self.image_item = pg.ImageItem()
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self.label_id = pg.LabelItem(justify="left")
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self.plot_widget.addItem(self.label_id)
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self.plot_widget.addItem(self.image_item)
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# Add widgets to the layout
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self.layout.addWidget(self.plot_widget)
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self.stream_consumer = connector.stream_consumer(
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topics=MessageEndpoints.device_async_readback(scanID="ScanID1", device="mca"),
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cb=self._stremer_cb,
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parent=self,
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)
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self.stream_consumer.start()
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self.data = np.array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
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self.scanID = None
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self.update_plot.connect(self.plot_new)
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def plot_new(self):
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self.image_item.setImage(self.data)
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@pyqtSlot(dict, dict)
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def get_stream(self, msg, metadata):
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print(msg)
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print(metadata)
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# def connect_stream_slot(self, slot, topic):
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@staticmethod
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def _stremer_cb(msg, *, parent, **_kwargs) -> None:
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msgMCS = BECMessage.DeviceMessage.loads(msg.value)
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row = msgMCS.content["signals"]["mca1"]
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metadata = msgMCS.metadata
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current_scanID = metadata.get("scanID", None)
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if current_scanID is None:
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return
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if current_scanID != parent.scanID:
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parent.scanID = current_scanID
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parent.data = row
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parent.image_item.clear()
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# print(f"metadata: {metadata}")
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# add row vertically to data
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parent.data = np.vstack((parent.data, row))
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parent.update_plot.emit()
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# print(f"msg: {msgMCS}")
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# print(f"row: {row}")
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if __name__ == "__main__":
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from bec_widgets.bec_dispatcher import bec_dispatcher
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# BECclient global variables
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# client = bec_dispatcher.client
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# client.start()
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#
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# dev = client.device_manager.devices
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# scans = client.scans
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# queue = client.queue
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connector = RedisConnector("localhost:6379")
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app = QApplication([])
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progressApp = StreamApp()
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# bec_dispatcher.connect_slot(
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# slot=progressApp.get_stream,
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# topic=MessageEndpoints.device_async_readback(scanID="ScanID1", device="mca"),
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# )
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# window = ProgressApp()
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# window.show()
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progressApp.show()
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app.exec_()
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