82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
#!/usr/bin/env python3
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtWidgets, QtCore
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import numpy as np
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import sys, os
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REF_FILE = "constellation_ref.dat"
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RX_FILE = "constellation.dat"
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def load_points(filename):
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if os.path.exists(filename):
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return np.loadtxt(filename)
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else:
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return np.zeros((0,2))
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# -------------------- Application --------------------
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app = QtWidgets.QApplication(sys.argv)
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win = pg.GraphicsLayoutWidget(show=True, title="Constellation Viewer")
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win.resize(900, 900)
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win.setBackground('#0a0a0a') # fond noir profond
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plot = win.addPlot()
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plot.setAspectLocked(True) # axes égaux
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# -------------------- Axes stylés --------------------
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plot.getAxis('left').setPen(pg.mkPen('#AAA', width=2))
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plot.getAxis('bottom').setPen(pg.mkPen('#AAA', width=2))
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plot.getAxis('left').setTextPen(pg.mkPen('#EEE'))
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plot.getAxis('bottom').setTextPen(pg.mkPen('#EEE'))
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plot.setLabel('left', 'Quadrature (Q)', color='#EEE', size='12pt')
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plot.setLabel('bottom', 'In-phase (I)', color='#EEE', size='12pt')
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# -------------------- Grille subtile --------------------
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grid = pg.GridItem()
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grid.setPen(pg.mkPen('#444', width=1, style=QtCore.Qt.DotLine))
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plot.addItem(grid)
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# -------------------- Chargement initial des points --------------------
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ref_data = load_points(REF_FILE)
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rx_data = load_points(RX_FILE)
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# Points sans contour
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ref_plot = plot.plot(ref_data[:,0], ref_data[:,1],
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pen=None,
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symbol='o',
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symbolSize=10, # cercles un peu plus gros
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symbolBrush=pg.mkBrush('#1E90FF'), # bleu vif
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symbolPen=None,
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name='Référence')
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rx_plot = plot.plot(rx_data[:,0], rx_data[:,1],
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pen=None,
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symbol='x',
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symbolSize=6, # croix plus petites
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symbolBrush=pg.mkBrush('#FF4500'), # orange vif
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symbolPen=None,
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name='Reçu')
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# Légende stylée
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legend = plot.addLegend()
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for item in legend.items:
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item[1].setPen(pg.mkPen('#FFF', width=2))
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# -------------------- Timer pour mise à jour dynamique --------------------
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def update():
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ref_data = load_points(REF_FILE)
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rx_data = load_points(RX_FILE)
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ref_plot.setData(ref_data[:,0], ref_data[:,1])
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rx_plot.setData(rx_data[:,0], rx_data[:,1])
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timer = QtCore.QTimer()
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timer.timeout.connect(update)
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timer.start(500) # ms
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# -------------------- Anti-aliasing --------------------
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pg.setConfigOptions(antialias=True)
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# -------------------- Exécution --------------------
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if __name__ == '__main__':
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sys.exit(app.exec_())
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