51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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This example demonstrates the different auto-ranging capabilities of ViewBoxes
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"""
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import initExample ## Add path to library (just for examples; you do not need this)
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from pyqtgraph.Qt import QtGui, QtCore
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import numpy as np
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import pyqtgraph as pg
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#QtGui.QApplication.setGraphicsSystem('raster')
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app = pg.mkQApp("Plot Auto Range Example")
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#mw = QtGui.QMainWindow()
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#mw.resize(800,800)
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win = pg.GraphicsLayoutWidget(show=True, title="Plot auto-range examples")
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win.resize(800,600)
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win.setWindowTitle('pyqtgraph example: PlotAutoRange')
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d = np.random.normal(size=100)
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d[50:54] += 10
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p1 = win.addPlot(title="95th percentile range", y=d)
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p1.enableAutoRange('y', 0.95)
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p2 = win.addPlot(title="Auto Pan Only")
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p2.setAutoPan(y=True)
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curve = p2.plot()
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def update():
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t = pg.time()
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data = np.ones(100) * np.sin(t)
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data[50:60] += np.sin(t)
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global curve
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curve.setData(data)
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timer = QtCore.QTimer()
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timer.timeout.connect(update)
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timer.start(50)
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## Start Qt event loop unless running in interactive mode or using pyside.
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if __name__ == '__main__':
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import sys
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if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
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QtGui.QApplication.instance().exec_()
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