35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Demonstrates a way to put multiple axes around a single plot.
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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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import pyqtgraph as pg
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pg.mkQApp()
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# Create a new plot as normal
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pw = pg.PlotWidget()
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pw.show()
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pw.setWindowTitle('pyqtgraph example: MultiplePlotAxes')
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p1 = pw.plotItem
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p1.setLabels(left='axis 1')
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p1.getViewBox().setMouseMode(p1.vb.RectMode)
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p1.plot([1, 2, 4, 8, 16, 32])
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# Now create a couple of additional axes
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ax2 = pg.AxisItem('right')
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ax2.setLabel('axis2', color='#0000ff')
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ax3 = pg.AxisItem('right')
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ax3.setLabel('axis 3', color='#ff0000')
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# Add axis 2 to the plot and associated a data curve with it at the same time
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p1.addAxis(ax2, 'right1', pg.PlotCurveItem([10, 20, 40, 80, 40, 20], pen='b'))
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# An example of linking a data curve to an axis which already exists on the plot
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p1.addAxis(ax3, 'right2')
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p1.linkDataToAxis(pg.PlotCurveItem([3200, 1600, 800, 400, 200, 100], pen='r'), 'right2')
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if __name__ == '__main__':
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pg.exec()
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