39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Example beeswarm / bar chart
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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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from pyqtgraph.Qt import QtCore, QtGui
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import numpy as np
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win = pg.plot()
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win.setWindowTitle('pyqtgraph example: beeswarm')
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data = np.random.normal(size=(4,20))
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data[0] += 5
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data[1] += 7
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data[2] += 5
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data[3] = 10 + data[3] * 2
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## Make bar graph
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#bar = pg.BarGraphItem(x=range(4), height=data.mean(axis=1), width=0.5, brush=0.4)
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#win.addItem(bar)
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## add scatter plots on top
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for i in range(4):
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xvals = pg.pseudoScatter(data[i], spacing=0.4, bidir=True) * 0.2
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win.plot(x=xvals+i, y=data[i], pen=None, symbol='o', symbolBrush=pg.intColor(i,6,maxValue=128))
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## Make error bars
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err = pg.ErrorBarItem(x=np.arange(4), y=data.mean(axis=1), height=data.std(axis=1), beam=0.5, pen={'color':'w', 'width':2})
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win.addItem(err)
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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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