28 lines
899 B
Python
28 lines
899 B
Python
# -*- coding: utf-8 -*-
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"""
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Demonstrates basic use of LegendItem
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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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plt = pg.plot()
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plt.setWindowTitle('pyqtgraph example: Legend')
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plt.addLegend()
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#l = pg.LegendItem((100,60), offset=(70,30)) # args are (size, offset)
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#l.setParentItem(plt.graphicsItem()) # Note we do NOT call plt.addItem in this case
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c1 = plt.plot([1,3,2,4], pen='r', name='red plot')
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c2 = plt.plot([2,1,4,3], pen='g', fillLevel=0, fillBrush=(255,255,255,30), name='green plot')
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#l.addItem(c1, 'red plot')
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#l.addItem(c2, 'green plot')
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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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