26 lines
826 B
Python
26 lines
826 B
Python
# -*- coding: utf-8 -*-
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## This example shows how to insert text into a scene using QTextItem
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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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x = np.linspace(-100, 100, 1000)
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y = np.sin(x) / x
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plot = pg.plot(x, y)
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## Create text object, use HTML tags to specify color (default is black; won't be visible)
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text = pg.TextItem(html='<div style="text-align: center"><span style="color: #FFF;">This is the</span><br><span style="color: #FF0;">PEAK</span></div>')
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plot.addItem(text)
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text.setPos(0, y.max())
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## Start Qt event loop unless running in interactive mode or using pyside.
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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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