33 lines
898 B
Python
33 lines
898 B
Python
# -*- coding: utf-8 -*-
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import sys, os
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
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from PyQt4 import QtGui, QtCore
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from pyqtgraph.PlotWidget import *
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from pyqtgraph.graphicsItems import *
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app = QtGui.QApplication([])
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mw = QtGui.QMainWindow()
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cw = PlotWidget()
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mw.setCentralWidget(cw)
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mw.show()
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#s1 = SpotItem(5, pxMode=True, brush=QtGui.QBrush(QtGui.QColor(0, 0, 200)), pen=QtGui.QPen(QtGui.QColor(100,100,100)))
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#s1.setPos(1, 0)
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#s2 = SpotItem(.1, pxMode=False, brush=QtGui.QBrush(QtGui.QColor(0, 200, 0)), pen=QtGui.QPen(QtGui.QColor(100,100,100)))
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#s2.setPos(0, 1)
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#cw.addItem(s1)
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#cw.addItem(s2)
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import numpy as np
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s1 = ScatterPlotItem(size=10, pen=QtGui.QPen(QtCore.Qt.NoPen), brush=QtGui.QBrush(QtGui.QColor(255, 255, 255, 20)))
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pos = np.random.normal(size=(2,3000))
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spots = [{'pos': pos[:,i]} for i in range(3000)]
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s1.addPoints(spots)
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cw.addDataItem(s1)
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