101 lines
2.3 KiB
Python
101 lines
2.3 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from scipy import random
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from PyQt4 import QtGui, QtCore
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from GraphicsView import *
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from graphicsItems import *
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app = QtGui.QApplication([])
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mw = QtGui.QMainWindow()
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cw = QtGui.QWidget()
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vl = QtGui.QVBoxLayout()
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cw.setLayout(vl)
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mw.setCentralWidget(cw)
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mw.show()
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mw.resize(800, 600)
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gv = GraphicsView(cw)
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gv.enableMouse(False)
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#w1 = QtGui.QGraphicsWidget()
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l = QtGui.QGraphicsGridLayout()
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l.setHorizontalSpacing(0)
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l.setVerticalSpacing(0)
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vb = ViewBox()
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p1 = PlotCurveItem()
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#gv.scene().addItem(vb)
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vb.addItem(p1)
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vl.addWidget(gv)
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rect = QtGui.QGraphicsRectItem(QtCore.QRectF(0, 0, 1, 1))
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rect.setPen(QtGui.QPen(QtGui.QColor(100, 200, 100)))
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vb.addItem(rect)
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l.addItem(vb, 0, 2)
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gv.centralWidget.setLayout(l)
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xScale = ScaleItem(orientation='bottom', linkView=vb)
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l.addItem(xScale, 1, 2)
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yScale = ScaleItem(orientation='left', linkView=vb)
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l.addItem(yScale, 0, 1)
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xLabel = LabelItem(u"<span style='color: #ff0000; font-weight: bold'>X</span> <i>Axis</i> <span style='font-size: 6pt'>(μV)</span>", html=True, color='CCC')
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l.setRowFixedHeight(2, 20)
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l.setRowFixedHeight(1, 40)
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l.addItem(xLabel, 2, 2)
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yLabel = LabelItem("Y Axis", color=QtGui.QColor(200, 200, 200))
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yLabel.setAngle(90)
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l.setColumnFixedWidth(0, 20)
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l.setColumnFixedWidth(1, 60)
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l.addItem(yLabel, 0, 0)
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#grid = GridItem(gv)
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#vb.addItem(grid)
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#gv.scene().addItem(w1)
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#w1.setGeometry(0, 0, 1, 1)
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#c1 = Qwt.QwtPlotCurve()
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#c1.setData(range(len(data)), data)
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#c1.attach(p1)
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#c2 = PlotCurve()
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#c2.setData([1,2,3,4,5,6,7,8], [1,2,10,4,3,2,4,1])
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#c2.attach(p2)
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def rand(n):
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data = random.random(n)
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data[int(n*0.1):int(n*0.13)] += .5
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data[int(n*0.18)] += 2
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data[int(n*0.1):int(n*0.13)] *= 5
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data[int(n*0.18)] *= 20
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#c1.setData(range(len(data)), data)
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return data, arange(n, n+len(data)) / float(n)
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def updateData():
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yd, xd = rand(10000)
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p1.updateData(yd, x=xd)
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#vb.setRange(p1.boundingRect())
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#p1.plot(yd, x=xd, clear=True)
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yd, xd = rand(10000)
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#p2.plot(yd * 1000, x=xd)
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#for i in [1,2]:
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#for j in range(3):
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#yd, xd = rand(1000)
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#p3.plot(yd * 100000 * i, x=xd, params={'repetitions': j, 'scale': i})
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updateData()
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vb.autoRange()
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t = QtCore.QTimer()
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QtCore.QObject.connect(t, QtCore.SIGNAL('timeout()'), updateData)
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t.start(50)
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