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GUI_realtime_plotting.py
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GUI_realtime_plotting.py
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import guiplot
import sys
import numpy
from PyQt4 import QtCore, QtGui
import PyQt4.Qwt5 as Qwt
from pyemotiv import emotiv
datarray=numpy.zeros((1,4))
class QTEEG(QtCore.QObject, guiplot.Ui_Form):
def __init__(self, parent= None):
super(QTEEG, self).__init__(parent)
self.setupUi
def plotSomething():
epoc= Epoc()
data= epoc.aquire([9]) #gets the data from channel O1
datarray=numpy.concatenate((datarray, data), axis = 1)
for i in range(0, len(datarray[0])):
if datarray[0][i]>0:
sth.append(datarray[0][i])
numPoints=1000
xs=numpy.arange(numPoints)
#ys=numpy.sin(3.14159*xs*10/numPoints) #this is our data
#global ys
ys=numpy.roll(sth,-1) #rolling and repeating
c.setData(xs,ys)
guiplot.qwtPlot.replot()
# def close():
#enter code to close the headset or atleast stop the functioning of the plot
def main():
app= QtGui.QApplication(sys.argv)
win_plot = guiplot.QtGui.QMainWindow()
uiplot = guiplot.Ui_Form()
uiplot.setupUi(win_plot)
# tell buttons what to do when clicked
guiplot.Start.clicked.connect(plotSomething)
#uiplot.btnA.clicked.connect(plotSomething)
#guiplot.Stop.clicked.connect(close)
# set up the QwtPlot (pay attention!)
c=Qwt.QwtPlotCurve() #make a curve
c.attach(uiplot.qwtPlot) #attach it to the qwtPlot object
uiplot.timer = QtCore.QTimer() #start a timer (to call replot events)
uiplot.timer.start(100.0) #set the interval (in ms)
win_plot.connect(uiplot.timer, QtCore.SIGNAL('timeout()'), plotSomething)
# show the main window
win_plot.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()