def __init__(self, *args):
Qt.QFrame.__init__(self, *args)
self.setFrameStyle(Qt.QFrame.Box | Qt.QFrame.Raised)
self.setLineWidth(2)
self.setMidLineWidth(3)
p = Qt.QPalette()
p.setColor(self.backgroundRole(), Qt.QColor(30, 30, 50))
self.setPalette(p)
# make curves and maps
self.tuples = []
# curve 1
curve = Qwt.QwtPlotCurve()
curve.setPen(Qt.QPen(Qt.QColor(150, 150, 200), 2))
curve.setCurveType(Qwt.QwtPlotCurve.Xfy)
curve.setStyle(Qwt.QwtPlotCurve.Lines)
curveFitter = Qwt.QwtSplineCurveFitter()
curveFitter.setSplineSize(150)
curve.setCurveFitter(curveFitter)
curve.setSymbol(
Qwt.QwtSymbol(Qwt.QwtSymbol.XCross, Qt.QBrush(),
Qt.QPen(Qt.Qt.yellow, 2), Qt.QSize(7, 7)))
self.tuples.append((curve, Qwt.QwtScaleMap(0, 100, -1.5, 1.5),
Qwt.QwtScaleMap(0, 100, 0.0, 2 * pi)))
# curve 2
curve = Qwt.QwtPlotCurve()
curve.setPen(Qt.QPen(Qt.QColor(200, 150, 50), 1, Qt.Qt.DashDotDotLine))
curve.setStyle(Qwt.QwtPlotCurve.Sticks)
curve.setSymbol(
Qwt.QwtSymbol(Qwt.QwtSymbol.Ellipse, Qt.QBrush(Qt.Qt.blue),
Qt.QPen(Qt.Qt.yellow), Qt.QSize(5, 5)))
self.tuples.append((curve, Qwt.QwtScaleMap(0, 100, 0.0, 2 * pi),
Qwt.QwtScaleMap(0, 100, -3.0, 1.1)))
# curve 3
curve = Qwt.QwtPlotCurve()
curve.setPen(Qt.QPen(Qt.QColor(100, 200, 150)))
curve.setStyle(Qwt.QwtPlotCurve.Lines)
curve.setCurveAttribute(Qwt.QwtPlotCurve.Fitted)
curveFitter = Qwt.QwtSplineCurveFitter()
curveFitter.setFitMode(Qwt.QwtSplineCurveFitter.ParametricSpline)
curveFitter.setSplineSize(200)
curve.setCurveFitter(curveFitter)
self.tuples.append(
(curve, Qwt.QwtScaleMap(0, 100, -1.1,
3.0), Qwt.QwtScaleMap(0, 100, -1.1, 3.0)))
# curve 4
curve = Qwt.QwtPlotCurve()
curve.setPen(Qt.QPen(Qt.Qt.red))
curve.setStyle(Qwt.QwtPlotCurve.Lines)
curve.setCurveAttribute(Qwt.QwtPlotCurve.Fitted)
curveFitter = Qwt.QwtSplineCurveFitter()
curveFitter.setSplineSize(200)
curve.setCurveFitter(curveFitter)
self.tuples.append(
(curve, Qwt.QwtScaleMap(0, 100, -5.0,
1.1), Qwt.QwtScaleMap(0, 100, -1.1, 5.0)))
# data
self.phase = 0.0
self.base = arange(0.0, 2.01 * pi, 2 * pi / (USize - 1))
self.uval = cos(self.base)
self.vval = sin(self.base)
self.uval[1::2] *= 0.5
self.vval[1::2] *= 0.5
self.newValues()
# start timer
self.tid = self.startTimer(250)
