本文整理汇总了Python中qwt.QwtPlotCurve.setSymbol方法的典型用法代码示例。如果您正苦于以下问题：Python QwtPlotCurve.setSymbol方法的具体用法？Python QwtPlotCurve.setSymbol怎么用？Python QwtPlotCurve.setSymbol使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qwt.QwtPlotCurve的用法示例。
在下文中一共展示了QwtPlotCurve.setSymbol方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
def __init__(self, *args):
QFrame.__init__(self, *args)
self.setFrameStyle(QFrame.Box | QFrame.Raised)
self.setLineWidth(2)
self.setMidLineWidth(3)
p = QPalette()
p.setColor(self.backgroundRole(), QColor(30, 30, 50))
self.setPalette(p)
# make curves and maps
self.tuples = []
# curve 1
curve = QwtPlotCurve()
curve.setPen(QPen(QColor(150, 150, 200), 2))
curve.setStyle(QwtPlotCurve.Lines)
curve.setSymbol(QwtSymbol(QwtSymbol.XCross,
QBrush(),
QPen(Qt.yellow, 2),
QSize(7, 7)))
self.tuples.append((curve,
QwtScaleMap(0, 100, -1.5, 1.5),
QwtScaleMap(0, 100, 0.0, 2*np.pi)))
# curve 2
curve = QwtPlotCurve()
curve.setPen(QPen(QColor(200, 150, 50),
1,
Qt.DashDotDotLine))
curve.setStyle(QwtPlotCurve.Sticks)
curve.setSymbol(QwtSymbol(QwtSymbol.Ellipse,
QBrush(Qt.blue),
QPen(Qt.yellow),
QSize(5, 5)))
self.tuples.append((curve,
QwtScaleMap(0, 100, 0.0, 2*np.pi),
QwtScaleMap(0, 100, -3.0, 1.1)))
# curve 3
curve = QwtPlotCurve()
curve.setPen(QPen(QColor(100, 200, 150)))
curve.setStyle(QwtPlotCurve.Lines)
self.tuples.append((curve,
QwtScaleMap(0, 100, -1.1, 3.0),
QwtScaleMap(0, 100, -1.1, 3.0)))
# curve 4
curve = QwtPlotCurve()
curve.setPen(QPen(Qt.red))
curve.setStyle(QwtPlotCurve.Lines)
self.tuples.append((curve,
QwtScaleMap(0, 100, -5.0, 1.1),
QwtScaleMap(0, 100, -1.1, 5.0)))
# data
self.phase = 0.0
self.base = np.arange(0.0, 2.01*np.pi, 2*np.pi/(USize-1))
self.uval = np.cos(self.base)
self.vval = np.sin(self.base)
self.uval[1::2] *= 0.5
self.vval[1::2] *= 0.5
self.newValues()
# start timer
self.tid = self.startTimer(250)示例2: __insertCurve
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
def __insertCurve(self, orientation, color, base):
curve = QwtPlotCurve()
curve.attach(self)
curve.setPen(QPen(color))
curve.setSymbol(QwtSymbol(QwtSymbol.Ellipse, QBrush(Qt.gray), QPen(color), QSize(8, 8)))
fixed = base * np.ones(10, np.float)
changing = np.arange(0, 95.0, 10.0, np.float) + 5.0
if orientation == Qt.Horizontal:
curve.setData(changing, fixed)
else:
curve.setData(fixed, changing)示例3: __init__
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
def __init__(self, title, xdata, ydata, style, symbol=None, *args):
super(BMPlot, self).__init__(*args)
self.setMinimumSize(200, 200)
self.setTitle(title)
self.setAxisTitle(QwtPlot.xBottom, 'x')
self.setAxisTitle(QwtPlot.yLeft, 'y')
curve = QwtPlotCurve()
curve.setPen(QPen(get_curve_color()))
curve.setStyle(style)
curve.setRenderHint(QwtPlotCurve.RenderAntialiased)
if symbol is not None:
curve.setSymbol(symbol)
curve.attach(self)
curve.setData(xdata, ydata)
self.replot()示例4: DataPlot
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
class DataPlot(QwtPlot):
def __init__(self, *args):
QwtPlot.__init__(self, *args)
self.setCanvasBackground(Qt.white)
self.alignScales()
# Initialize data
self.x = np.arange(0.0, 100.1, 0.5)
self.y = np.zeros(len(self.x), np.float)
self.z = np.zeros(len(self.x), np.float)
self.setTitle("A Moving QwtPlot Demonstration")
self.insertLegend(QwtLegend(), QwtPlot.BottomLegend);
self.curveR = QwtPlotCurve("Data Moving Right")
self.curveR.attach(self)
self.curveL = QwtPlotCurve("Data Moving Left")
self.curveL.attach(self)
self.curveL.setSymbol(QwtSymbol(QwtSymbol.Ellipse,
QBrush(),
QPen(Qt.yellow),
QSize(7, 7)))
self.curveR.setPen(QPen(Qt.red))
self.curveL.setPen(QPen(Qt.blue))
mY = QwtPlotMarker()
mY.setLabelAlignment(Qt.AlignRight | Qt.AlignTop)
mY.setLineStyle(QwtPlotMarker.HLine)
mY.setYValue(0.0)
mY.attach(self)
self.setAxisTitle(QwtPlot.xBottom, "Time (seconds)")
self.setAxisTitle(QwtPlot.yLeft, "Values")
self.startTimer(50)
self.phase = 0.0
def alignScales(self):
self.canvas().setFrameStyle(QFrame.Box | QFrame.Plain)
self.canvas().setLineWidth(1)
for i in range(QwtPlot.axisCnt):
scaleWidget = self.axisWidget(i)
if scaleWidget:
scaleWidget.setMargin(0)
scaleDraw = self.axisScaleDraw(i)
if scaleDraw:
scaleDraw.enableComponent(QwtAbstractScaleDraw.Backbone, False)
def timerEvent(self, e):
if self.phase > np.pi - 0.0001:
self.phase = 0.0
# y moves from left to right:
# shift y array right and assign new value y[0]
self.y = np.concatenate((self.y[:1], self.y[:-1]), 1)
self.y[0] = np.sin(self.phase) * (-1.0 + 2.0*random.random())
# z moves from right to left:
# Shift z array left and assign new value to z[n-1].
self.z = np.concatenate((self.z[1:], self.z[:1]), 1)
self.z[-1] = 0.8 - (2.0 * self.phase/np.pi) + 0.4*random.random()
self.curveR.setData(self.x, self.y)
self.curveL.setData(self.x, self.z)
self.replot()
self.phase += np.pi*0.02示例5: MapDemo
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
class MapDemo(QMainWindow):
def __init__(self, *args):
QMainWindow.__init__(self, *args)
self.plot = QwtPlot(self)
self.plot.setTitle("A Simple Map Demonstration")
self.plot.setCanvasBackground(Qt.white)
self.plot.setAxisTitle(QwtPlot.xBottom, "x")
self.plot.setAxisTitle(QwtPlot.yLeft, "y")
self.plot.setAxisScale(QwtPlot.xBottom, 0.0, 1.0)
self.plot.setAxisScale(QwtPlot.yLeft, 0.0, 1.0)
self.setCentralWidget(self.plot)
# Initialize map data
self.count = self.i = 1000
self.xs = np.zeros(self.count, np.float)
self.ys = np.zeros(self.count, np.float)
self.kappa = 0.2
self.curve = QwtPlotCurve("Map")
self.curve.attach(self.plot)
self.curve.setSymbol(QwtSymbol(QwtSymbol.Ellipse,
QBrush(Qt.red),
QPen(Qt.blue),
QSize(5, 5)))
self.curve.setPen(QPen(Qt.cyan))
toolBar = QToolBar(self)
self.addToolBar(toolBar)
# 1 tick = 1 ms, 10 ticks = 10 ms (Linux clock is 100 Hz)
self.ticks = 10
self.tid = self.startTimer(self.ticks)
self.timer_tic = None
self.user_tic = None
self.system_tic = None
self.plot.replot()
def setTicks(self, ticks):
self.i = self.count
self.ticks = int(ticks)
self.killTimer(self.tid)
self.tid = self.startTimer(ticks)
def resizeEvent(self, event):
self.plot.resize(event.size())
self.plot.move(0, 0)
def moreData(self):
if self.i == self.count:
self.i = 0
self.x = random.random()
self.y = random.random()
self.xs[self.i] = self.x
self.ys[self.i] = self.y
self.i += 1
chunks = []
self.timer_toc = time.time()
if self.timer_tic:
chunks.append("wall: %s s." % (self.timer_toc-self.timer_tic))
print(' '.join(chunks))
self.timer_tic = self.timer_toc
else:
self.x, self.y = standard_map(self.x, self.y, self.kappa)
self.xs[self.i] = self.x
self.ys[self.i] = self.y
self.i += 1
def timerEvent(self, e):
self.moreData()
self.curve.setData(self.xs[:self.i], self.ys[:self.i])
self.plot.replot()示例6: __init__
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import setSymbol [as 别名]
def __init__(self, *args):
QFrame.__init__(self, *args)
self.xMap = QwtScaleMap()
self.xMap.setScaleInterval(-0.5, 10.5)
self.yMap = QwtScaleMap()
self.yMap.setScaleInterval(-1.1, 1.1)
# frame style
self.setFrameStyle(QFrame.Box | QFrame.Raised)
self.setLineWidth(2)
self.setMidLineWidth(3)
# calculate values
self.x = np.arange(0, 10.0, 10.0/27)
self.y = np.sin(self.x)*np.cos(2*self.x)
# make curves with different styles
self.curves = []
self.titles = []
# curve 1
self.titles.append('Style: Sticks, Symbol: Ellipse')
curve = QwtPlotCurve()
curve.setPen(QPen(Qt.red))
curve.setStyle(QwtPlotCurve.Sticks)
curve.setSymbol(QwtSymbol(QwtSymbol.Ellipse,
QBrush(Qt.yellow),
QPen(Qt.blue),
QSize(5, 5)))
self.curves.append(curve)
# curve 2
self.titles.append('Style: Lines, Symbol: None')
curve = QwtPlotCurve()
curve.setPen(QPen(Qt.darkBlue))
curve.setStyle(QwtPlotCurve.Lines)
self.curves.append(curve)
# curve 3
self.titles.append('Style: Lines, Symbol: None, Antialiased')
curve = QwtPlotCurve()
curve.setPen(QPen(Qt.darkBlue))
curve.setStyle(QwtPlotCurve.Lines)
curve.setRenderHint(QwtPlotItem.RenderAntialiased)
self.curves.append(curve)
# curve 4
self.titles.append('Style: Steps, Symbol: None')
curve = QwtPlotCurve()
curve.setPen(QPen(Qt.darkCyan))
curve.setStyle(QwtPlotCurve.Steps)
self.curves.append(curve)
# curve 5
self.titles.append('Style: NoCurve, Symbol: XCross')
curve = QwtPlotCurve()
curve.setStyle(QwtPlotCurve.NoCurve)
curve.setSymbol(QwtSymbol(QwtSymbol.XCross,
QBrush(),
QPen(Qt.darkMagenta),
QSize(5, 5)))
self.curves.append(curve)
# attach data, using Numeric
for curve in self.curves:
curve.setData(self.x, self.y)