本文整理汇总了Python中qwt.QwtPlotCurve.drawSeries方法的典型用法代码示例。如果您正苦于以下问题：Python QwtPlotCurve.drawSeries方法的具体用法？Python QwtPlotCurve.drawSeries怎么用？Python QwtPlotCurve.drawSeries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.drawSeries方法的1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: drawSeries
# 需要导入模块: from qwt import QwtPlotCurve [as 别名]
# 或者: from qwt.QwtPlotCurve import drawSeries [as 别名]
def drawSeries(self, painter, xMap, yMap, canvasRect, first, last = -1):
"""Draw an interval of the curve, including the error bars
painter is the QPainter used to draw the curve
xMap is the QwtDiMap used to map x-values to pixels
yMap is the QwtDiMap used to map y-values to pixels
first is the index of the first data point to draw
last is the index of the last data point to draw. If last < 0, last
is transformed to index the last data point
"""
if last < 0:
last = self.dataSize() - 1
if self.errorOnTop:
QwtPlotCurve.drawSeries(self, painter, xMap, yMap,
canvasRect, first, last)
# draw the error bars
painter.save()
painter.setPen(self.errorPen)
# draw the error bars with caps in the x direction
if self.__dx is not None:
# draw the bars
if len(self.__dx.shape) in [0, 1]:
xmin = (self.__x - self.__dx)
xmax = (self.__x + self.__dx)
else:
xmin = (self.__x - self.__dx[0])
xmax = (self.__x + self.__dx[1])
y = self.__y
n, i = len(y), 0
lines = []
while i < n:
yi = yMap.transform(y[i])
lines.append(QLineF(xMap.transform(xmin[i]), yi,
xMap.transform(xmax[i]), yi))
i += 1
painter.drawLines(lines)
if self.errorCap > 0:
# draw the caps
cap = self.errorCap/2
n, i, = len(y), 0
lines = []
while i < n:
yi = yMap.transform(y[i])
lines.append(
QLineF(xMap.transform(xmin[i]), yi - cap,
xMap.transform(xmin[i]), yi + cap))
lines.append(
QLineF(xMap.transform(xmax[i]), yi - cap,
xMap.transform(xmax[i]), yi + cap))
i += 1
painter.drawLines(lines)
# draw the error bars with caps in the y direction
if self.__dy is not None:
# draw the bars
if len(self.__dy.shape) in [0, 1]:
ymin = (self.__y - self.__dy)
ymax = (self.__y + self.__dy)
else:
ymin = (self.__y - self.__dy[0])
ymax = (self.__y + self.__dy[1])
x = self.__x
n, i, = len(x), 0
lines = []
while i < n:
xi = xMap.transform(x[i])
lines.append(
QLineF(xi, yMap.transform(ymin[i]),
xi, yMap.transform(ymax[i])))
i += 1
painter.drawLines(lines)
# draw the caps
if self.errorCap > 0:
cap = self.errorCap/2
n, i, j = len(x), 0, 0
lines = []
while i < n:
xi = xMap.transform(x[i])
lines.append(
QLineF(xi - cap, yMap.transform(ymin[i]),
xi + cap, yMap.transform(ymin[i])))
lines.append(
QLineF(xi - cap, yMap.transform(ymax[i]),
xi + cap, yMap.transform(ymax[i])))
i += 1
painter.drawLines(lines)
painter.restore()
if not self.errorOnTop:
QwtPlotCurve.drawSeries(self, painter, xMap, yMap,
canvasRect, first, last)