本文整理汇总了Python中matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg.findChildren方法的典型用法代码示例。如果您正苦于以下问题：Python NavigationToolbar2QTAgg.findChildren方法的具体用法？Python NavigationToolbar2QTAgg.findChildren怎么用？Python NavigationToolbar2QTAgg.findChildren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matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg的用法示例。
在下文中一共展示了NavigationToolbar2QTAgg.findChildren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: QMplWidget
# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import findChildren [as 别名]
class QMplWidget (QtGui.QWidget):
picked = QtCore.pyqtSignal (str)
axisChanged = QtCore.pyqtSignal (tuple, tuple)
def __init__(self, parent=None):
super(QMplWidget, self).__init__(parent)
self.figure = Figure()
self.canvas = FigureCanvas(self.figure)
try:
self.ax = self.figure.add_subplot(111)
except:
rcdefaults()
self.ax = self.figure.add_subplot(111)
self.toolbar = NavigationToolbar(self.canvas, self)
map (lambda a: a.setVisible(False), filter(lambda a: a.text() in ['Customize'], self.toolbar.findChildren(QtGui.QAction)))
layout = QtGui.QVBoxLayout()
layout.addWidget(self.canvas)
layout.addWidget(self.toolbar)
self.setLayout(layout)
def on_pick(event):
if event.mouseevent.button == 1:
label = event.artist.get_label()
if len(label):
self.picked.emit (label)
self.canvas.mpl_connect('pick_event', on_pick)
self.legendCols = 1
self.legendPos = 0
self.grid = rcParams['axes.grid']
self.qualifiedColorMaps = ['Accent', 'Dark2', 'Paired', 'Pastel1', 'Pastel2', 'Set1', 'Set2', 'Set3']
self.colorMap = None
self.oldLines = {}
self.xdate = False
self.ydate = False
self.clean()
def genColorMap (self, numColors=10, colorMapName = ''):
if not colorMapName in self.qualifiedColorMaps:
colorMapName = self.qualifiedColorMaps[randint(1,len(self.qualifiedColorMaps))-1]
cm = get_cmap(colorMapName, numColors)
self.colorMap = [cm(1.*i/numColors) for i in range(numColors)]
def clean (self, xField='', yField='', resetStyle = False):
self.oldLines = {}
if not resetStyle:
map (lambda l: self.oldLines.__setitem__(l.get_label(),l), self.ax.get_lines())
self.ax.cla()
def on_axeslim_changed (ax):
self.axisChanged.emit (ax.get_xlim(),ax.get_ylim())
self.ax.callbacks.connect('xlim_changed', on_axeslim_changed)
self.ax.callbacks.connect('ylim_changed', on_axeslim_changed)
on_axeslim_changed (self.ax)
self.xdate = (xField == 'Time')
self.ydate = (yField == 'Time')
self.ax.set_color_cycle(self.colorMap)
def applyTimeFormat (self, timeFormat = ''):
timeFormatter = mpdates.DateFormatter(timeFormat) if len(timeFormat) else None
if self.xdate and timeFormatter:
self.ax.xaxis.set_major_formatter(timeFormatter)
if self.ydate and timeFormatter:
self.ax.yaxis.set_major_formatter(timeFormatter)
self.figure.autofmt_xdate()
def plot(self, x=[], y=[], label = None):
def _float(value):
try:
return float(value)
except:
return -9999
if self.xdate:
x = [mpdates.datestr2num(v) for v in x]
else:
x = [_float(v) for v in x]
if self.ydate:
y = [mpdates.datestr2num(v) for v in y]
else:
y = [_float(v) for v in y]
line, = self.ax.plot (x, y, label = label, picker=5)
if self.xdate:
self.ax.xaxis_date()
if self.ydate:
self.ax.yaxis_date()
if self.oldLines.has_key(label):
line.update_from(self.oldLines.pop(label))
def updateLegend (self):
#.........这里部分代码省略.........