Python Matplotlib滑块小部件未更新
我想使用多个matplotlib画布,其中包含数据+一个(matplotlib)滑块小部件。 问题是滑块小部件没有正确更新(看起来好像没有发送鼠标事件之类的) 这就是我所拥有的:Python Matplotlib滑块小部件未更新,python,slider,matplotlib,Python,Slider,Matplotlib,我想使用多个matplotlib画布,其中包含数据+一个(matplotlib)滑块小部件。 问题是滑块小部件没有正确更新(看起来好像没有发送鼠标事件之类的) 这就是我所拥有的: import matplotlib matplotlib.use('TkAgg') from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg from matplotlib.figure import Figure from matplotlib.
import matplotlib
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
from matplotlib.widgets import Slider
class PlotWidget( Tk.Frame ):
def __init__(self, master):
Tk.Frame.__init__(self, master)
self.figure = Figure(figsize=(5,4), dpi=75)
self.canvas = FigureCanvasTkAgg(self.figure, self)
self.frame = self.canvas.get_tk_widget()
self.frame.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
self.canvas.show()
def add_slider(self):
a = self.figure.add_axes([0.25, 0.1, 0.65, 0.03], axisbg='lightgoldenrodyellow')
s = Slider( a, 'range', 0.1, 30.0, valinit=5)
self.canvas.show()
root = Tk.Tk()
option = 1
if option == 1 or option = 2:
w = PlotWidget(root)
w.pack()
figure = w.figure
else:
f = Tk.Frame(root, bd = 6, bg='red')
figure = matplotlib.figure.Figure(figsize=(5,4), dpi=75)
canvas = FigureCanvasTkAgg(figure, f)
canvas.get_tk_widget().pack()
canvas.show()
f.pack()
if option = 1:
w.add_slider()
else:
a = figure.add_axes([0.25, 0.1, 0.65, 0.03], axisbg='lightgoldenrodyellow')
s = Slider( a, 'range', 0.1, 30.0, valinit=5)
Tk.mainloop()
选项1不适用于所有其他组合(至少在测试脚本中,在我的应用程序中,当我在另一个位置创建滑块小部件时,它也不适用)。
滑块不会对鼠标事件做出反应
我遗漏了什么?!我必须做以下更改才能让您的脚本在我的机器上运行
import matplotlib
from Tkinter import *
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
from matplotlib.widgets import Slider
class PlotWidget( Frame ):
def __init__(self, master):
Frame.__init__(self, master)
self.figure = Figure(figsize=(5,4), dpi=75)
self.canvas = FigureCanvasTkAgg(self.figure, self)
self.frame = self.canvas.get_tk_widget()
self.frame.pack(side=TOP, fill=BOTH, expand=1)
self.canvas.show()
def add_slider(self):
a = self.figure.add_axes([0.25, 0.1, 0.65, 0.03], axisbg='lightgoldenrodyellow')
s = Slider( a, 'range', 0.1, 30.0, valinit=5)
self.canvas.show()
root = Tk()
option = 1
if option == 1 or option == 2:
w = PlotWidget(root)
w.pack()
figure = w.figure
else:
f = Frame(root, bd = 6, bg='red')
figure = matplotlib.figure.Figure(figsize=(5,4), dpi=75)
canvas = FigureCanvasTkAgg(figure, f)
canvas.get_tk_widget().pack()
canvas.show()
f.pack()
if option == 1:
w.add_slider()
else:
a = figure.add_axes([0.25, 0.1, 0.65, 0.03], axisbg='lightgoldenrodyellow')
s = Slider( a, 'range', 0.1, 30.0, valinit=5)
root.mainloop()
我认为选项1不起作用,因为滑块是在其中创建的
该示例还在与figure和show命令相同的范围内创建它
如果要将滑块创建移动到一个函数中,您可以让该函数将滑块返回到函数外部的作用域中,添加为添加滑块返回s
的最后一行,然后将w.add\u Slider()
更改为s=w.add\u Slider()
或者,您可以将相关数据存储在与画布和图相同的范围(类成员)中,例如self.slider=slider(a'range',0.1,30.0,valinit=5)
当
option=1
时,这两种方法都会使滑块在鼠标事件时更新,我知道这必须是简单的事情,但你现在正式成为我的英雄!