我想连续更新绘图的一个属性(例如,将y值随机化),然后每隔一段时间以不同的方式更新它(例如,将所有y值设置为零)。在
是否可以只使用一个FuncAnimation例程来完成此操作?在
或者,最好的方法是什么?在
编辑:例如,先做“updatePlot()”,然后再做“otherUpdatePlot”:
from matplotlib import pyplot as plt
import matplotlib.animation as animation
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import numpy as np
import Tkinter as tk
class AnimatedPlot(tk.Frame):
def __init__(self, master=None, **kwargs):
tk.Frame.__init__(self, master, **kwargs)
self.fig = plt.Figure()
self.ax1 = self.fig.add_subplot(111)
self.line, = self.ax1.plot([], [], lw=2)
self.canvas = FigureCanvasTkAgg(self.fig, master=self)
self.canvas.show()
self.canvas.get_tk_widget().grid(row=1, column=0, columnspan=2, rowspan=8)
self.ax1.set_ylim(0,20) #only the visible limits of the grad
self.ax1.set_xlim(0,20) ##the whole dataset swill be longer
self.startPlot()
def startPlot(self):
self.xdata = np.linspace(0, 20, 20)
self.ydata = np.linspace(0, 20, 20)
self.anim = animation.FuncAnimation(
self.fig,
self.updatePlot,
repeat=True) #here is the animation routine that right now only runs one updatePlot function
self.anim._start()
print("Running")
def updatePlot(self,i): #the function to be animated most of the time
self.ydata = np.random.randint(20, size=20)
self.line.set_data(self.xdata, self.ydata)
return self.line,
def otherUpdatePlot(self,i): #to be animated once in a while
self.ydata = np.zeros(shape=(1, 20))
self.line.set_data(self.xdata, self.ydata)
return self.line,
def main():
root = tk.Tk()
app = AnimatedPlot(root)
app.pack()
root.mainloop()
if __name__ == '__main__':
main()
创建一个函数,该函数根据某些条件调用这两个方法之一。将此函数用作动画功能。在
在下面的例子中,我们使用一个属性
self.once_in_a_while = 6
使绘图每6帧都为零。在相关问题 更多 >
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