ax.set_xlim(0,10) ax.set_ylim(0,100)delxdata[:]delydata[:] line.set_data(xdata, ydata)returnline, xdata=[] ydata=[] fig= plt.figure(figsize=(18, 8), facecolor="white") ax= fig.add_subplot(111) line,= ax.plot(xdata, ydata, color="red")#update the datadefupdate(data): ...
x = np.arange(-2 * np.pi, 2 * np.pi, .01) line, = ax.plot(x, np.sqrt(x)) # 更新图片 def update(i): line.set_ydata(np.sin(x + i/10.0)) return line, # 初始图像 def init(): line.set_ydata(np.sin(x)) return line, # 动画 ani = animation.FuncAnimation(fig=fig, f...
import matplotlib.pyplot as plt # 创建一个简单的折线图 x = [1, 2, 3, 4, 5] y = [1, 4, 9, 16, 25] line, = plt.plot(x, y) # 更新数据 new_x = [1, 2, 3, 4, 5] new_y = [1, 8, 27, 64, 125] line.set_data(new_x, new_y) # 重新绘制图形 plt.draw(...
ax.set_title('click on points') line, = ax.plot(np.random.rand(100), 'o', picker=5) # 5 points tolerance def onpick(event): thisline = event.artist xdata = thisline.get_xdata() ydata = thisline.get_ydata() ind = event.ind points = tuple(zip(xdata[ind], ydata[ind])) p...
JavaScript 本身不提供多维数组,但是,可以通过定义元素数组来创建多维数组,其中每个元素也是另一个数组,...
line.set_data([], []) return line, # 数据更新方法,周期性调用 def animate(i): x = np.linspace(0, 2, 1000) y = np.sin(2 * np.pi * (x - 0.01 * i)) line.set_data(x, y) return line, #绘制动画,frames帧数,interval周期行调用animate方法 ...
line.set_ydata(np.sin(x)) return line, ani = animation.FuncAnimation(fig=fig,func=animate , frames=100, init_func=init ,interval=20, blit=True) plt.show() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.
xlabel('x') ax2.set_ylabel('y') UF1 = UpdateFrame(ax1, "line", string="X = {...
line.set_ydata(plty) plt.pause(0.001) 功能是实现了,但没想到效率极其坑爹,8组数据+20帧的配置就拽不动了,有明显的滞后。鬼知道它这个pause是怎么实现的。。 下面是正解: 二.FuncAnimation类 实现高效动画的核心就是FuncAnimation类(需要导入matplotlib.animation),提供用于更新数据的update和获取帧数的frames即可...
import numpy as npfrom matplotlib import pyplot as pltfrom matplotlib.animation import FuncAnimationplt.style.use('seaborn-pastel')fig = plt.figure()ax = plt.axes(xlim=(0, 4), ylim=(-2, 2))line, = ax.plot([], [], lw=3)def init():line.set_data([], [])return line,def animate...