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matplotlib与panel结合的动态图
下面的例子显示了python动态图的做法，可以适用于其他图标，例如柱状图等。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #encoding=utf8import matplotlibimport wximport numpy as npmatplotlib.use('WXAgg')from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as FigureCanvasfrom matplotlib.figure import Figureimport threadingimport timeclass CpuInfoWindow(wx.Frame): def __init__(self): super(CpuInfoWindow,self).__init__(None,title='test',size=(600,600)) self.j = 0 #panel self.panel = wx.Panel(self) self.figure = Figure() self.axes = self.figure.add_subplot(111) self.canvas = FigureCanvas(self,-1,self.figure) self.axes.set_xlim(0,10) self.axes.set_ylim(-2,2) #ready all things #self.bg = self.canvas.copy_from_bbox(self.axes.bbox) self.x = np.arange(0,3.0,0.01) self.y = np.sin(2*np.pi*self.x) self.fg, = self.axes.plot(self.x,self.y) print(dir(self.axes)) #button timer = threading.Timer(1,self.draw) timer.start() def draw(self): #panel self.j=self.j+1 #self.canvas.restore_region(self.bg) self.axes.set_xlim(0+0.1*self.j,10+0.1*self.j) self.axes.set_ylim(-2,2) self.x = np.arange(0+0.1*self.j,3.0+0.1*self.j,0.01) self.y = np.sin(2*np.pi*self.x) self.fg.set_xdata(self.x) self.fg.set_ydata(self.y) self.canvas.draw() timer = threading.Timer(0.05,self.draw) timer.start()if __name__=="__main__": win = wx.App() cpu = CpuInfoWindow() cpu.Show() win.MainLoop() |
后记：Mac 安装matplotlib和wxpython后，出现一个小问题，Google之后解决
ImportError: No module named wxversion
解决方法：On OS X do not ever install python modules as root
python -m pip install --user --upgrade matplotlib
然后用IDLE启动python脚本
Feb. 22, 2018, 8:39 p.m. 作者：zachary 分类：python小站 阅读(2703) 评论(0)
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