wxpython绘制折线图

environment：win10 + eclipse + pydev + python2.7.11 + wxpython3.0.2

code sample:

 1 #!/usr/bin/env python
 2 # -*- coding: UTF-8 -*-
 3  
 4 import wx
 5 import wx.lib.plot as plot
 6  
 7 class MyFrame(wx.Frame):
 8     def __init__(self):
 9         self.frame1 = wx.Frame(None, title="test", id=-1, size=(500, 300))
10         self.panel1 = wx.Panel(self.frame1)
11         self.panel1.SetBackgroundColour("white")
12  
13         Button1 = wx.Button(self.panel1, -1, "Update", (200,220))
14         Button1.Bind(wx.EVT_BUTTON, self.redraw)
15  
16         plotter = plot.PlotCanvas(self.panel1)
17         plotter.SetInitialSize(size=(500, 200))
18  
19         data= [[1, 10], [2, 5], [3,10], [4, 5]]
20         line= plot.PolyLine(data, colour='red', width=1)
21  
22         gc= plot.PlotGraphics([line], 'Test', 'x', 'y')
23         plotter.Draw(gc)
24  
25         self.frame1.Show(True)
26  
27  
28     def redraw(self, event):
29         plotter = plot.PlotCanvas(self.panel1)
30         plotter.SetInitialSize(size=(500, 200))
31  
32         data2= [[1, 20], [2, 15], [3,20], [4, -10]]
33         line= plot.PolyLine(data2, colour='red', width=1)
34  
35         gc= plot.PlotGraphics([line], 'Test', 'x', 'y')
36         plotter.Draw(gc)
37  
38 app = wx.PySimpleApp()
39 f = MyFrame()
40 app.MainLoop()

View Code

error 1:raise ImportError("NumPy not found. " + msg)

solution: run console with"cmd", and run 'pip install numpy'.

error 2:TypeError: Required argument 'type' (pos 2) not found

solution:that's A BUG with wx3.0.2!

patch the latest wx.lib.plot can totally solve that.

url:https://github.com/wxWidgets/wxPython/commit/30bc07d80ae1c81d70b4de2daac62ecd7996d703

now everything is fine!

转载注明出处：http://www.cnblogs.com/ityoung/

github: https://github.com/ityoung