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我正在使用底图和matplotlib的wx gui。我有两个面板(左/右)。我在右图中绘制了美国的地图。这与下面的代码没有问题:wxpython和更新面板中的matplotlib图
# Setup the Map for Display
self.figure = Figure(None,dpi=75)
self.canvas = FigureCanvas(self.MapPage, -1, self.figure)
self.axes = self.figure.add_axes([0,0,1,1],frameon=False)
self.SetColor((255,255,255))
#Sizer for Map Page Right Panel (Map Display)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.canvas, 1, wx.EXPAND | wx.ALL)
self.MapPage.SetSizer(sizer)
# Plot the Map
self.map = Basemap(llcrnrlon=-119, llcrnrlat=22, urcrnrlon=-64,
urcrnrlat=49, projection='lcc', lat_1=33, lat_2=45,
lon_0=-95, resolution='i', area_thresh=10000,ax=self.axes)
self.map.drawcoastlines()
self.map.drawcountries()
self.map.drawstates()
这工程就像一个魅力。但是,最后在代码中,我想将地图更改为只显示区域。这是我遇到问题的地方。目前,我正在这样做:
# Clear the previous figure
self.figure.clf()
self.figure.canvas.draw()
# Setup for the NEW Map to Display
self.figure = Figure(None,dpi=75)
self.canvas = FigureCanvas(self.MapPage, -1, self.figure)
self.axes = self.figure.add_axes([0,0,1,1],frameon=False)
self.SetColor((255,255,255))
#Sizer for NEW Map Page Right Panel (Map Display)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.canvas, 1, wx.EXPAND | wx.ALL)
self.MapPage.SetSizer(sizer)
# Plot the NEW Map
self.map = Basemap(llcrnrlon=newlong1, llcrnrlat=newlat1, urcrnrlon=newlong2,
urcrnrlat=newlat2, projection='lcc', lat_0=maplat,
lon_0=maplon, resolution='i', area_thresh=10000,ax=self.axes)
self.map.drawcoastlines()
self.map.drawcountries()
self.map.drawstates()
此代码设法清除我的右侧面板并显示新的地图;但是,这张新地图只位于面板的左上角。它不再延伸整个面板。任何想法,为什么这是?或者,有没有更好的方法让我清除底图在同一个面板中绘制一个新的?
任何帮助,将不胜感激!谢谢!
我认为您不需要重新创建Figure&FigureCanvas对象。尝试注释掉这两行。 – HYRY 2012-08-09 00:27:33
就是这样!我一直把头撞在墙上,所以谢谢! – mcfly 2012-08-09 00:42:13