statistic_plg.py 文件源码

def gray(self, hist):
        panel = wx.Panel( self, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.TAB_TRAVERSAL )
        back = wx.BoxSizer( wx.VERTICAL )
        back.Add(panel, 1, wx.EXPAND)
        sizer = wx.BoxSizer( wx.VERTICAL )
        histc = HistCanvas(panel)
        histc.set_hist(hist)
        txt = wx.StaticText( panel, wx.ID_ANY, 'Channel:'+'Gray', wx.DefaultPosition, wx.DefaultSize, 0 )
        sizer.Add( txt, 0, wx.LEFT|wx.RIGHT, 8 )
        sizer.Add( histc, 0, wx.LEFT|wx.RIGHT, 8 )
        mean, lim = np.dot(hist, range(256))/hist.sum(), np.where(hist>0)[0]
        sta = 'Statistic:   Mean:%s   Min:%s   Max:%s'%(mean.round(1), lim.min(), lim.max())
        txt = wx.StaticText( panel, wx.ID_ANY, sta, wx.DefaultPosition, wx.DefaultSize, 0 )
        sizer.Add( txt, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM, 8 )
        panel.SetSizer( sizer )
        self.SetSizer(back)
        self.Fit()