subpanel.py 文件源码

def UpdateImage(self, axis, position):
        object = self.object
        idx = position - 1
        if axis == 1:
            imagedata = numpy.array(object[idx,:,:])
        elif axis == 2:
            imagedata = numpy.array(object[:,idx,:])
        else:
            imagedata = numpy.array(object[:,:,idx])
        imagedata[imagedata < 1e-6] = 1.0
        imagedata = numpy.log(imagedata)
        imagedata = imagedata - imagedata.min()
        if imagedata.max() > 0:
            imagedata = (255.0/imagedata.max())*imagedata
        else:
            imagedata = 255.0*imagedata
        imagedatalow = numpy.uint8(imagedata)
        self.impil = Image.fromarray(imagedatalow, 'L').resize((self.sx,self.sy))
        if IsNotWX4():
            self.imwx = wx.EmptyImage( self.impil.size[0], self.impil.size[1] )
        else:
            self.imwx = wx.Image( self.impil.size[0], self.impil.size[1] )
        self.imwx.SetData( self.impil.convert( 'RGB' ).tobytes() )
        if IsNotWX4():
            bitmap = wx.BitmapFromImage(self.imwx)
        else:
            bitmap = wx.Bitmap(self.imwx)
        self.bmp = bitmap
        self.image.SetBitmap(bitmap)
        self.Refresh()
        self.Layout()