'**SUMMARY**
Vertically mirror an image.
.. Warning::
Note that flip does not mean rotate 180 degrees! The two are different.
**RETURNS**
The flipped SimpleCV image.
**EXAMPLE**
>>> img = Image("lenna")
>>> upsidedown = img.flipHorizontal()
**SEE ALSO**
:py:meth:`rotate`
:py:meth:`flipHorizontal`'

def flipVertical(self):

    newimg = self.getEmpty()
    cv.Flip(self.getBitmap(), newimg, 0)
    return Image(newimg, colorSpace=self._colorSpace)
