'**SUMMARY**
This is the height, in pixels, of the minimum bounding rectangle.
**RETURNS**
An integer that is the height of the minimum bounding rectangle for this blob.
**EXAMPLE**
>>> img = Image("lenna")
>>> blobs = img.findBlobs()
>>> print blobs[-1].minRectHeight()'

def minRectHeight(self):

    return self.mMinRectangle[1][1]
