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

def minRectWidth(self):

    return self.mMinRectangle[1][0]
