'**SUMMARY**
Draw a small circle around the corner.  Color tuple is single parameter, default is Red.
**PARAMETERS**
* *color* - An RGB color triplet.
* *width* - if width is less than zero we draw the feature filled in, otherwise we draw the
contour using the specified width.
**RETURNS**
Nothing - this is an inplace operation that modifies the source images drawing layer.'

def draw(self, color=(255, 0, 0), width=1):

    self.image.drawCircle((self.x, self.y), 4, color, width)
