'**SUMMARY**
Draw all the points which are being tracked.
**PARAMETERS**
* *color* - Color of the point
* *radius* - Radius of the point
*thickness* - thickness of the circle point
**RETURNS**
Nothing
**EXAMPLE**
>>> track = LKTrack(image, bb, pts)
>>> track.drawTrackerPoints()'

def drawTrackerPoints(self, color=Color.GREEN, radius=1, thickness=1):

    if (type(self.pts) is not type(None)):
        for pt in self.pts:
            self.image.drawCircle(ctr=pt, rad=radius, thickness=thickness, color=color)
