def lineSmoothOff(): canvas.glLineSmooth(False)
def lineSmoothOff(): canvas.glLineSmooth(False)
def lineSmoothOn(): canvas.glLineSmooth(True)
def lineSmoothOn(): canvas.glLineSmooth(True)
def lineSmoothOff(): canvas.glLineSmooth(False)
def lineSmoothOff(): canvas.glLineSmooth(False)
def lineSmoothOn(): canvas.glLineSmooth(True)
def lineSmoothOn(): canvas.glLineSmooth(True)