def draw(self):
dth = math.pi/64
x = 200
y = 200
for i in range(0,64):
th = maps.slotToTheta(i)+math.pi
self.canvas.create_line(x,y,x+150.*math.sin(th+dth), y+150.*math.cos(th+dth), fill="white", tag="axis")
self.canvas.create_line(x,y,x+150.*math.sin(th-dth), y+150.*math.cos(th-dth), fill="white", tag="axis")
for r in [50,100,150]:
self.canvas.create_line(x+r*math.sin(th-dth), y+r*math.cos(th-dth), x+r*math.sin(th+dth), y+r*math.cos(th+dth), fill="white", tag="axis")
"""
def update(self):
dth = (math.pi/64)*.9
x = 200
y = 200
self.canvas.delete("plot")
for i in range(0,64):
th = maps.slotToTheta(i)+math.pi
r = sonarWorld[i][0]/2.
v = sonarWorld[i][1]/2.
self.canvas.create_line(x+r*math.sin(th-dth), y+r*math.cos(th-dth),
x+r*math.sin(th+dth), y+r*math.cos(th+dth), fill="blue", tag="plot")
self.canvas.create_line(x+(r-v)*math.sin(th), y+(r-v)*math.cos(th),
x+(r+v)*math.sin(th), y+(r+v)*math.cos(th), fill="blue", tag="plot")
"""
self.canvas.create_arc(x-r, y-r, x+r, y+r,
start=math.degrees(th-dth), extent=math.degrees(2.*dth),
fill="blue", tag="plot")
"""
"""