1
rx-axis (x, y) -->
(x, -y)
2
ry -axis (x, y) -->
(-x, y)
3
ry = x (x, y) -->
(y,x)
4
ry = -x (x, y) -->
(-y, -x)
5
rorigin (x, y) -->
or
rO
(-x, -y) use with reflection
6
Ta, b (x, y) -->
(x +a, y +b)
7
O,90 (x, y) -->
(-y, x)
8
RO,180 (x, y) -->
(-x, -y)
9
RO,270 (x, y) -->
(y, -x)