01/23/2003
15-462 Graphics I
30
Rotation About a Fixed Point
•
First, translate to the origin
•
Second, rotate about the origin
•
Third, translate back
•
To rotate by
q
about z around
p
f
M
=
T
(
p
f
)
R
z
(
q
)
T
(-
p
f
) = ...
