Acquire the perspective transformation onto z = - 2 Plane, where (0, 0, 18) is the center of projection.
Solution: Now centre of projection, C (a, b, c) = (0, 0, 18)
∴ (n_{1}, n_{2}, n_{3}) = (0, 0, 1)
And Reference point is R_{0} (x_{0}, y_{0}, z_{0}) = (0, 0, - 2)
∴ d_{0} = (n_{1}x_{0} + n_{2}.y_{0} + n_{3}z_{0}) = - 2
d_{1} = (n_{1}.a + n_{2}.b + n_{3}. c) = 18
We know here the general perspective transformation while cop is not at the origin is specified by: