46. ‘Skala’ is an example of which of the following type of clipping? a) polygon clipping b) line clipping c) curve clipping d) point clipping
The correct choice is (b) line clipping The best explanation: Skala is a type of clipping operation which can be used for a line or line-segment clipping against a rectangular window, as well as against a convex polygon. Its algorithm is based on homogenous co-ordinates and duality.
