Question:
(a) By making use of an example, explain the Cohen-Sutherland line clipping algorithm.
(b) Compare and contrast between the CMY and RGB colour models.
(c) Explain the concepts of ambient light and diffuse reflection in the basic illumination model.
(d) Explain the three conditions associated with the depth sorting method of visible surface detection where no reordering would be necessary.
(e) By making use of an example, explain how pixel masks may be used to dashed lines?