As David drives down a long straight road with his eyes focused on the steep cliff straight ahead, the entire landscape at the side of the car whizzes by in a blur and then disappears out the edges of his field of view. Only the point where David is heading remains stationary in his retinal image. This illustrates the depth cue of:

Question

Quizplus · Accepted Answer

Optic flow refers to the pattern of apparent motion of objects as an observer moves relative to them. In this scenario, the landscape moving past as David drives illustrates optic flow, where objects closer move faster across the field of view than those farther away, helping to perceive depth and motion direction.

As David Drives Down a Long Straight Road with His