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Unit 10: Clipping II
The figure 10.8 depicts perspective foreshortening.
Figure 10.8 Perspective Foreshortening
View Plane
Y
C (0, 0,-d)
A B Z
2. Vanishing Points: Vanishing points are the projections of lines that are not perpendicular to the
view plane but appear to meet at a point on the view plane. As in figure 10.9, the projections L1’
and L2’ of lines L1 and L2 respectively appear to meet at the origin ‘O’.
An illusion that railroad tracks meet at a point on the horizon forms a good
example of vanishing points perspective anomaly.
Figure 10.9 Vanishing Points
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