Perspective Practices, Continued
Distortion
Distorted images appear when the object being drawn is too high or too low
below the horizon line. Distortion also occurs when the station point is too
close to the object. Moving the station point is the easiest and most used
method for correcting distortion.
Figure 5-18 illustrates distortion caused by incorrect object placement.
Figure 5-18.—Distortion caused by: A. Object placement too high, and
B. Object placement too low in relation to the horizon line.
Measurements
All lines in the picture plane are shown in true length. All lines behind the
in perspective
picture plane are foreshortened. All lines and shapes parallel to the picture
plane are shown in true size and shape.
Continued on next page
5-24
