Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 21
ding the well-known foreshortening effect of distance.This foreshortening (see Fig. 4) is due to the variation betweenthe visual angles a and a. Its effect is to reduce remote partsand to crowd the details there. It complicates the making andreading of the drawings. Consequently, perspective… … FiQ. 5 Perspective. same size are so represented in the drawing. This destroys thepictorial effect, but it makes the drawing more useful for struc-tural purposes. Although there are several methods of pro-jection drawing, only thetwo most usual ones (ortho-graphic and isometric), willbe considered…
Geometry, Descriptive
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