e. Points. Projection theory is the study of how to transfer information from one orthographic view to another. Often, two views of an object may be visualized, or parts of each view may be drawn, but the completed drawing remains unclear. Projection theory enables the bits and pieces to be used together to arrive at a finished drawing.
Reduced to its simplest form, projection theory may be used to transfer a single point from one view to another. Figure 6 presents the problem of finding the right side view of a point where the front and top views are given.
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