Perspective Practices, ContinuedCurves andcircles inperspective(Continued)Drawing curves and circles in two-point perspective is similar to drawing inone-point perspective except for the additional vanishing point.Figure shows the circle in two-point perspective.Figure 5-21.—The circle in two-pointperspective.Dividing linesSometimes you need to divide a line or area into a number of parts. The keyor recedingto most division of space problems in perspective is the vertical or horizontalarea into partsin perspectiveline parallel to the picture plane.To divide a receding plane into equal areas, use this table:StepAction1Divide the left vertical (AO) into equal parts with a ruler or scale.2From these points, draw lines to the vanishing point (figure 5-21,view A).3Draw a diagonal from point A to point (figure 5-21, view B).4Where the diagonal and receding lines intersect, draw vertical lines.This divides the receding plane into equal units.Continued on next page5-29

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