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AutoCAD and Its Applications—Advanced
The result is shown in Figure 8-14B. Notice that each successive row of seats is
situated on a higher plane. In more complex models, the
Levels
option can be used to
create multiple levels of rows.
NOTTE OT
The
Expression
option allows you to enter a mathematical expression
to calculate one of the array parameters. For example, you can enter
an expression to calculate the number of items, rows, or levels. The
Expression
option can also be used to defi the spacing between fine
rows and the incrementing elevation.
Exercise 8-6
Complete the exercise on the companion website.
www.g-wlearning.com/CAD
3D Path Arrays
A 3D path array is similar to a 2D path array. Objects can be arrayed along a
path or a segment of a path. The path, also called a path curve, can be a line, circle, arc, e
ellipse, spline, polyline, helix, or 3D polyline. See Figure 8-15. As with a 3D polar array,
Figure 8-15.
Examples of 3D path arrays used to array posts.
Arc
Line
Ellipse
Circle
Spline 3D Polyline Helix