Appeal No. 95-4605
Application 08/076,285
corresponding to a structural element." For example, the user
may select the line and circle objects for the rectangular array
example, pages 121-22, sec. 5.2.7.1, or the circle with center
lines for the polar array example, page 124, sec. 5.2.7.2. Thus,
both HP-DESIGN and AutoCAD disclose replication of a group of
geometric elements corresponding to a structural element. In
HP-DESIGN the replication is done one at a time by a user whereas
AutoCAD provides for automatic replication a variable number of
times using a replication command.
The polar (circular) ARRAY command in AutoCAD (corresponding
to appellant's ROTATE replication command 43d in figure 8) has
parameters of the center point of the array (corresponding to the
CENTER POINT parameter 44b in figure 8), the number of items in
the array (corresponding to the REPEAT_FACTOR parameter 44a in
figure 8), and the angle between items in the array
(corresponding to the ANGLE parameter 44c in figure 8) (AutoCAD
alternatively allows a user to specify the angle to be filled
instead of the angle between items). Thus, the polar ARRAY
command in AutoCAD is a replication command having element
selection and replication parameters identical to appellant's
disclosed ROTATE replication command. The difference between the
subject matter of claim 1 and AutoCAD is that AutoCAD immediately
executes the replication command generated by the user, requiring
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