Graphics Reference
In-Depth Information
2.6 THE ARC COMMAND
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The
Arc
command is used to draw circular arcs (the arc part of a circle).
Take a look at the following illustration:
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The information that AutoCAD recognizes about an arc includes:
Start point
Second point (not necessarily the midpoint)
Endpoint
Center point
Radius
Length of chord
Included angle (angle between
Start
,
Center
,
End
)
Direction (the tangent passes through the start point)
AutoCAD only needs three pieces of information to draw an arc, but not
just any three.
AutoCAD will start asking you to make your fi rst input, choosing either the
start point or the center point, and based on that choice it will ask you to
specify the second piece of information, and so on.
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