Specifying How Arcs and Circles are Represented
- Last UpdatedNov 24, 2025
- 1 minute read
Most plotters are unable to plot true circular arcs and instead represent them by a series of straight lines (chords). The more chords used, the closer the approximation to a true arc.
By default, a complete circle is represented in a plot by 90 chords.
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To specify a different representation, use the following option:
ARCSize integer
Where: integer = The number of chords per complete circle. This must be in the range 12 to 175.
For example, ARCS 120 will plot smoother arcs than the default setting; ARCS 25 will plot less smooth arcs, but will reduce the plotting time.