Keypoint Curve Tools > Circular Arc
This tool enables you to specify a circle by first placing its center point, and then clicking to indicate a point that lies on the curve.
Circle Options
Segments
Specifies the number of segments you want to create in the circle. After creating the segments, open the information window to edit the attribute values for each segment.
Degree
Specifies the degree of the curve. The values range from 2 to 7. The default is 6.
Spans
Specifies the number of spans in the curve. The values range from 1 to 14. The default is 1.
Note:
The sum of the degree and number of spans cannot exceed 16. When creating rational geometry, as set in Preferences > Construction Options
, the Spans option is not available.