[Setting Dialogue] command shows a dialogue to set object snap modes.
When checked, End Point snap mode is enabled.
When checked, Vertex snap mode is enabled.
When checked, Knot snap mode is enabled.
When checked, Center snap mode is enabled.
When checked, Near snap mode is enabled.
When checked, Grid Point snap mode is enabled.
When checked, Orth snap mode is enabled.
X YThe diameter of the pick aperture can be specified.
When checked, the cursor is limitted to on-line of a straight line that has the multiples of specified angle to the CPlane horizontal line. The angle's unit is degree.
When checked, the cursor is limitted within the specified distance against the previous point.