Stores the default knot option for the SPLINE command when specifying fit points.
| Type: | Integer | 
| Saved in: | Not-saved | 
| Initial value: | 0 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
| 
			  0  | 
			  Chord distance  | 
| 
			  1  | 
			  Square root of chord distance  | 
| 
			  2  | 
			  Uniform distance  |