Specifies whether optimized 2D polylines are used.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 2 | 
PLINETYPE controls both the creation of new polylines with the PLINE command and the conversion of existing polylines in drawings from previous releases.
| Value | Description | 
|---|---|
| 0 | Polylines in older drawings are not converted when opened; PLINE creates old-format polylines | 
| 1 | Polylines in older drawings are not converted when opened; PLINE creates optimized polylines | 
| 2 | Polylines in AutoCAD Release 14 or older drawings are converted when opened; PLINE creates optimized polylines | 
PLINETYPE also controls the polyline type created with the following commands: BOUNDARY (when object type is set to Polyline), DONUT, PEDIT (when selecting a line or arc), POLYGON, and SKETCH (when SKPOLY is set to 1). For more information about the two formats, see the CONVERT command.