Removes duplicate or overlapping lines, arcs, and polylines. Also, combines partially overlapping or contiguous ones. 
The following prompts are displayed. 
- Select objects
 
- Specifies the objects that you want to modify.
 
- Ignore
 
- 
Ignores one or more of the following properties during object comparison. 
- None 
 
- All 
 
- Color 
 
- LAyer 
 
- Ltype 
 
- Ltscale 
 
- LWeight 
 
- Thickness 
 
- TRansparency 
 
- plotStyle 
 
- Material 
 
 
- Tolerance
 
- 
Defines the value within which OVERKILL makes numeric comparisons for determining object duplication. 
 
- Optimize polylines
 
- 
-  Segment width. Ignores polyline segment width 
 
-  Break polyline. Maintains polylines when optimizing polyline segments 
 
-  Yes. Enabled by default. Honors polylines as discreet objects and deletes non-polyline objects that overlap polylines. 
 
-  No. Forces OVERKILL to examine polyline segments individually. Polyline segments may be deleted as duplicates of non-polyline objects. 
 
 
- Combine Partial Overlap
 
- 
Overlapping objects area combined into single objects. 
 
- Combine End to End
 
- 
Objects that have common endpoints are combined into single objects. 
 
- Associativity
 
- 
Associative objects are not deleted or modified.