Controls how islands within new hatch boundaries are treated in this session.
| Type: | Integer | 
| Saved in: | Not-saved | 
| Initial value: | 1 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  Normal. Hatches islands within islands.  | 
|  
			  1  | 
 
			  Outer. Hatches only areas outside of islands.  | 
|  
			  2  | 
 
			  Ignore. Hatches everything within the boundaries.  | 
An island is an enclosed area within the area to be hatched.