Controls whether layer and spatial indexes are created and saved in drawing files.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 0 | 
To receive the maximum benefit of demand loading, it is recommended that you save any drawings that are used as xrefs with layer and spatial indexes.
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  No indexes are created  | 
|  
			  1  | 
 
			  Layer index is created  | 
|  
			  2  | 
 
			  Spatial index is created  | 
|  
			  3  | 
 
			  Layer and spatial indexes are created  |