Choosing a spatial reference based on a field
The spatial reference updates the coordinate system based on the location of the area of interest (AOI) feature. You can use a field in the AOI data source feature class that contains a code that can be used to set the coordinate system.
Étapes :
- 
				Click Select from Field.
				 
- 
				Click the Field drop-down arrow and choose a field to use as the basis for the spatial reference.
				 Remarque : Remarque :The field must be populated with the factory codes for the coordinate systems you want to use. 
- 
				Click Next.
				The Buffer dialog box appears. 
- Proceed to one of the following:
9/22/2010