>
> I think that FeatureSchema instances would be local to the data source
> used to load the layer (e.g. file or database connection), within the
> scope of that names should be unique.
>   
Hmm...  seems to me this would then require all code that depended on 
name uniqueness to then be aware of the DataSource of the FeatureSchema 
- which isn't currently provided in the schema, and might be fiddly to 
check. 

Perhaps the data source could be used to generate a unique namespace (as 
a String).

Yup, this is getting complicated.

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022


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