I fed Lookup a Group of Fields with the same structure as "input", and
I expected it to perform the same mapping operation on all Fields.  Instead
it yielded:

     Lookup: Error code not set:

If I Select(0) before lookup, the operation works on the first field.  So
it's reasonable to assume Lookup doesn't take Groups.

     Is this a feature or bug?  

     The docs say Lookup's input only takes "Field, string list, value, and
value list" so arguably it's the former, but the error message could be
more useful...

Randy

-- 
Randall Hopper (mailto:[EMAIL PROTECTED])
Lockheed Martin Operation Support
EPA Scientific Visualization Center
US EPA N127-01; RTP, NC 27711

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