[Gvsig_english] Field Calculator: look for an expression saved in a file

[iaborsi]

Hi,
I'm quite new with gvSIG.
This is my question.
I wish to write a specific "expression" as Python script, to be used  
in the Field Calculator (after starting an editing session).
Reading through the Manual, I see that it is possible just saving this  
script in a Python file and uploading it from the appropriate box:  
Field Calculator > Advanced tab.
I've done it, also using some dummy script, but it doesn't work.
Can anybody post some explicit example of using this feature?
Thanks a lot
Iacopo

-- 
Iacopo Borsi
Dipartimento di Matematica U.Dini
Università di Firenze.
V.le Morgagni 67/A
50134 Firenze - Italy
Tel. +39.0554237147
Fax. +39.0554237133
e-mail borsi at math.unifi.i
Web:   http://web.math.unifi.it/users/borsi
http://sidgrid.isti.cnr.it


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