Hi Jeff,
The ChangeDetector outputs changed features through the NEW port. The 
original feature is output through the DELETED port. ie a feature is 
not updated, just deleted and replaced.

You could follow this up with some other transformers to help clarify 
the position - eg use a Matcher to see if a NEW feature ID matches a 
DELETED feature ID, if so it must be an edit not an addition - but I 
think it would be an excellent idea to have a transformer that could 
do this in one go. I'll suggest this to the developers - but also to 
Dmitri who is our Custom Transformers wiz. We might be able to create 
a custom transformer that does what you need.

Hope this helps,

Mark

Mark Ireland, Product Support Engineer
Safe Software Inc. Surrey, BC, CANADA
[EMAIL PROTECTED] http://www.safe.com
Solutions for Spatial Data Translation, Distribution and Access

--- In [email protected], Jeff Konnen <[EMAIL PROTECTED]> wrote:
>
> Hi!
> 
> I've got a question/proposal concerning the ChangeDetector:
> 
> I would like to use the ChangeDetector to compare two datasets and 
to
> generate an incremental post for a geodatabase.
> 
> I would need to know which data was
> 
> - UNCHANGED
> - ADDED (NEW)
> - DELETED
> - UPDATED
> 
> Unfortunately, the ChangeDetector only gives me "UNCHANGED","ADDED",
> "DELETED", but not UPDATED.
> 
> We would need the possibility to define a UNIQUE Feature ID Field, 
which is
> used to compare the ORIGINAL and REVISED data.
> 
> Is there someone who could give me some best practice indications 
for this?
> 
> I think an extension of the Transfomer would be appreciated by many 
people.
> 
> Greetings,
> Jeff Konnen
> GIS Analyst
> ___________________________________________________
> *INSER SA. **Mapping your business.*          http://www.inser.ch
>






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