[Auscope-geosciml] boo-boo in GeologicEvent

stephen richard steve.richard at azgs.az.gov
Fri Sep 25 08:00:28 EDT 2009

There was some uncertainty on my part yesterday as to whether TM_Period 
is the correct type for numericAgeDate. After studying the ISO 19108 
temporalSchema some more, I conclude its not; it only allows a time 
coordinate specified by a single number, no uncertainty. I recommend we 
change TM_Period to CGI_NumericRange; this is more consistent with the 
rest of the model, represents what we want better, and avoids another 
proxy for a GML3.2 element for v. 3 testing.


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