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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Rob, > Should I email you straight on or send items to the support address? Keep replying to the same address. I'll start a new thread if and when I learn how. > Still breaking down the elements of the schema. > > I was hoping to write a script to pull out all the root records from the > UDUNITS2 database and link them up with the aliases that would be > pertinent to the data currently being requested from us and with > information available from NDBC and COOPS. I'm wondering if XSLT could help. > <gml:definitionMember > > <gml:UnitDefinition gml:id="psu"> > <gml:description>Conventional practical salinity > units.</gml:description> > <gml:identifier > codeSpace="http://ndg.nerc.ac.uk/units";>practical_salinity_units</gml:identifier> > <gml:name>practical salinity units</gml:name> > <gml:quantityType>sea water salinity</gml:quantityType> > <gml:catalogSymbol > codeSpace="http://ndg.nerc.ac.uk/units";>psu</gml:catalogSymbol> > </gml:UnitDefinition> > </gml:definitionMember> > > Does Unidata have a codeSpace for Udunits? What's a "codeSpace"? Do you have a URL? > This is the definition for Celsius in udunits2-common.xml: > > <unit> > <def>degree_Celsius</def> > <aliases> > <symbol>℃</symbol> <!-- DEGREE CELSIUS --> > <name> <singular>celsius</singular> </name> > <name> > <singular>degree_C</singular> > <plural>degrees_C</plural> > </name> > <name> > <singular>degreeC</singular> > <plural>degreesC</plural> > </name> > <name> > <singular>deg_C</singular> > <plural>degs_C</plural> > </name> > <name> > <singular>degC</singular> > <plural>degsC</plural> > </name> > </aliases> > </unit> > > A proposed definitionMember record might be: > > <gml:definitionMember > > <gml:UnitDefinition gml:id="degree_Celsius"> > <gml:description>degrees Celsius</gml:description> > <gml:identifier > codeSpace="http://www.unidata....";>degree_Celsius</gml:identifier> > <gml:name>degree_C</gml:name> > <gml:name>degrees_C</gml:name> > ... many aliases ... > <gml:quantityType>?</gml:quantityType> > <gml:catalogSymbol > codeSpace="http://www.unidata....";>℃</gml:catalogSymbol> > </gml:UnitDefinition> > </gml:definitionMember> > > I think the <gml:names> are where all the aliases can be listed. Not > sure what quantityType is about... need to look that up again. > > I am grasping at straws here and there. > > What I am trying to head off is the currently ambiguous definition of > Celsius in the NDBC SOS service: > > http://sdf.ndbc.noaa.gov/sos/server.php?request=GetObservation&service=SOS&offering=urn:x-noaa:def:station:noaa.nws.ndbc::41012&observedproperty=watertemperature&responseformat=text/xml;schema=%22ioos/0.6.1%22 > > The data line that will eventually validate against that schema will be: > > <ioos:Quantity name="WaterTemperature" uom="C">23.70</ioos:Quantity> > > You have: C > You want: degF > /usr/local/udunits/bin/udunits: Units are incompatible Yeah, I see what you mean. "C" isn't all that ambiguous: it's the internationally recognized symbol for coulombs. > So, what I think will happen is I can put together a proposed file of > unitsOfMeasureDictionary.xml and forward that to the support email for > review? If it seems ok, I can then propose it back to Jeff DLB to update > the standard. Sounds good. > Rob > -- > Alaska Ocean Observing System > Data Manager > 907-474-7948 Regards, Steve Emmerson Ticket Details =================== Ticket ID: ENF-483170 Department: Support UDUNITS Priority: Normal Status: Closed