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From "Martin Desruisseaux (JIRA)" <>
Subject [jira] [Created] (SIS-128) Implements the org.unitsofmeasurement interfaces
Date Wed, 21 Aug 2013 15:24:52 GMT
Martin Desruisseaux created SIS-128:

             Summary: Implements the org.unitsofmeasurement interfaces
                 Key: SIS-128
             Project: Spatial Information Systems
          Issue Type: Improvement
          Components: Utilities
    Affects Versions: 0.3
            Reporter: Martin Desruisseaux

We needs an implementation of {{org.unitsofmeasurement.Unit}} to be used as a replacement
of JSR-275. This is needed since the JSR-275 specification attempt has been rejected. Some
existing implementations exist, especially the UOMo and JScience projects, but we also have
some legacy classes that we could refactor. A possible advantage of the later approach is
that we have to support some rather particular Unit, like the one used in NetCDF files (e.g.
"degrees_east"), which may be easier in a custom implementation.

Some useful links:

* - the interfaces that we would have
to implement.
* - Quantities, Units, Dimensions and Data Types in OWL and XML (ontology).
* - apparently the same than above.
* - OGC Best Practice for specifying
UoM in an OGC standard.
- a dictionary of unit symbols related to OGC standards.
* - UCUM, a text format for units.
* - A Java script project derived from JSR-275.
* - Open Source Initiative for Scientific Development
* - JScience, one of available implementations.
* - an other implementation.

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