Kirby Bohling a écrit :
> That bug report doesn't appear to match my reality. I couldn't find RADIANS
> in any NonSI classes (I checked the units.jar from sourceforge, the jsr108
> from the 2.2.0 binary release, and the latest JScience release). It was in
> a SI in all three when I went looking. Maybe I missed something.
Yes, maybe there is a typo in the bug report. RADIANS is in the SI class, and
DEGREE_ANGLE is in NonSI class in JSR-108. Not sure where they live in JSR-275.
> Does anyone have any hints on what it would take to rebuild the 2.2.0
> release with JScience, and a possible list of cavets I'd have to worry about?
It may be relatively straightforward. Maybe some constants moved around between
SI, NonSI or other classes, but I guess that there is few of them. One canvas
is
that, if my memory serve me right, There is something like Unit.convert(Unit)
method which behave like a "getConverterFrom" method, while JScience provides a
"getConverterTo" method. So "A.getConverterFrom(B)" need to be changed to
"A.getConverterTo(B)" (or maybe the opposite - I need to check).
> I believe both have implementations of GeoAPI things, which is my
> only other major concern.
I don't think that we are going to have any conflict here, since JScience's
implementation lives in a different package. Quite the opposite, you can choose
and mix implementations in your program, and see if interoperability work :).
I will post an email on Geotools developer list in order to see if we can get a
plan for JSR-275 migration. The blocker issue is of course J2SE 1.4
compatibility.
In the short term, recent discussion on JSR-275 mailing list suggest to move
"javax.units" to "javax.measure.units" package, as well as "javax.quantity" to
"javax.measure.quantity" in order to have a common root "javax.measure" for
both
of them. If this change is applied, we would not have conflict anymore between
JSR-275 and JSR-108 (until GeoAPI itself switch to JSR-275).
Martin.
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