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DataImpl Arithmetic


Greetings!
What are the rules regarding arithmetic with DataImpls? Do they need to be of the same type? 
I.e., can I only do FlatField ff = (FlatField) old_ff.multiply(other_ff)

I'm having some trouble creating (essentially scaling) a set by a constant.

I'm trying the following:

Linear1DSet alt_set = new Linear1DSet(altitude,
                                         alt_map.getRange()[0],
                                         alt_map.getRange()[1],
                                         100);
Linear1DSet refr_set = (Linear1DSet)alt_set.multiply( new Real((4.0/3.0)*CURVE) ); 

And I get a runtime error at the above line that reads:

Exception in thread "main" visad.UnimplementedException: SetType.binary

Thanks for your help with this trivial problem!

-kevin.


--
+------------------------------------------------------------+
Kevin L. Manross        [KD5MYD] <><          (405)-366-0557
CIMMS Research Associate               kevin.manross@xxxxxxxx
[NSSL-WRDD/SWATN]           http://www.cimms.ou.edu/~kmanross

"My opinions are my own and not representative of CIMMS, NSSL,
NOAA or any affiliates"
+------------------------------------------------------------+

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