Thanks Simone,

> the Extrema operation relies on the JAI extrema operation directly,
> therefore it does not account for NAN.
> We should probably replace it with Michael's operations.

yeah, something should be done, since like that it is quite unusable.
Even if not NaN people might want to know statistics of a map
considering their very own novalue number (ex many use -9999.0 for
environmental data).

Andrea




>
> Simone.
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>
> On Wed, Dec 2, 2009 at 8:57 AM, andrea antonello
> <[email protected]> wrote:
>> Hi, is it possible that the extrema operation:
>> OperationJAI op = new OperationJAI("Extrema");
>> doesn't consider NaN's? I.e. if there are any in the map, I get both
>> extrema == NaN?
>>
>> Andrea
>>
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