Hi Martin,

Your example, below, made me remember an interesting paper on a novel
method of interpolating missing data in raster images which might be
useful if you haven't seen it:

http://sprott.physics.wisc.edu/pubs/paper276.htm

Michael

On Thu, Jun 12, 2008 at 12:50 AM, Martin Desruisseaux
<[EMAIL PROTECTED]> wrote:
>
> Then everytime an evaluate method is invoked, GeoTools will tries the bicubic
> interpolation first. If it get NaN, then it tried bilinear interpolation 
> (which
> requires less pixels, so less chances that one of those pixels has a NaN 
> value).
> If the later produced NaN as well, then if fallback on last resort to nearest
> neighboard. This fallback mechanism is useful for coverage like "sea surface
> temperature" with lot of "nodata values" (typically clouds), and we want to
> interpolate only when it will not cause a lost of data.
>
>        Martin

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