Excerpts from Michael Bedward's message of Wed May 05 22:28:02 -0400 2010:
> Hi Nicholas,
> 
> > This works great except for when you query for a point that falls on one of 
> > the pixels directly
> > on the edge the tiff. The outermost pixels aren't considered to be inside 
> > the region. Pictures
> > make this much clearer: 
> > http://opentripplanner.org/attachment/ticket/163/bad_points.png and
> > http://opentripplanner.org/attachment/ticket/163/bad_points_zoom.png. The 
> > markers represent
> > the points that threw a PointOutsideCoverageException.
> 
> This effect is (I'm pretty sure) because the bilinear interpolation
> requires data for neighbouring cells that are beyond the edge of the
> image. In that sense it's a bit like doing a convolution where you
> will lose the outermost cells unless you buffer the input image.

Thanks for the suggestion, Michael. Someone else suggested that as well,
however, I removed the interpolation and those points still weren't included,
so I don't think that's the problem.

-Nick

> 
> I'm afraid I don't know what's happening with imagemosaic. Simone
> might be able to help you there.
> 
> Michael

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