I edit my previous message, as I mean No Data rather than Null values

On Thu, Nov 27, 2014 at 3:49 PM, Agustin Lobo <[email protected]> wrote:
> is there a way to define a NoData value in the images so that those values
> are ignored in the computations? In the case of FineRegistration it looks
> like I get wrong results near the edges  of the image because one of the 
> images
> has null (which I represent as 0 in the tiff) values in one of the edges.
> Is defining the NoData value in the tiff sufficient? I guess not
> according to what I'm seeing, but i might be wrong.
>
> Agus

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