Am Fr, 2. Oktober 2009 schrieb Holger Schöner:
> On Thu, 1 Oct 2009, Adam Ratcliffe wrote:
> > With further experimentation it seems that 32767 does seem to be the
> > correct value for the -srcnodata option.  I've also found that if I
> > omit the -dstnodata option from the gdalwarp command the black holes do
> > not appear, presumably because the void data is then not included in
> > the reprojected image.
>
> Thanks for working this out! Maybe you can correct the wiki page?

Thanks for improving it!

> I will try out your suggestions in a few days myself (and might update
> the page afterwards, if you have not done so then) ...

I tried it out, and I can confirm that the void handling is improved by 
leaving out the -dstnodata option. Of course, artefacts are still to be seen 
(at least in hill-shaded and relief-colored results, that is what I tested), 
but they are less striking.
-- 
Holger Schoener         [email protected]
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