gdal utm .sid to lat/long .geotiff

[Frank Warmerdam]

On Fri, 4 Feb 2005 18:28:22 +0100, joerg pfeiffer <superbla3000 at gmx.net> wrote:
> hello,
>
> I would like to convert a ETM+ Mosaic (250MB) from utm .sid to lat/long
> .geotiff to work with them in a mapserver map.
>
> So I downloaded the gdal FW tools for Windows, but it seems they cannot
> handle .sid.
>
> Then I tried the lizardtech mrsiddecode, but i canceled the conversion
> after 30 hours at 48%!

Yikes!   Were you working on a local file system?  Normally
mrsiddecode is reasonably fast.  I think it might be prudent
for you to decode the mosaic in "chunks".  I am pretty sure
there are mrsiddecode options for extracting subregions.

Best regards,
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