On Wed, 8 Jun 2011, Tim Jenness wrote:
> On Wed, Jun 8, 2011 at 4:43 AM, Colin Aspin <[log in to unmask]> wrote:
> HI All,
>
> I was wondering what algorithm gaia uses to decompress Rice
> compresses images. I ask because I downloaded some WFCAM
> multiframes and decompressed them manually using funpack but got
> an image covered with horizontal lines (see below). If I use
> gaia on the compressed image it displays just fine (also
> attached).
>
>
> I believe that GAIA just uses CFITSIO to do native decompression of FITS
> files.
Yes, that is true. I seem to recall that some early versions of CFITSIO
had issues with the RICE decompression algorithm, so maybe it's just a
version problem.
Peter.
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