On Wed 2003/10/22 11:38:28 MST, Stephen Walton wrote in a message to: Mark's announcement of WCSLIB 3.3 reminds me to ask a generic...

On Wed 2006/04/26 09:24:16 MST, Marshall Perrin wrote in a message to: WCS Paper I defines a 'STOKES' axis convention for...

On Wed, April 26, 2006 9:25 am, Malcolm J. Currie wrote: My preference was not to have a Stokes axis, because each element measures a different...

An important consideration is what will the recipients of your FITS files expect or can hasndle. If they're going to be using certain applications packages,...

On Wed 2006-04-26T09:24:16 -0700, Marshall Perrin hath writ: But first I need to actually be sure I understand what the standard is! So do we all. Paper...

On Wed 2006/07/19 09:47:45 -0400, Arnold Rots wrote in a message to: Mark Calabretta and copied to: Rob Seaman ,...

Mark, Sorry, I must have mixed my numbers up. I did it again and the difference is less stark: FITS binary table Uncompressed size: 49.7 MiB ...

On Wed 2006/07/19 07:44:15 MST, Rob Seaman wrote in a message to: 1) market penetration - gzip is a clear leader here I agree that 7zip...

One more issue: some images (I suspect largely empty but with subtle variations) compress much better when converted to integer. I had a recent case (working...

On Jul 18, 2006, at 9:05 PM, Mark Calabretta wrote: For the FITS binary table, 7zip is costly in CPU time for compression but beats gzip and bzip2...

I did a simple test using bzip2 for event files on Solaris. Sure, I got 15% savings over gzip and I'm not worried about the compression taking about twice as...

On Wed 2006/07/19 10:58:29 +1000, Mark Calabretta wrote in a message to: Rob Seaman and copied to: should not be...

On Tue 2006/07/18 16:42:28 MST, Rob Seaman wrote in a message to: I now mostly use bzip2 (GPL, bzip.org), it usually outperforms gzip...

On Wed 2006/07/12 12:23:53 MST, Rob Seaman wrote in a message to: 5) Note that I have not talked about compression algorithms at all. Has...

Rob Seaman wrote: updating an HDU does not necessarily update the checksums. Failing this, the checksum convention mandates that the CHECKSUM and DATASUM...

Randy Thompson writes: Are they any downloadable examples of FITS files which use the spectral WCS conventions proposed in paper III? I think it would be...

William Thompson wrote: Are there any sample files available demonstrating the use of pixel lists? There is one at...

Tom Kuiper wrote: OK, thanks. I haven't participated in one of these before and so I don't know the best way to proceed. I realize that no one might...

Greetings. On 2010 Aug 17, at 20:32, Eric Greisen wrote: Tom Kuiper wrote: The TELESCOP keyword is required in the extension header and its ...

For encoding irregular extraction areas, I recommand NOT using a list of polygon vertices, but rather an image, which is much more general and intuitive. So...