[fitsbits] Version 1.0 of the nom.tam Java FITS library released
Rob Seaman
seaman at noao.edu
Tue Jun 10 16:59:43 EDT 2008
Hi Tom,
And when can we expect support for tile compression? :-)
Rob
---
On Jun 10, 2008, at 12:13 PM, Tom McGlynn wrote:
> I have just released a new version of the nom.tam FITS library at
> http://heasarc.gsfc.nasa.gov/docs/heasarc/fits/java/v1.0/
> This version has one significant change: support for .Z compressed
> images. I've decided that supporting this commonly used format
> was a big enough change to push the library to V1.0!
>
> Note the slight change in the location (v1.0 versus v0.9) from earlier
> releases. Please let me know if you have any issues or problems.
>
> Regards,
> Tom McGlynn
>
> Release 1.0
>
> - The major change to this release is support for .Z compressed
> images
> (at least on Unix platforms).
> This is implemented by invoking the uncompress command from
> within the Java code. Uncompress must be in the user's execution
> path.
> - There is much more dynamic checking of the magic number of inputs
> to determine whether the input to the FITS constructor is
> compressed
> or not, and if compressed what the compression type is.
> The user can still confuse the program if they specify an
> incorrect value for the compression flag but in many cases it will
> get the compression right regardless of what the user specifies.
> Future versions may completely ignore the user specified
> compression
> flag though it will be left in for compatibility.
> - A new CompressTester class tests reading both types of
> compressed files and also does a test of all of the non-trivial
> constructors for Fits objects.
> - Handling of string inputs to the Fits constructor is changed so
> that
> instead of looking for a specific set of scheme prefixes, a string
> is first tried out as a URL and then as a file.
> - Bug fix to BinaryTable by A. Kovacs
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