[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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