Tim Jenness <[log in to unmask]> wrote:
> One alternative is to switch all C use of SLA to the SOFA
> library which looks very compatible but I'm not sure if the
> SOFA Software Licence is compliant with Debian
SOFA is definitely the way to go in the long term. The license
terms, though originally cautious, are now free and open, the
only restrictions being to prevent derived works masquerading as
IAU-approved. I have appended the current version: if there is
any residual conflict with the Debian requirements it is worth
opening a dialogue with the SOFA Board chair to see what can be
done.
SOFA is, as far as it goes, a public SLALIB. I drafted it all,
in make cases based on SLALIB, and valuable inputs from experts
on the SOFA Board (plus experience) means that on the whole it's
*better than* SLALIB. The C version is thread-safe, naturally.
If DS9 and/or Astlib need functionality not presently in SOFA,
ask me and I might be able to write something to fill the gap.
Patrick Wallace
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**
** Copyright (C) 2012
** Standards Of Fundamental Astronomy Board
** of the International Astronomical Union.
**
** =====================
** SOFA Software License
** =====================
**
** NOTICE TO USER:
**
** BY USING THIS SOFTWARE YOU ACCEPT THE FOLLOWING TERMS AND CONDITIONS
** WHICH APPLY TO ITS USE.
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** 1. The Software is owned by the IAU SOFA Board ("SOFA").
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** 2. Permission is granted to anyone to use the SOFA software for any
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** a) Your work shall be marked or carry a statement that it
** (i) uses routines and computations derived by you from
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** b) The source code of your derived work must contain descriptions
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** from the original SOFA software.
**
** c) The name(s) of all routine(s) in your derived work shall not
** include the prefix "iau".
**
** d) The origin of the SOFA components of your derived work must
** not be misrepresented; you must not claim that you wrote the
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** e) These requirements must be reproduced intact in any source
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** Note that, as originally distributed, the SOFA software is
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