Arno Riffeser and me jointly developed the first implementation of
the WeCAPP reduction pipeline.
While this pipeline is still being improved, many of the small
programs might prove useful to other people who want to modify FITS
files from a shell command line or have some tools which propagate
errors along with image manipulation or simply have some coding
examples for the
(little template library by Niv Drory, Claus Gössl, Jan
Error propagation and high computational & I/O performance. That's what my FITSTools are all about. If you need a starter on why and how propagate errors in image reduction have a look at 2002A+A381.1095G.pdf and P4.4.pdf. If you are more interested in the implementation techniques read this contribution to the ADASS 2003 conference.
To build the FITSTools you first need to get, build, and install the latest (July 2019) LTL stable branch version. So follow the previous link, download the sources, and try ...
tar xvzf ltl-2.0.22.tar.gz cd ltl-2.0.22 ./configure --prefix=$HOME make make check make install
If that doesn't work, it's probably because you have an "outdated" C++ compiler. This newer version of the LTL already supports FITSFiles > 2GB, FITS image extensions, memory mapped arrays, FITS WCS etc. But some of those features are still in testing. With a working LTL you can now download the FITSTools sources (July 2019) and untar, configure and make / make install them just like the LTL. Don't forget to add the paths to the LTL includes and libs!
tar xvzf fitstools-2.3.tar.gz cd fitstools-2.3 ./configure --with-ltl=$HOME --prefix=$HOME make make installYou might need to specify where to find (and install beforehand) libjpeg (see ./configure --help for specifics).
See the effects neglected by simple error estimates when processing images. One hour light in R2 filter band at Wendelstein 0.8 m telescope:
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Last revision: August, 2019