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[gnuastro-commits] master 0832896: Library (fits.h): notice for HDU coun
From: |
Mohammad Akhlaghi |
Subject: |
[gnuastro-commits] master 0832896: Library (fits.h): notice for HDU counting starting from 0 in message |
Date: |
Mon, 25 Oct 2021 07:42:03 -0400 (EDT) |
branch: master
commit 08328963a7eee234e22b949f7ba0ffd9c46c8358
Author: Mohammad Akhlaghi <mohammad@akhlaghi.org>
Commit: Mohammad Akhlaghi <mohammad@akhlaghi.org>
Library (fits.h): notice for HDU counting starting from 0 in message
Until now, when the 'gal_fits_hdu_open' library function couldn't find the
requested HDU in the given FITS file, its error message didn't contain any
reference to the fact that HDU counting in Gnuastro starts from 0
(following CFITSIO), not 1. This could cause confusions.
With this commit, at the end of the error message, a sentence has been
added to describe this special (counter-intuitive) situation.
This was added after a fruiteful discussion with Peter Teuben during ADASS.
---
THANKS | 1 +
doc/announce-acknowledge.txt | 1 +
lib/fits.c | 6 ++++--
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/THANKS b/THANKS
index d3b516c..c183bb8 100644
--- a/THANKS
+++ b/THANKS
@@ -106,6 +106,7 @@ support in Gnuastro. The list is ordered alphabetically (by
family name).
Vincenzo Testa vincenzo.testa@inaf.it
Éric Thiébaut eric.thiebaut@univ-lyon1.fr
Ignacio Trujillo trujillo@iac.es
+ Peter Teuben teuben@umd.edu
David Valls-Gabaud david.valls-gabaud@obspm.fr
Aaron Watkins aaron.watkins@oulu.fi
Richard Wilbur richard.wilbur@gmail.com
diff --git a/doc/announce-acknowledge.txt b/doc/announce-acknowledge.txt
index 74645fe..0b3905d 100644
--- a/doc/announce-acknowledge.txt
+++ b/doc/announce-acknowledge.txt
@@ -2,6 +2,7 @@ Alphabetically ordered list to acknowledge in the next release.
Sepideh Eskandarlou
Sebastian Luna-Valero
+Peter Teuben
diff --git a/lib/fits.c b/lib/fits.c
index 273eaa5..329a1bf 100644
--- a/lib/fits.c
+++ b/lib/fits.c
@@ -865,8 +865,10 @@ gal_fits_hdu_open(char *filename, char *hdu, int iomode)
" $ astfits %s\n\n"
"The respective HDU number (or name, when present) may be used "
"with the '--hdu' option in Gnuastro's programs (or the 'hdu' "
- "argument in Gnuastro's libraries) to open the respective HDU.",
- filename, hdu, filename, filename);
+ "argument in Gnuastro's libraries) to open the respective HDU. "
+ "If you are using counters/numbers to identify your HDUs, note "
+ "that since Gnuastro uses CFITSIO for FITS input/output, HDU "
+ "counting starts from 0", filename, hdu, filename, filename);
}
/* Clean up and the pointer. */
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