From 24976855d7aaa60618669928803dae3bc2945daf Mon Sep 17 00:00:00 2001
From: tth <sigfood@dinorama.fr>
Date: Fri, 24 Jul 2020 14:23:02 +0200
Subject: [PATCH] no more upside-down

---
 funcs/fimg-fits.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/funcs/fimg-fits.c b/funcs/fimg-fits.c
index c46d92ab..542d9d70 100644
--- a/funcs/fimg-fits.c
+++ b/funcs/fimg-fits.c
@@ -16,7 +16,7 @@ extern int		verbosity;
 int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags)
 {
 fitsfile	*fptr;       		/* pointer to the FITS file */
-int		status, idx, sz;
+int		status, idx, k, sz;
 int		bitpix = FLOAT_IMG;
 
 long		naxis = 2;
@@ -44,8 +44,9 @@ if (verbosity) fimg_describe(src, "to be saved as fits");
 /* initialize pointers to the start of each row of the image */
 for( idx=0; idx<naxes[1]; idx++ ) {
 	/**** MAGIC CODE MUST COME HERE ****/
-	array[idx] = src->R + (idx*naxes[0]);
-	// fprintf(stderr, "   %6d   %p\n", idx, array[idx]);
+	k = naxes[1] - idx - 1;
+	array[idx] = src->R + (k*naxes[0]);
+	fprintf(stderr, "   %6d   %6d  %p\n", idx, k, array[idx]);
 	}
 
 if ( fits_create_img(fptr,  bitpix, naxis, naxes, &status) ) {