Add astro/fitsimage.py: FITS image manipulation tool

Replace fitsimgadd.py and fitsimgsub.py

1 files changed, 0 insertions, 55 deletions

diff --git a/astro/fits/fitsimgsub.py b/astro/fits/fitsimgsub.py
deleted file mode 100755
index cae0190..0000000
--- a/astro/fits/fitsimgsub.py
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (c) Weitian LI <weitian@aaronly.me>
-# MIT license
-#
-
-"""
-Subtract a FITS image by one or more FITS images of same shape.
-"""
-
-import os
-import sys
-import argparse
-
-from astropy.io import fits
-
-
-def main():
-    parser = argparse.ArgumentParser(
-        description="Subtract a FITS image by >=1 images of same shape")
-    parser.add_argument("-C", "--clobber", action="store_true",
-                        help="overwrite existing files")
-    parser.add_argument("-1", "--infile1", required=True,
-                        help="the FITS image from which to be subtracted")
-    parser.add_argument("-2", "--infile2", nargs="+",
-                        help="one or more FITS images to be subtracted by")
-    parser.add_argument("-o", "--outfile", required=True,
-                        help="filename of subtracted FITS image")
-    args = parser.parse_args()
-
-    if os.path.exists(args.outfile):
-        if args.clobber:
-            os.remove(args.outfile)
-            print("WARNING: removed existing output file: %s" % args.outfile)
-        else:
-            raise OSError("output file already exists: %s" % args.outfile)
-
-    with fits.open(args.infile1) as f:
-        image = f[0].data
-        header = f[0].header
-        print("Opened FITS image: %s" % args.infile1)
-        print("Image shape: %s" % str(list(reversed(image.shape))))
-
-    for fn in args.infile2:
-        print("Subtracting FITS image: %s ..." % fn)
-        image -= fits.open(fn)[0].data
-
-    header.add_history(" ".join(sys.argv))
-    hdu = fits.PrimaryHDU(data=image, header=header)
-    hdu.writeto(args.outfile)
-    print("Wrote subtracted FITS image to: %s" % args.outfile)
-
-
-if __name__ == "__main__":
-    main()