diff options
Diffstat (limited to 'wcsutil/headerlet.py')
| -rw-r--r-- | wcsutil/headerlet.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/wcsutil/headerlet.py b/wcsutil/headerlet.py index a88b20a..f4c4691 100644 --- a/wcsutil/headerlet.py +++ b/wcsutil/headerlet.py @@ -254,7 +254,7 @@ def createHeaderlet(fname, hdrname, destim=None, output=None, verbose=False, log try: h.append(fhdr['AXISCORR']) except KeyError: - module_logger.exception("Required keyword AXISCORR was not found in " + module_logger.exception("'D2IMFILE' kw exists but keyword 'AXISCORR' was not found in " "%s['SCI',%d]" % (fname, e)) raise @@ -427,9 +427,23 @@ class Headerlet(pyfits.HDUList): self.d2imerr = 0 self.axiscorr = 1 - def apply(self, dest, createheaderlet=True, hdrname=None): + def apply(self, dest, createheaderlet=True, hdrname=None, attach=True): """ Apply this headerlet to a file. + + Parameters + ---------- + dest: string + Name of file to which to apply the WCS in the headerlet + hdrname: string + A unique name for the headerlet + createheaderlet: boolean + A flag which indicates if a headerlet should be created + from the old WCS and attached to the science file (default: True) + attach: boolean, default: True + By default the headerlet being applied will be attached + as an extension to the science file. Set 'attach' to False + to disable this. """ self.hverify() if self.verify_dest(dest): @@ -506,11 +520,12 @@ class Headerlet(pyfits.HDUList): # Append the original headerlet if createheaderlet and orig_hlt_hdu: fobj.append(orig_hlt_hdu) - - # Finally, append an HDU for this headerlet - new_hlt = HeaderletHDU.fromheaderlet(self) - new_hlt.update_ext_version(numhlt + 1) - fobj.append(new_hlt) + + if attach: + # Finally, append an HDU for this headerlet + new_hlt = HeaderletHDU.fromheaderlet(self) + new_hlt.update_ext_version(numhlt + 1) + fobj.append(new_hlt) if close_dest: fobj.close() |