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-rw-r--r--lib/stwcs/updatewcs/wfpc2_dgeo.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/stwcs/updatewcs/wfpc2_dgeo.py b/lib/stwcs/updatewcs/wfpc2_dgeo.py
index 884bd7e..e0c01f2 100644
--- a/lib/stwcs/updatewcs/wfpc2_dgeo.py
+++ b/lib/stwcs/updatewcs/wfpc2_dgeo.py
@@ -17,7 +17,7 @@ def update_wfpc2_d2geofile(filename, fhdu=None):
"""
Creates a D2IMFILE from the DGEOFILE for a WFPC2 image (input), and
modifies the header to reflect the new usage.
-
+
Parameters
----------
filename: string
@@ -33,16 +33,19 @@ def update_wfpc2_d2geofile(filename, fhdu=None):
d2imfile: string
Name of D2IMFILE created from DGEOFILE. The D2IMFILE keyword in the
image header will be updated/added to point to this newly created file.
-
+
"""
-
+
close_fhdu = False
if fhdu is None:
fhdu = fileutil.openImage(filename, mode='update')
close_fhdu = True
dgeofile = fhdu['PRIMARY'].header.get('DGEOFILE', None)
- if dgeofile not in [None, "N/A", "", " "]:
+ already_converted = dgeofile not in [None, "N/A", "", " "]
+ if already_converted or 'ODGEOFIL' in fhdu['PRIMARY'].header:
+ if not already_converted:
+ dgeofile = fhdu['PRIMARY'].header.get('ODGEOFIL', None)
logger.info('Converting DGEOFILE %s into D2IMFILE...' % dgeofile)
rootname = filename[:filename.find('.fits')]
d2imfile = convert_dgeo_to_d2im(dgeofile,rootname)