summaryrefslogtreecommitdiff
path: root/wcsutil/headerlet.py
diff options
context:
space:
mode:
Diffstat (limited to 'wcsutil/headerlet.py')
-rw-r--r--wcsutil/headerlet.py23
1 files changed, 22 insertions, 1 deletions
diff --git a/wcsutil/headerlet.py b/wcsutil/headerlet.py
index 5104a2f..70ebc7c 100644
--- a/wcsutil/headerlet.py
+++ b/wcsutil/headerlet.py
@@ -193,7 +193,28 @@ def createHeaderlet(fname, hdrname, destim=None, output=None):
def applyHeaderlet(hdrfile, destfile, destim=None, hdrname=None, createheaderlet=True):
"""
- apply headerlet 'hdrfile' to a science observation 'destfile'
+ Apply headerlet 'hdrfile' to a science observation 'destfile'
+
+ Parameters
+ ----------
+ hdrfile: string
+ Headerlet file
+ destfile: string
+ File name of science observation wyhose WCS solution willbe updated
+ destim: string or None (default)
+ ROOTNAME of destfile (default)
+ This string will be written as the DESTIM keyword in the headerlet,
+ created from the old WCS solution
+ Normally it should be None, unless the science file is missing the
+ ROOTNAME kw, in which case the name of the file (stripped of .fits)
+ should be specified.
+ hdrname: string or None (default)
+ will be the value of the HDRNAME keyword in the headerlet.
+ It's not required if createheaderlet is False
+ createheaderlet: boolean
+ True (default): before updating, create a headerlet with the
+ WCS old solution.
+
"""
hlet = Headerlet(hdrfile)
hlet.apply2obs(destfile, destim=destim, hdrname=hdrname, createheaderlet=createheaderlet)