UPDATEWCS.UTILS functions¶
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stwcs.updatewcs.utils.
build_sipname
(fobj, fname=None, sipname=None)¶ Build a SIPNAME from IDCTAB
Parameters: - fobj (
astropy.io.fits.HDUList
) – file object - fname (string) – science file name (to be used if ROOTNAME is not present
- sipname (string) – user supplied SIPNAME keyword
Returns: Return type: sipname, idctab
- fobj (
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stwcs.updatewcs.utils.
build_npolname
(fobj, npolfile=None)¶ Build a NPOLNAME from NPOLFILE
Parameters: - fobj (
astropy.io.fits.HDUList
) – file object - npolfile (string) – user supplied NPOLFILE keyword
Returns: Return type: npolname, npolfile
- fobj (
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stwcs.updatewcs.utils.
build_d2imname
(fobj, d2imfile=None)¶ Build a D2IMNAME from D2IMFILE
Parameters: - fobj (
astropy.io.fits.HDUList
) – file object - d2imfile (string) – user supplied NPOLFILE keyword
Returns: Return type: d2imname, d2imfile
- fobj (
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stwcs.updatewcs.utils.
build_distname
(sipname, npolname, d2imname)¶ Core function to build DISTNAME keyword value without the HSTWCS input.