From 49ed98f36b448b2ed06df373df0df3615395d45a Mon Sep 17 00:00:00 2001 From: hack Date: Wed, 2 Apr 2014 20:03:23 +0000 Subject: Support has been added for optional TDD Alpha term to be read in from IDCTAB primary header for new (non-Jay Anderson) TDD correction. git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@30795 fe389314-cf27-0410-b35b-8c050e845b92 --- lib/stwcs/distortion/mutil.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'lib/stwcs/distortion/mutil.py') diff --git a/lib/stwcs/distortion/mutil.py b/lib/stwcs/distortion/mutil.py index ea131f9..07ec9b4 100644 --- a/lib/stwcs/distortion/mutil.py +++ b/lib/stwcs/distortion/mutil.py @@ -262,13 +262,18 @@ def read_tdd_coeffs(phdr, chip=1): skew_coeffs['TDD_A'] = None skew_coeffs['TDD_B'] = None skew_coeffs['TDD_CY_BETA'] = None + skew_coeffs['TDD_CY_ALPHA'] = None if "TDD_CYB1" in phdr: # We have 2014-calibrated TDD correction to apply, not J.A.-derived values print "Using 2014-calibrated TDD correction..." skew_coeffs['TDD_DATE'] = phdr['TDD_DATE'] cyb_kw = 'TDD_CYB{0}'.format(int(chip)) - skew_coeffs['TDD_CY_BETA'] = phdr[cyb_kw] + skew_coeffs['TDD_CY_BETA'] = phdr.get(cyb_kw,None) + cya_kw = 'TDD_CYA{0}'.format(int(chip)) + tdd_cya = phdr.get(cya_kw,None) + if tdd_cya == 0 or tdd_cya == 'N/A': tdd_cya = None + skew_coeffs['TDD_CY_ALPHA'] = tdd_cya else: if "TDDORDER" in phdr: n = int(phdr["TDDORDER"]) -- cgit