From a67bad59a8fe50b1099b2953da176e1f83c4f843 Mon Sep 17 00:00:00 2001
From: dencheva <dencheva@stsci.edu>
Date: Thu, 30 Aug 2012 18:28:23 +0000
Subject: do not attempt to make a correction if idcmodel is None

git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stsci_python/trunk/stwcs@19030 fe389314-cf27-0410-b35b-8c050e845b92
---
 lib/stwcs/updatewcs/corrections.py | 3 +++
 lib/stwcs/updatewcs/makewcs.py     | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'lib')

diff --git a/lib/stwcs/updatewcs/corrections.py b/lib/stwcs/updatewcs/corrections.py
index b227d05..70bca3b 100644
--- a/lib/stwcs/updatewcs/corrections.py
+++ b/lib/stwcs/updatewcs/corrections.py
@@ -198,6 +198,9 @@ class CompSIP(object):
     def updateWCS(cls, ext_wcs, ref_wcs):
         logger.info("\n\tStarting CompSIP: %s" %time.asctime())
         kw2update = {}
+        if not ext_wcs.idcmodel:
+            logger.info("IDC model not found, SIP coefficient will not be computed")
+            return kw2update
         order = ext_wcs.idcmodel.norder
         kw2update['A_ORDER'] = order
         kw2update['B_ORDER'] = order
diff --git a/lib/stwcs/updatewcs/makewcs.py b/lib/stwcs/updatewcs/makewcs.py
index 76d80b8..9f95a13 100644
--- a/lib/stwcs/updatewcs/makewcs.py
+++ b/lib/stwcs/updatewcs/makewcs.py
@@ -39,6 +39,9 @@ class MakeWCS(object):
         recomputes the basic WCS kw
         """
         logger.info("\n\tStarting MakeWCS: %s" % time.asctime())
+        if not ext_wcs.idcmodel:
+            logger.info("IDC model not found, turning off Makewcs")
+            return {}
         ltvoff, offshift = cls.getOffsets(ext_wcs)
 
         v23_corr = cls.zero_point_corr(ext_wcs)
-- 
cgit