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| author | dencheva <dencheva@stsci.edu> | 2011-02-04 09:12:23 -0500 |
|---|---|---|
| committer | dencheva <dencheva@stsci.edu> | 2011-02-04 09:12:23 -0500 |
| commit | 3c67ebb351a3695fc5207835423b366109cd2894 (patch) | |
| tree | 5cc6968a363b9123f159b2102de962e058b751ab /distortion/utils.py | |
| parent | d6db300e8b08a606d821eaaf16bb7d589e9c16d5 (diff) | |
| download | stwcs_hcf-3c67ebb351a3695fc5207835423b366109cd2894.tar.gz | |
Make a copy of the output WCS before using it.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stsci_python/trunk/stwcs@11870 fe389314-cf27-0410-b35b-8c050e845b92
Diffstat (limited to 'distortion/utils.py')
| -rw-r--r-- | distortion/utils.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/distortion/utils.py b/distortion/utils.py index d132eda..ad58f95 100644 --- a/distortion/utils.py +++ b/distortion/utils.py @@ -7,7 +7,7 @@ from stwcs import wcsutil from numpy import sqrt, arctan2 from pytools import fileutil -def output_wcs(list_of_wcsobj, ref_wcs=None, outwcs=None, undistort=True): +def output_wcs(list_of_wcsobj, ref_wcs=None, owcs=None, undistort=True): """ Create an output WCS. @@ -31,7 +31,7 @@ def output_wcs(list_of_wcsobj, ref_wcs=None, outwcs=None, undistort=True): crval1,crval2 = computeFootprintCenter(fra_dec) crval = np.array([crval1,crval2], dtype=np.float64) - if outwcs is None: + if owcs is None: if ref_wcs == None: ref_wcs = list_of_wcsobj[0].deepcopy() if undistort: @@ -43,6 +43,7 @@ def output_wcs(list_of_wcsobj, ref_wcs=None, outwcs=None, undistort=True): outwcs.pscale = sqrt(outwcs.wcs.cd[0,0]**2 + outwcs.wcs.cd[1,0]**2)*3600. outwcs.orientat = arctan2(outwcs.wcs.cd[0,1],outwcs.wcs.cd[1,1]) * 180./np.pi else: + outwcs = owcs.deepcopy() outwcs.pscale = sqrt(outwcs.wcs.cd[0,0]**2 + outwcs.wcs.cd[1,0]**2)*3600. outwcs.orientat = arctan2(outwcs.wcs.cd[0,1],outwcs.wcs.cd[1,1]) * 180./np.pi |