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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/branches/opus_2015_3dms@46079 fe389314-cf27-0410-b35b-8c050e845b92
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return a CD matrix that is orthogonal (cross-terms identical). This is needed to address Ticket #1182.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@45804 fe389314-cf27-0410-b35b-8c050e845b92
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image header by 'updatewcs'; namely, idcv2ref, idcv3ref, idctheta. This will allow for the computation of the 'troll' angle strictly from HSTWCS attributes without having to read in separate information from the header or from the IDCModel.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@44009 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@43226 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@41178 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40961 fe389314-cf27-0410-b35b-8c050e845b92
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keywords from the primary header and raising an error. Resolves #1173.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40546 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40436 fe389314-cf27-0410-b35b-8c050e845b92
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are not found on disk. Part of #1074
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40433 fe389314-cf27-0410-b35b-8c050e845b92
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too.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40328 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40327 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40221 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40220 fe389314-cf27-0410-b35b-8c050e845b92
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header and to only optionally use TDD term based on its presence in the IDCTAB header. All this was done based on discussions with Vera about the calibrations.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@39993 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@39775 fe389314-cf27-0410-b35b-8c050e845b92
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velocity-aberration-corrected TDD calibrations for ACS. This continues to address Ticket #1108.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@39773 fe389314-cf27-0410-b35b-8c050e845b92
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random ordering of keys in the wcsnames dict. This update supports the changes for Ticket #1165.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@34873 fe389314-cf27-0410-b35b-8c050e845b92
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specifically, TDD_CXA* and TDD_CXB*.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@34759 fe389314-cf27-0410-b35b-8c050e845b92
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non-HST data as well as HST data. These changes only support data already supported by astropy.wcs and do not affect any aspect of HST support. No support for undistorting non-HST data should ever be implied or assumed.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@34531 fe389314-cf27-0410-b35b-8c050e845b92
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of a bug in CompImageHDU that does not allow `del` on non-existent header keywords.
For more details see https://github.com/astropy/astropy/issues/2594
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@32334 fe389314-cf27-0410-b35b-8c050e845b92
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and TDD_CYB as new header keywords for 2014 TDD correction, and updated _restore() to reset those keywords to 0.0 everytime so that if TDDCORR=OMIT, it will be obvious.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31920 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31371 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31370 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31369 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31270 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31259 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31253 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31252 fe389314-cf27-0410-b35b-8c050e845b92
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`NoConvergence` exception class;
2. Minor performance tweaking in the non-adaptive part of the code;
3. Added reference to the theory, numerical method, and algorithm description on the GitHub;
4. Fixed typos in the comments.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31251 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31245 fe389314-cf27-0410-b35b-8c050e845b92
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all_sky2pix methods.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31243 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31240 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31128 fe389314-cf27-0410-b35b-8c050e845b92
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diverging/invalid coordinates compared to r31125. Improvements/corrections in code formatting, comments, and help.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31126 fe389314-cf27-0410-b35b-8c050e845b92
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r31123 that address issues described in ticket #1121 and ticket #1122, by implementing a more robust handling of the divergent solutions. The new parameter `detect_divergence` will allow to detect divergent solutions at each iteration. Now, even if `adaptive` is set to `False`, assuming `detect_divergence` is `True`, when divergent solutions are detected `all_sky2pix` will automatically switch from the highly efficient fully vectorized algorithm to a less efficient (~30%) (still vectorized) but adaptive algorithm.
Updated comments and examples to `all_sky2pix` to reflect the changes.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31125 fe389314-cf27-0410-b35b-8c050e845b92
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2. improved NoConvergence error class and its documentation;
3. implemented detection of a divergent numerical method (previously this would have been impossible to distinguish why a method does not converge: was it due to too low maxiter (and or accuracy) setting or it was due to inherent divergence of the method for given deometric distortions.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31123 fe389314-cf27-0410-b35b-8c050e845b92
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depending on the format of the input data to bring all_sky2pix to behave similarly to other similar functions: wcs_pix2sky, wcs_sky2pix, all_pix2sky.
2. Major improvements (10x for non-vetorized use and ~400x for vectorized use) in performance of the function.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31122 fe389314-cf27-0410-b35b-8c050e845b92
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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
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Ticket #1108
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@29972 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@28712 fe389314-cf27-0410-b35b-8c050e845b92
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primary header) remains consistent with full size of FITS file after updates.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@28704 fe389314-cf27-0410-b35b-8c050e845b92
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header) remains consistent with full size of FITS file after updates.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@28702 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@27708 fe389314-cf27-0410-b35b-8c050e845b92
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arrays for Ra,Dec and a single 2-D array to be consistent with pywcs.WCS.all_pix2sky().
This resolves #1076.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@27470 fe389314-cf27-0410-b35b-8c050e845b92
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values based on an increasingly bad inversion. This only affects positions at an extreme distance outside the frame where the distortion model breaks down and becomes unstable.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@27118 fe389314-cf27-0410-b35b-8c050e845b92
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headerlet.apply_as_primary to fail when the headerlet was created directly using the Headerlet class and an HDUList as input.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26990 fe389314-cf27-0410-b35b-8c050e845b92
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related TEAL interface modules. The changes include:
- Fix calls to PyFITS to allow writing of headerlet out to files
- Implement support for multiple file inputs for apply_header, delete_headerlet and attach_headerlet TEAL tasks and their underlying Python interfaces. (Ticket #1063)
The docstrings for all updated headerlet functions were updated to reflect the new input capabilities.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26987 fe389314-cf27-0410-b35b-8c050e845b92
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corrected with this change. This allows the Headerlet class to work again to create new headerlets.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26877 fe389314-cf27-0410-b35b-8c050e845b92
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git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26688 fe389314-cf27-0410-b35b-8c050e845b92
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corrected in this revision. These included counting the D2IM arrays correctly and eliminating a typo for a variable. These changes were tested using both a WFPC2 image and the same ACS image that demonstrated the previous bug.
git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26500 fe389314-cf27-0410-b35b-8c050e845b92
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