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* Creating DMS2015.3 branch for conda releasehack2015-11-060-0/+0
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/branches/opus_2015_3dms@46079 fe389314-cf27-0410-b35b-8c050e845b92
* Update to STWCS output_wcs(): This update forces output_wcs() to always ↵hack2015-10-231-2/+66
| | | | | | 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
* HSTWCS object was updated to read in 3 more keywords written out to the ↵hack2015-08-311-2/+2
| | | | | | 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
* use absolute_import for python 2 and 3 compatibilitybsimon2015-08-141-1/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@43226 fe389314-cf27-0410-b35b-8c050e845b92
* convert string functions to methods for python 3 compatibilitybsimon2015-06-123-3/+0
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@41178 fe389314-cf27-0410-b35b-8c050e845b92
* replaced string functions (lower, strip) with string methodsbsimon2015-06-051-8/+7
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40961 fe389314-cf27-0410-b35b-8c050e845b92
* Add RADESYS to headers. Fixed cleanWCS which was trying to delete WCS ↵dencheva2015-05-292-3/+33
| | | | | | 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
* Resolves #1191dencheva2015-05-262-2/+35
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40436 fe389314-cf27-0410-b35b-8c050e845b92
* Raise an IOError if NPOLFILE or D2IMFILE keywords have values but the files ↵dencheva2015-05-263-8/+6
| | | | | | 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
* Fixes #1074. Raises an IOError is IDCTAB file not found on disk. Tests added ↵dencheva2015-05-221-5/+22
| | | | | | too. git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40328 fe389314-cf27-0410-b35b-8c050e845b92
* Reverting r40221 - unintentionally checked in these changes.dencheva2015-05-223-13/+7
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40327 fe389314-cf27-0410-b35b-8c050e845b92
* fix a couple of typosdencheva2015-05-213-7/+13
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40221 fe389314-cf27-0410-b35b-8c050e845b92
* Fixed problems with python 2 to 3 conversionbsimon2015-05-217-23/+25
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@40220 fe389314-cf27-0410-b35b-8c050e845b92
* Update to ACS TDD apply_tdd2idc2015 code to eliminate use of zero-point from ↵hack2015-05-142-4/+7
| | | | | | 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
* Updated files to run under python 2 and 3bsimon2015-05-0426-255/+277
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@39775 fe389314-cf27-0410-b35b-8c050e845b92
* Update STWCS with the latest code necessary to support the 'final' ↵hack2015-05-043-15/+76
| | | | | | 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
* The logic in altwcs.getKeyFromName() was improved to correctly handle the ↵hack2014-10-131-2/+7
| | | | | | 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
* update to STWCS code to handle additional TDD coefficient for ACS: ↵hack2014-10-063-7/+28
| | | | | | 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
* Minor updates to HSTWCS to allow it to provide a uniform interface to some ↵hack2014-09-221-2/+7
| | | | | | 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
* deleteWCS crashes when called on compressed FITS HDU (CompImageHDU) because ↵mcara2014-06-041-1/+2
| | | | | | | | | 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
* STWCS v1.2.1: This version fixes a typo in altwcs._restore(), adds TDD_CYA ↵hack2014-05-234-7/+17
| | | | | | 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
* replace deprecateed methodsdencheva2014-05-023-10/+9
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31371 fe389314-cf27-0410-b35b-8c050e845b92
* fix a typo dencheva2014-05-021-1/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31370 fe389314-cf27-0410-b35b-8c050e845b92
* Do not import pywcs or astropy.wcs in the top level stwcsdencheva2014-05-021-1/+0
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31369 fe389314-cf27-0410-b35b-8c050e845b92
* further changes to move to astropydencheva2014-05-0125-330/+307
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31270 fe389314-cf27-0410-b35b-8c050e845b92
* deal with pyfits/wcs deprecation wrningsdencheva2014-04-308-108/+100
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31259 fe389314-cf27-0410-b35b-8c050e845b92
* restore naxis1/2 propertydencheva2014-04-291-0/+16
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31253 fe389314-cf27-0410-b35b-8c050e845b92
* Restored 'wkey'->'key' - a change made by Nadia and overwritten by me.mcara2014-04-291-1/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31252 fe389314-cf27-0410-b35b-8c050e845b92
* 1. Replaced `failed2converge` with a better name `slow_conv` in the ↵mcara2014-04-291-35/+31
| | | | | | | | | | | `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
* fix kwyword parameter namedencheva2014-04-291-1/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31245 fe389314-cf27-0410-b35b-8c050e845b92
* Expose help for methods of HSTWCS class. This includes the all_pix2sky and ↵hack2014-04-281-0/+5
| | | | | | all_sky2pix methods. git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31243 fe389314-cf27-0410-b35b-8c050e845b92
* changes to use astropy instead of pyfits and pywcsdencheva2014-04-2824-58/+78
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31240 fe389314-cf27-0410-b35b-8c050e845b92
* port changes from astropy.wcs - naxis1/2 are private now.dencheva2014-04-243-6/+22
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@31128 fe389314-cf27-0410-b35b-8c050e845b92
* Minor simplification and improvement to the final check for ↵mcara2014-04-231-43/+50
| | | | | | 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
* This revision improves upon changes made to the `all_sky2pix` in r31122 and ↵mcara2014-04-231-83/+271
| | | | | | | | | | 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
* 1. reverted to 1e-4 default accuracy (compared to r31122 );mcara2014-04-211-24/+96
| | | | | | | | 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
* 1. Modified all_sky2pix to return either a list of 1D vectors or a 2D array ↵mcara2014-04-171-103/+225
| | | | | | | | | 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
* Support has been added for optional TDD Alpha term to be read in from IDCTAB ↵hack2014-04-023-4/+12
| | | | | | 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
* Initial check-in to add support for new ACS TDD correction described in ↵hack2014-02-265-99/+138
| | | | | | Ticket #1108 git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@29972 fe389314-cf27-0410-b35b-8c050e845b92
* making releasesienkiew2014-01-061-2/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@28712 fe389314-cf27-0410-b35b-8c050e845b92
* STWCS.updatewcs update to insure that NEXTEND keyword (if already present in ↵hack2013-12-301-1/+3
| | | | | | 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
* STWCS update to insure that NEXTEND keyword (if already present in primary ↵hack2013-12-303-10/+34
| | | | | | 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
* remove unused variablesdencheva2013-12-031-1/+1
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@27708 fe389314-cf27-0410-b35b-8c050e845b92
* Updated API for stwcs.wcsutil.hstwcs.HSTWCS.all_sky2pix() to accept both 1-D ↵hack2013-11-181-1/+29
| | | | | | | | | 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
* Very minor/simple update to HSTWCS.all_sky2pix() method to not update output ↵hack2013-10-301-4/+4
| | | | | | 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
* Fixed a bug introduced in r26987 to the headerlet module that caused ↵hack2013-10-241-8/+9
| | | | | | 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
* STWCS v1.1.2: This update only includes changes to the headerlet module and ↵hack2013-10-236-47/+116
| | | | | | | | | | | | 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
* Interface with 'new' PyFITS (>v3.1.x) and its writeto() method were ↵hack2013-10-171-16/+38
| | | | | | 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
* remove easier_installsienkiew2013-09-111-20/+0
| | | | git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stwcs/trunk@26688 fe389314-cf27-0410-b35b-8c050e845b92
* Problems with using apply_headerlet_as_primary() on WFPC2 data have been ↵hack2013-08-281-2/+5
| | | | | | 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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