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edits to README.md and delete a couple of files#3

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edits to README.md and delete a couple of files#3
rlwastro wants to merge 10 commits intospacetelescope:masterfrom
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@rlwastro rlwastro commented Dec 20, 2018

Made some minor updates to the documentation files.

These changes affect the use of fitscut on Pan-STARRS images (which have
some weird WCS characteristics) and when creating color images using
alignment and resampling between filters.  Neither of those will affect
the more common case of making single-filter images or color images from
pixel-aligned images.

Fix RADESYS keyword problem in PS1 cutouts
Add TIMESYS keyword to PS1 image headers
Add PC keywords to WCS in JPEG files

output_graphic.c:
- Look for and add the PC WCS keywords (either PC001001 or PC1_1 style)
  to the special WCS header that is embedded in JPEG comments.  That
  fixes a bug in that WCS for PS1 headers.

output_fits.c:
- Added the TIMESYS = 'TAI' keyword to PS1 image headers because the
  default value for that keyword is 'UTC' (times that include leap
  seconds).  The PS1 times are in fact TAI (international atomic time)
  rather than UTC.  Also updated the PS1 documentation to reflect this
  information.
- make RADESYS keyword change more robust by checking for
  EQUINOX and PC001001 too
- add RADESYS keyword if it is not already present in the header (fixes
  PS1 problem)

extract.c:
- changes to make this work when wcs align is used on images with very
  different pixel scales than the reference image
- fix a minor bug in (verbose) reporting of number of bad pixels
- fix major (core dump) bug when a filter does not overlap the reference

wcs_align.c:
- wcs_remap_channel: remove unused variables wpin,hpin to quiet warnings
- wcs_match_channel: expand extracted region slightly to eliminate
  possible gaps at edges
- change tab to space indents on a couple of lines
@rlwastro rlwastro changed the title edits to README.md and delete a couple of files Bring into sync with the current HLA version Mar 23, 2023
@rlwastro rlwastro changed the title Bring into sync with the current HLA version edits to README.md and delete a couple of files Mar 23, 2023
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