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Revision 1.433 by greg, Mon Nov 27 22:04:45 2023 UTC vs.
Revision 1.436 by greg, Fri Dec 8 17:56:26 2023 UTC

# Line 2634 | Line 2634 | that made reds into blues and vice versa, which has be
2634   Added i/o for spectral pictures to rmtxop, the first program that can
2635   ingest them.  (Only rtrace, rcontrib, and rfluxmtx can render them.)
2636   New symbolic rmtxop -c options, such as RGB, XYZ, S (for scotopic)
2637 < and M (for melanopic) make color conversions simpler.
2638 < Also added spectral picture support to rcrop and radcompare.
2637 > and M (for melanopic) make color conversions simpler.  Alternatively,
2638 > a reference matrix or picture may be given and the color space of
2639 > that file will be used.  The -C option takes either a symbolic
2640 > color space or reference file and is "sticky," so it applies to
2641 > all subsequent input files that do not have their own -c right ahead
2642 > of them.
2643 >
2644 > Added spectral picture support to rcrop and radcompare.
2645 >
2646 > Added new utility, rmtxcomb, which is hard to type and hard to
2647 > pronounce, and probably equally difficult to use.  Sort of a
2648 > combination of rmtxop and pcomb, it works with all the inputs and
2649 > outputs that rmtxop handles, but allows for general expressions
2650 > like those in pcomb for putting matrices together, working on
2651 > an element at a time.  (No resizing of matrices or accessing
2652 > neighboring elements, as permitted in pcomb.)  It saves memory
2653 > over rmtxop by operating on a row at a time, so can handle
2654 > input and output matrices with any number of rows.  It does
2655 > provide for a single matrix-multiplication operation at the end,
2656 > which only requires memory for that final matrix.
2657 >
2658 > Added support for filtering hyperspectral images to pfilt.

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