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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.439 by greg, Tue Dec 12 16:31:45 2023 UTC vs.
Revision 1.447 by greg, Fri Feb 23 03:47:57 2024 UTC

# Line 2643 | Line 2643 | of them.
2643  
2644   Added spectral picture support to rcrop and radcompare.
2645  
2646 < Added new utility, rcomb, 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
2646 > Added new utility, rcomb, which is something like a combination
2647 > of rmtxop and pcomb, it works with all the inputs and
2648   outputs that rmtxop handles, but allows for general expressions
2649   like those in pcomb for putting matrices together, working on
2650   an element at a time.  (No resizing of matrices or accessing
# Line 2662 | Line 2661 | pcomb to allow for better interoperability.
2661  
2662   Added support for -co+ option to rtpict, so it can directly
2663   produce hyperspectral images.
2664 +
2665 + Added new "specdata" and "specpict" primitives to support
2666 + interpolated spectral data files and hyperspectral images
2667 + as patterns.
2668 +
2669 + Added support for multispectal sampling in rsensor, which will
2670 + put out as many color channels as specified in any -cs option
2671 + (default is 3 for RGB).
2672 +
2673 + Added ability of mgf2rad to convert spectral data at least
2674 + for light, glow, plastic, and metal primitive types.  Need
2675 + to use new '-s' option to get new output.
2676 +
2677 + Added handling of spectral images to rcode2bmp script.
2678 +
2679 + Minor change to rcollate to allow explicit byte records to
2680 + be any specified length without checks against header input.
2681 +
2682 + Added new hemisphere type to rfluxmtx, "h=cie" for CIE sky
2683 + scanner positions.  These are 145 patches with identical
2684 + row counts to Tregenza, but starting from a different
2685 + azimuth and reversing row directions at adjacent altitudes.
2686 +
2687 + Added optimization for long argument lists and arrays in
2688 + the calcomp routines used for rendering and in rcalc, etc.

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