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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.447 by greg, Fri Feb 23 03:47:57 2024 UTC vs.
Revision 1.461 by greg, Fri Sep 20 17:39:12 2024 UTC

# Line 2686 | Line 2686 | azimuth and reversing row directions at adjacent altit
2686  
2687   Added optimization for long argument lists and arrays in
2688   the calcomp routines used for rendering and in rcalc, etc.
2689 +
2690 + Added error estimate spreading to ambient super-sampling
2691 + algorithm (-as) to improve performance especially in
2692 + scenes with sharp cut-offs.
2693 +
2694 + Added -i option to gendaymtx to match -i option of gendaylit.
2695 + Thanks to Yongqing for initial implementation.
2696 +
2697 + Changed rcrop so negative #rows or #cols counts back from end.
2698 +
2699 + Added rcomb -n option for multi-processing of very large matrices.
2700 +
2701 + Made it so rsplit and rlam can handle any number of input files
2702 + up to active open file descriptor limit.
2703 +
2704 + Taoning Wang added genssky tool for generating spectral sky
2705 + descriptions.
2706 +
2707 + Taoning added gensdaymtx utility based on gendaymtx, and
2708 + added epw2wea -a option to include required information.
2709 +
2710 + Fixed bug introduced in Auguest 2022 (5.4 release) in distant
2711 + light source sampling, which caused aiming failures.  (Thanks
2712 + to Mike DiPompeo of LightStanza for reporting the issue.)
2713 +
2714 + Added rxpict rendering tool based on C++ RpictSimulManager class.
2715 + Multi-processing and spectral output are supported.
2716 +
2717 + Added crude ability to read and convert spectra to RGB in ximage,
2718 + ra_bmp, and ra_rgbe programs.  Also updated fast tone-mapping
2719 + library to handle spectral HSR inputs at the same time.  HSR
2720 + input handling was added in a similar fashion to pcond and pvalue.
2721 +
2722 + Wrote rxpiece tool that will render pictures using tiling and
2723 + can handle different output formats and hyperspectral pictures.
2724 + Only runs on a single machine, however -- now NFS locking on
2725 + shared volumes.  Mainly a demonstration tool for RpictSimulManager
2726 + C++ class, but may have its uses.
2727 +
2728 + Fixed a bug in BSDF sampling of sources pointed out by
2729 + David Geisler-Moroder, which tended to overestimate specular
2730 + contributions for some BSDFs.
2731 +
2732 + Added handling of hyperspectral pictures to pextrem, though
2733 + results are still reported in RGB.

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