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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.401 by greg, Fri Feb 4 20:11:49 2022 UTC vs.
Revision 1.408 by greg, Tue Mar 15 00:25:50 2022 UTC

# Line 2504 | Line 2504 | sanity checks.
2504  
2505   Added -O option to pvalue and pextrem to report watts/sr/m^2 even if
2506   picture is XYZE.
2507 +
2508 + Made subtle changes to header i/o routines to preserve alignment in
2509 + binary file formats to enable memory-mapping.  Implemented memory-mapped
2510 + matrix loading in rmtxop for binary double files.
2511 +
2512 + Removed ambient value sorting, which was written when ambient caches
2513 + could overwhelm available memory.  This is rarely the case these days,
2514 + and the added code complexity and updating of cache values with LRU
2515 + counts dirties pages that would otherwise remain clean, so it was
2516 + often a loss even when VM was an issue.
2517 +
2518 + Added iso2klems script to compute a Klems BSDF based on specular
2519 + and diffuse measurements as a function of incident angle.
2520 +
2521 + Fixed issue with over-counting diffuse component during aBSDF
2522 + peak extraction.
2523 +
2524 + Added dctimestep -x and -y options to specify image dimensions
2525 + for multiple outputs corresponding to result vectors.
2526 +
2527 + Added -P option to rcalc to pass formatted input when cond is <= 0.
2528 +
2529 + Created rcrop utility for cropping matrices and pictures more
2530 + conveniently, correcting view information.  Expect it to be handy
2531 + for extracting rows and columns from matrices, mostly.

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