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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.403 by greg, Mon Mar 7 17:55:09 2022 UTC vs.
Revision 1.417 by greg, Thu Aug 4 22:43:46 2022 UTC

# Line 2514 | Line 2514 | could overwhelm available memory.  This is rarely the
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.
2532 +
2533 + Changed pcomb so -o option elides original exposure values
2534 + from indented source headers.
2535 +
2536 + Added getinfo -r option, which is similar to -a except it will
2537 + replace indicated lines with new ones.
2538 +
2539 + Slight change to vwrays -d option to not spit out "-ld-", and to
2540 + produce "-ld+" without requiring input picture as argument.
2541 +
2542 + Added automatic overture calculation to rtpict with -n > 1 if
2543 + ambient cache is on and file is named.  If straight image output
2544 + is requested, we randomize all samples and avoid cache collisions.
2545 +
2546 + Added cnt -s option to shuffle output.
2547 +
2548 + Fixed issue with divide-by-zero errors in the ambient super-sampling
2549 + routine discovered by Jon Sargent of Solemma.  This affected regions
2550 + that had zero radiance, such as black backgrounds or unlit areas
2551 + with -av 0 0 0, when super-sampling was effectively disabled, causing
2552 + some loss in accuracy of the results.
2553 +
2554 + Updated Klems Half- and Quarter-bases to match angles currently used
2555 + in WINDOW.
2556 +
2557 + Eliminated most aiming failures for triangular light sources, at the
2558 + expense of conservative sampling near the centroid.  Thanks to
2559 + David Geisler-Moroder for his help on this.

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