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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.409 by greg, Fri Mar 18 18:31:47 2022 UTC vs.
Revision 1.415 by greg, Tue Apr 26 03:00:02 2022 UTC

# Line 2532 | Line 2532 | 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.

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