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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.423 by greg, Sat Nov 12 20:51:47 2022 UTC vs.
Revision 1.427 by greg, Tue Sep 12 17:08:38 2023 UTC

# Line 2585 | Line 2585 | rendering code.  There are no current plans to add thi
2585  
2586   Added falsecolor -odim, -orct, and -c0 options to overlay grid of
2587   values on image.  This was requested by Rob Shakespeare.
2588 +
2589 + Added -i* and -o* options in rhcopy for reading rays from the
2590 + standard input and writing rays from holodeck to standard output.
2591 + This will hopefully be useful in combining rholo with rcontrib.
2592 +
2593 + Added further checking for coincident (overlapping) flat surfaces,
2594 + preferring front sides to back sides in the ray intersection
2595 + calculation.  This only applies to rings and faces, as the other
2596 + surface types would have required additional calculations to
2597 + make them work.  Material transparency is still the primary
2598 + consideration, now followed by ray hit side, followed by
2599 + modifier definition order in the input.
2600 +
2601 + Increased octree and object limits to allow scenes with billions
2602 + of primitives.
2603 +
2604 + Made reciprocity averaging default to "off" in bsdf2ttree, as it seems
2605 + to create more problems than it solves.

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