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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.474 by greg, Thu Jan 23 19:09:38 2025 UTC vs.
Revision 1.479 by greg, Thu Mar 27 01:26:55 2025 UTC

# Line 2716 | Line 2716 | Multi-processing and spectral output are supported.
2716  
2717   Wrote rxpiece tool that will render pictures using tiling and
2718   can handle different output formats and hyperspectral pictures.
2719 < Only runs on a single machine, however -- now NFS locking on
2719 > Only runs on a single machine, however -- no NFS locking on
2720   shared volumes.  Mainly a demonstration tool for RpictSimulManager
2721   C++ class, but may have its uses.
2722  
# Line 2752 | Line 2752 | model is more general in some respects and the operati
2752   efficient, but standard output is not supported, nor is ASCII
2753   results data.
2754  
2755 Added experimental source-skipping method to rpict for scenes
2756 with large number of light sources.  Currently works with
2757 rcontrib and separate srcsamp image-processing tool.  Controlling
2758 rpict options are -dS for skip bitmap specification and -dC
2759 for correction coefficient image.  Compile using -DSSKIPOPT
2760 to include this option.
2761
2755   Added strnstr.c compatibility module in ray/src/common, since
2756 < it isn't present on Linux-derivatives.
2756 > it isn't present on Linux derivatives.
2757  
2758   Added WGMDfunc material type with programmable roughness and
2759   separate modifier paths for the different components.
2760  
2761   Added gensurf -i option at the request of Peter Apian-Bennewitz
2762 < to reverse surface normals, mostly for data input when it is
2762 > to reverse surface normals, mostly for data input, when it is
2763   a bit more difficult to adjust.
2764  
2765 < Simplified synchronization between processes sharing indirect
2773 < irradiance values via an ambient file. Removed file locking
2774 < operations in favor of simpler operation relying on O_APPEND flag.
2775 < Not sure if this will have any affect on shared filesystems, but
2776 < it should reduce overhead for massively parallel machines.
2777 <
2778 < Added rad -N option to rholo run for multiprocessing when
2765 > Added rad -N option to rholo call for multiprocessing when
2766   mkillum and/or mkpmap are involved in octree prep.
2767 +
2768 + Added ability of gendaymtx to read EPW as well as WEA files.
2769 + When EPW input is provided, the 3-hour average dew point is
2770 + used to compute a more accurate precipitable water content
2771 + value.  It currently does not use these data directly from
2772 + the EPW input, relying instead on a dew-point-to-W calculation.
2773 + This follows the request and recommendations of David G-M.
2774 +
2775 + Removed limitation in rfluxmtx, which was disallowing distant
2776 + and local receivers. Found this to be a perfectly valid approach
2777 + for some annual daylighting scenarios.
2778 +
2779 + Wrote new pvsum tool to handle cases dctimestep can't, like
2780 + spectral input pictures.  It also adds a -N option for multi-
2781 + processing on Unix machines, which utilizes memory-mapped
2782 + inputs for efficient i/o sharing.

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