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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.476 by greg, Tue Feb 4 19:11:49 2025 UTC vs.
Revision 1.482 by greg, Thu Apr 10 23:30:58 2025 UTC

# Line 2764 | Line 2764 | a bit more difficult to adjust.
2764  
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.
2783 +
2784 + Made it so genBSDF can use spectral rendering for a
2785 + more accurate photometric result.
2786 +
2787 + Changed default matrix representation to float rather than
2788 + double, which uses less RAM and supports faster operations
2789 + in general.  Build with compiler flag:
2790 +        -DDTnativeDTrmx_native=DTdouble
2791 + to get back higher precision representation.
2792 +
2793 + Taoning Wang updated genssky and gensdaymtx to provide illuminance
2794 + calibration and accept EPW files directly as input.

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