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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.478 by greg, Wed Mar 19 01:18:20 2025 UTC vs.
Revision 1.487 by greg, Thu May 8 14:44:01 2025 UTC

# Line 2775 | Line 2775 | This follows the request and recommendations of David
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.
2795 +
2796 + Added -e expr and -f file.cal options to all rendering tools, not
2797 + just rcontrib/rxcontrib.  Feature request from Peter A-B.
2798 +
2799 + Fixed slight bias in indirect calculation caused by ambient
2800 + collision detection, pointed out by Jon Sargent.  New code
2801 + keeps track of rejected samples and sells them back to
2802 + later calls to get something closer to a true Poisson
2803 + sampling method.
2804 +
2805 + Altered rvu "origin" command to take shift amounts forward,
2806 + right, and up rather than taking an explicit origin, which
2807 + can be done easily enough with the "view" command.  Peter A-B
2808 + requested (sort of).
2809 +
2810 + Added genglaze tool created by Taoning Wang to generate
2811 + spectral glazing materials based on CGDB data and models.
2812 +
2813 + Fixed bug that caused inf and nan errors with -cw setting
2814 + where longer wavelength was substantially less than limits
2815 + of specified spectra.

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