[Radiance-general] Official Radiance 5.1 release

[Gregory J. Ward]

As announced at the recent workshop, a new, official release of Radiance (5.1) is now available for download.

This release contains a number of important bug fixes:

	•	Fixed issue with multiple records on picture output in rcontrib & rfluxmtx
	•	Fixed Klems normalization (wrapBSDF)
	•	Fixed old bug: -aa 0 ignored textures
	•	Added MAX2SHADE macro to avoid long start-up times with many sources
	•	Fixed orientation of Reinhart & Tregenza sampling in rfluxmtx

We also have a few new features, such as:

	•	New getinfo -a option
	•	Added genBSDF -recover option
	•	Rewrote bsdf2rad for better BSDF visualizatons
	•	Improved handling of “view” component in Klems & tensor tree BSDFs

Finally, we have some contribution updates:

	•	Roland Schregle added multiprocessing to photon-map routines
	•	Worked with Rob Guglielmetti to get it to compile smoothly under Windows (where MP is not supported)
	•	view360stereo.cal by Mark Stock
	•	evalglare fixes from Jan Wienold

The code can be found at:

	https://www.radiance-online.org/download-install/radiance-source-code/latest-release

Thanks to Rob Guglielmetti and others at NREL, installers are ready to go for Windows and Mac OS X, with a compile-ready package for Linux at:

	https://github.com/NREL/Radiance/releases

Best,
-Greg

P.S.  Be sure to check out the workshop talks, posted by Andy McNeil at:

	https://www.radiance-online.org/community/workshops/2017-portland-or