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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.327 by greg, Tue Oct 9 17:57:17 2018 UTC vs.
Revision 1.401 by greg, Fri Feb 4 20:11:49 2022 UTC

# Line 2237 | Line 2237 | Updates to evalglare and gendaylit from Jan Wienold, i
2237   colored sky option.
2238  
2239   =========================
2240 < Version 5.3
2240 > Version 5.3 (Released September 1, 2020)
2241 >
2242 > Created radcompare program to compare Radiance tool output to reference outputs
2243 > during unit-testing.
2244 >
2245 > Fixed issue reading very large files (> 2 GBytes) in rcollate.
2246 >
2247 > Made picking function in rvu ignore transparent and void surfaces.
2248 >
2249 > Added -orRxX options to rtrace to enable output of mirrored and unmirrored
2250 > contributions and distances to enable new types of reprojections.  This also
2251 > cleaned up and unified handling of effective ray lengths throughout code.
2252 >
2253 > Bug fixes from Jan Wienold for evalglare.
2254 >
2255 > Changed indexed (numbered) output from dctimestep to start from 0 rather
2256 > than 1, to make it more consistent with expected input naming.
2257 >
2258 > Increased default sampling in bsdf2klems (-n option) to 1024.
2259 >
2260 > Fixed an issue noticed by David G-M that was causing genBSDF to bias
2261 > isotropic tensor tree samples resulting in subsequent failure of
2262 > peak extraction with "aBSDF" type.
2263 >
2264 > Introduced max() and min() functions to .cal library.
2265 >
2266 > Added random incident patch sampling to bsdf2klems to improve accuracy
2267 > with scattering interpolation representation input (e.g., from
2268 > pabopto2bsdf).  The other input types already sampled incident patch area.
2269 >
2270 > Added gendaymtx -A option to compute average sky over all the input
2271 > time steps.
2272 >
2273 > Added ability to output color image from rtrace with any of -ovrx options.
2274 > Also fixed inconsistency of -oN output when ray casting versus full trace.
2275 > Before, it would flip normal to front side unless ray casting.  Now, -oN
2276 > always reports the unflipped normal.
2277 >
2278 > Changed rlam behavior so -iaN reads N lines from a stream rather than N
2279 > characters.  This seems more useful, since -ibN is somewhat redundant with
2280 > the old behavior.
2281 >
2282 > Created rsplit program as compliment to rlam and to handle more complex
2283 > rtrace output into separate files or streams.
2284 >
2285 > Improved getinfo so that it can also hop over resolution string with -c
2286 > and header elide mode.  Use +d to include resolution string in output,
2287 > and -d to elide with - and -c options.
2288 >
2289 > Made pvalue -u option mean "uncompressed" with -r.  Also, allow skipping
2290 > bytes on standard input.
2291 >
2292 > Created rcode_depth tool to convert to and from a 16-bit/pixel portable
2293 > depth image encoding that uses a mix of linear and reciprocal distance
2294 > with explicit representations of 0 and infinity.  Code for loading these
2295 > depth maps is in src/common/depthcodec.{h,c}.
2296 >
2297 > Created rcode_norm tool to convert to and from 32-bit/pixel portable
2298 > surface normal representation, matching the one in src/common/dircode.c.
2299 > Code for loading normal maps is in src/common/normcodec.{h,c}.
2300 >
2301 > Created rcode_ident tool to create indexed identifier files.
2302 > Code for loading these files is in src/common/idmap.{h,c}.
2303 >
2304 > Added -o* option to rtpict to produce layered images that handle most
2305 > output types from rtrace (colors, surface normals, distances, IDs).
2306 >
2307 > Created rcode2bmp script to create images from new rcode_* output maps.
2308 >
2309 > Improved efficiency of rmtxop in cases where matrix multiplication is
2310 > faster evaluated right-to-left, as when the final component is a
2311 > column vector.  Also added ability to apply trailing unary operators
2312 > (-t, and -s or -c) to resulting matrix.
2313 >
2314 > Added new depth, normal, and ID file types to radcompare.
2315 >
2316 > Added BigEndian= header line for automatic byte-swapping in rmtxop
2317 > and radcompare.
2318 >
2319 > Added new "turbo" palette to falsecolor (thanks to Taoning).
2320 >
2321 > Nathaniel Jones created the "dcglare" program for annual glare
2322 > simulations when the sun and sky are visible through the window.
2323 > Tutorial is posted at
2324 > "https://github.com/nljones/Accelerad/wiki/The-Imageless-Method-for-Spatial-and-Annual-Glare-Analysis".
2325 >
2326 > Added support for loading RGBE images into matrices in dctimestep.
2327 >
2328 > Added -y option to gensky and gendaylit to support more accurate Michalsky
2329 > solar position calculation.
2330 >
2331 > Changed rsplit, so specifying a space as the separator parses words
2332 > between whitespace.
2333 >
2334 > Added ability of vwrays, pinterp, and pmblur2 to read encoded depth files.
2335 >
2336 > Added -o RxCxR1xC1 facility to perform blocking in rcollate.
2337 >
2338 > Made it so number of segments in genworm, genrev, and gensurf can be
2339 > given as expressions of previously defined variables, etc.
2340 >
2341 > Added -D and -n option to gendaymtx to output sun description and skip
2342 > matrix output on request.  A -M option was also added to output solar
2343 > modifiers for rcontrib.  Support also added for leap days in WEA input.
2344 > Enhancements sponsored by Ladybug Tools.
2345 >
2346 > Updated eplus_uvf to work with IDF version 9.x, checking version number.
2347 >
2348 > Fix to glarendx issues with dgi calculation.
2349 >
2350 > Made it so rmtxop and dctimestep undo any exposure applied to Radiance
2351 > pictures they may load.
2352 >
2353 > Added robjutil utility to manipulate Wavefront .OBJ files.
2354 >
2355 > Fixed a crash related to rtrace -om or -oM with mesh instances containing
2356 > materials.
2357 >
2358 > Improved rtrace flushing function to handle any value for -x without
2359 > deadlock on controlling process.
2360 >
2361 > Eliminated unnecessary start-up procedures for rtrace when only ray-casting
2362 > is needed (i.e., no tracing or value output).
2363 >
2364 > Improved isotropic sampling method in bsdf2ttree using "zipper" approach
2365 > applied in genBSDF.
2366 >
2367 > Added limit to memory used by high-resolution tensor tree BSDFs for
2368 > cumulative cache during MC sampling (rendering).  Limit set to 250MBytes
2369 > per BSDF for standard architectures.
2370 >
2371 > Added -n and -s options to bsdf2ttree to provide some user control
2372 > over super-sampling.
2373 >
2374 > Improved surface normal codec used by ambient file to store orthonormal
2375 > directions exactly.
2376 >
2377 > Improved peak extraction method, which was undervaluing transmission
2378 > in many cases.
2379 >
2380 > New version of evalglare from Jan Wienold.
2381 >
2382 > Added -u option to gendaymtx to elide data columns (time steps) when
2383 > the sun is not visible above the horizon.
2384 >
2385 > =========================
2386 > Version 5.4
2387 >
2388 > Added rcollate -c option to force operation to continue even if it
2389 > seems unnecessary.  Made tool more robust.
2390 >
2391 > Added -t option to rcontrib (and rfluxmtx) to report progress after the
2392 > given number of seconds.
2393 >
2394 > Added "test" target to makeall to run unit tests.
2395 >
2396 > Modified bsdf2ttree to allow different parameters per input SIR file.
2397 >
2398 > Fixed issues with very large matrix files (> 2GB) in dctimestep, rmtxop,
2399 > and rcollate.
2400 >
2401 > Added -rf and -rb options to rmtxop to load front or back reflectance
2402 > matrix data from XML file rather than transmission.  (Lars Grobe suggested.)
2403 >
2404 > Improved behavior for coincident surfaces with different materials.
2405 > Rather than returning one surface or the other based on floating-point
2406 > vagaries, opaque materials are now preferred over transparent ones.
2407 > If the materials are both transparent or both opaque, then whichever
2408 > surface appeared later in the scene description will be selected.
2409 > This came of a request for consistent behavior with legal CAD output
2410 > from Peter Apian-Bennewitz.
2411 >
2412 > Added explicit tests for on-edge intersections with polygons.  This should
2413 > eliminate stray rays and tiny light leaks that often appear even in
2414 > well-constructed geometry.
2415 >
2416 > Added "-s up" option to pabopto2bsdf to allow for 180 degree symmetry,
2417 > meaning that data repeats after 180 degree rotation (as distinguished
2418 > from "-s bilateral" whose data is mirrored about a vertical plane).
2419 > Thanks to Helen Rose Wilson for the suggestion and informing me that
2420 > such a thing exists.
2421 >
2422 > Removed upper limit on number of modifiers in rcontrib.
2423 >
2424 > Put cap on maximum ambient gradient to avoid over-extrapolation of
2425 > poorly computed irradiance cache values.
2426 >
2427 > Added robjutil +T option to triangulate all faces in .OBJ description.
2428 >
2429 > Altered BSDF library to have both front and back diffuse transmittance
2430 > values, which can be different.  This was necessary to avoid issues
2431 > caused by measurement and modeling discrepancies.
2432 >
2433 > Added pabopto2bsdf -g option to cull near-grazing scattering to avoid
2434 > issues with noise and negative values.
2435 >
2436 > Increased default dynamic range from 32 to 100 in pcond and normtiff.
2437 >
2438 > Added -o and -n options to genbox to create .OBJ output and segment
2439 > edges and corners for transparent materials.  Also added -s option
2440 > to control smoothing for .OBJ and Radiance with segmented rounding.
2441 >
2442 > Made it so robjutil with the +r option for Radiance output now
2443 > produces normal smoothing unless normals are removed with -n.
2444 >
2445 > Added exposure preservation to pcompos when possible (i.e., when
2446 > there is only one input or inputs agree on exposure).
2447 >
2448 > Added -DSHARP_RGB compile-time option to use sharp RGB color space
2449 > rather than historic default.  This can make for more accurate color
2450 > calculations, but requires that materials be recalibrated.  The
2451 > PRIMARIES= line is also produced on output from rpict or rvu with
2452 > the correct set of primaries based on how the system was compiled.
2453 >
2454 > Added automatic flushing to the output of total, except when the -r
2455 > (running subtotals) option is used.
2456 >
2457 > Improved behavior of little-used -aw option, so that it avoids sea-level
2458 > rise caused by adding its own estimate back into the ambient level remainder.
2459 > It ended up being simple enough to derate the final average by the factor
2460 > corresponding to average surface absorpition, thus removing the average
2461 > from the final bounce estimate.
2462 >
2463 > Introduced ies2rad upgrades by Randolph Fritz.  Randolph says it
2464 > fixes the following problems:
2465 >
2466 >        1. Generates correct Radiance geometry for spheres in 1995, 2002,
2467 >        and 2019 IES files.
2468 >
2469 >        2. Generates correct Radiance geometry for vertical cylinders that
2470 >        are taller than they are wide.
2471 >
2472 >        3. Ignores the file source ("File Generation Type") field in the
2473 >        2019 version of the file, which would otherwise be incorrectly used
2474 >        as an output multiplier.
2475 >
2476 >    It also offers the following enhancements:
2477 >
2478 >        1. Shape information is included in the .rad file comments.
2479 >
2480 >        2. 1995, 2002, and 2019-version luminous opening geometry is
2481 >        accounted for.
2482 >
2483 >        3. The 2002 and 2019 IES file versions are recognized and
2484 >        processed appropriately.
2485 >
2486 >        4. I have made an attempt to do something intelligent with less
2487 >        common "luminous opening" shapes in the 1995, 2002, and 2019 versions
2488 >        of the standard, though I have not implemented any support for new
2489 >        geometry; approximations are substituted and warning messages issued.
2490 >        Unfortunately, this code is not tested, since I don't have any IES
2491 >        files that use these shapes.
2492 >
2493 > Added support for depth-of-field blurring in vwrays using -pd option.
2494 > Also, made -c count work with vwrays -i, producing multiple samples
2495 > per indicated pixel position.  At the same time, support for the -pd
2496 > option was added to rtpict, which calls on vwrays for its samples.
2497 >
2498 > Fixed issue with BSDFs that didn't obey reciprocity, where direct
2499 > sampling wasn't following exactly with indirect sampling.  This was
2500 > discovered and reported by Jon Sargent.
2501 >
2502 > Created checkBSDF tool to test XML BSDF reciprocity and perform similar
2503 > sanity checks.
2504 >
2505 > Added -O option to pvalue and pextrem to report watts/sr/m^2 even if
2506 > picture is XYZE.

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