[ViewVC] Diff of: radiance/ray/doc/notes/ReleaseNotes

Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.148 by greg, Wed Apr 30 21:11:35 2008 UTC vs.
Revision 1.318 by greg, Fri May 4 23:56:49 2018 UTC

+the stack limit.
+==============================
-<
+Version 3.6
->
+Version 3.6 (Released 10/21/04)
+Modified 4-byte RGBE encoding routine to avoid problems
+when one or two primary values is negative and the other(s)
+correctly.
+=====================
-<
+Version 3.7
->
+Version 3.7 (Released 7/25/05)
+Fixed bug in source occluder cache which caused consistency error
+for distant sources and mist materials.  (Thanks to Mark Stock for
+behavior so I documented it rather than changing it.
+=====================
-<
+Version 3.8
->
+Version 3.8 (Released 10/17/06)
+Fixed Russian roulette ray termination, which was doing the opposite of
+what it should have been doing, resulting in overestimated values below
+Added -h option to pcompos and pcomb to eliminate verbose headers.
+=====================
-<
+Version 3.9
->
+Version 3.9 (Released 3/30/08)
+Added -spec option to falsecolor to restore original spectral color scale.
+Also added "-s auto" option to automatically set the maximum value.
+Modified -c option to rtcontrib so it can take a number of input
+rays to average over, rather than only produce a single accumulated
+record (which can now be done with -c 0).
-+
-+
+=====================
-+
+Version 4.0 (Released 3/12/10)
-+
-+
+Added -n option to rvu to provide parallel rendering.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Changed ".pic" extension to ".hdr" in all sources and documentation
-+
+to improve interoperability with other software, since this has become
-+
+the de facto extension for Radiance RGBE and XYZE pictures.  Since file
-+
+extensions were never more than a convention in Radiance, this does not
-+
+affect operation, but may require the update of scripts, etc. written
-+
+by others that assume the ".pic" suffix for Radiance output.
-+
-+
+Added -N option to objview to support multiprocessing.
-+
-+
+Improved sampling of circular sources (source, sphere, ring types) with
-+
+quite a bit of help from David Geisler-Moroder.
-+
-+
+Added "rpict" and "rvu" variables to rad, and made these as well as
-+
+the "oconv", "mkillum" and "pfilt" variables accept an alternate
-+
+command path in each case.  Change suggested by Lars Grobe based
-+
+on similar Radzilla (radz) facility by Carsten Bauer.
-+
-+
+Fixed rad -v N specification to use actual view name if one.
-+
-+
+Fixed error in mkillum calculation where it neglected indirect
-+
+source contributions from BTDF illum's.
-+
-+
+Added GMT and LATLONG header lines for Greenwich Mean Time and
-+
+degrees North Latitude / East Longitude.
-+
-+
+Added gendaylit to distribution (finally).
-+
-+
+Added ability in vwright(1) to get view from command line arguments.
-+
-+
+Created genklemsamp(1) utility to generate samples suitable for
-+
+BSDF-based annual calculations.  This is the first Perl script to
-+
+be added to Radiance.  Hopefully, others will follow.
-+
-+
+Added klems_int.cal file to compute Klems bins for windows.
-+
-+
+Created genskyvec  utility to sample a particular sky and
-+
+evaluate average radiance over the standard Tregenza sky patches.
-+
-+
+Created dctimestep program to compute a set of sensor values or
-+
+a combined image for a particular time using the daylight
-+
+coefficient method.
-+
-+
+Created src/rt/rayfifo.c for first-in/first-out handling of
-+
+multiprocessing by raypcalls.c.
-+
-+
+Added -n option to rtrace for executing on multiple cores
-+
+using new rayfifo calls.
-+
-+
+=====================
-+
+Version 4.1 (Released 11/04/2011)
-+
-+
+Changed ranimate behavior so remote login under a different user
-+
+doesn't necessarily require the presence of the originating user's
-+
+home directory.
-+
-+
+Changed standard transmission function normalization back to what
-+
+it was in version 3.5, following recommendation of David Geisler-Moroder,
-+
+who pointed out that the revised BTDF increased too much at grazing.
-+
-+
+Changed rad behavior with -N >1 on single view to call rpiece.
-+
-+
+Updated SCons build system for MINGW compilation, thanks to Christian
-+
+Kohler.
-+
-+
+Added -u option to rlam for unbuffered output.
-+
-+
+Modified dctimestep to accept sky vector and daylight coefficient matrix
-+
+or list of images to sum together, as suggested by Andy McNeil.
-+
-+
+Created genBSDF script to generate BSDF in Windows XML format.
-+
-+
+Modified mkillum to accept detailed geometry from BSDF XML files.
-+
-+
+Altered obj2rad to ignore zero normals (thanks to Jack de Valpine for
-+
+suggestions and help).
-+
-+
+Fixed bug in genklemsamp that caused non-uniform sampling over surfaces.
-+
-+
+Fixed bugs in rhoptimize and rhcopy for 64-bit compilation.
-+
-+
+Made a change to avoid problem using gcc --fast-math compile option.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Changed behavior of rtrace and rtcontrib so that every scanline is
-+
+not flushed when both -x and -y are set.  This avoids flush delays
-+
+in rtcontrib for large numbers of output files and delays while
-+
+rendering images using rtrace with the -n option.
-+
-+
+Added ability for rsensor to output ray origins and directions
-+
+rather than actually loading octree and computing sensor value.
-+
-+
+Fixed old bug in obj2rad where it would stop processing and
-+
+report a syntax error if the "void" type is used in the map file.
-+
-+
+Updated reflection model according to EGSR 2010 paper by David
-+
+Geisler-Moroder and Arne Duer.
-+
-+
+Replaced C-shell version of falsecolor with Perl script written
-+
+by Axel Jacobs.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Changed -sj (specular jitter) option to something called specular
-+
+sampling (-ss), which if set less than 1 has the same behavior as
-+
+the old -sj, but when set greater than 1, spawns multiple ray
-+
+samples from semi-specular surfaces.
-+
-+
+Fixed bug noticed by Randolph Fritz that caused ambient sync errors.
-+
-+
+Fixed bug in findglare for reading picture files under Windows.
-+
-+
+Added options to pvalue to note other color spaces on reverse conversion.
-+
+Thanks to Erich Philips for the feature request.
-+
-+
+Added BSDF data-driven material type with full sampling support.
-+
-+
+Added BRDF calculations to genBSDF.
-+
-+
+Bug fixes in rsensor thanks to help from David Geisler-Moroder.
-+
-+
+Added variable-resolution BSDF support in renderers and genBSDF.
-+
-+
+Created pkgBSDF program to extract BSDF geometry and put it
-+
+together with surface description suitable for inclusion in
-+
+a Radiance scene.
-+
-+
+Muted warning for "no light sources found" when there is at least
-+
+one glow object and interreflections are on (-ab > 0).
-+
-+
+Fixed long-standing bug that caused underestimation of reflection
-+
+when specular component was below -st threshold in non-metals.
-+
-+
+Checked in cross-platform cmake build system created by Bill Hoffman
-+
+of KitWare and sponsored by NREL.  This includes a qt-based
-+
+driver for rvu, which is built in the new subdirectory src/qtrvu.
-+
-+
+=====================
-+
+Version 4.2 (Release date 7/31/2014)
-+
-+
+Axel Jacobs added -cp and -palettes options to falsecolor.
-+
-+
+Fixed bug in matrix output of genBSDF introduced shortly before 4.1 release.
-+
-+
+Made rvu more responsive in multi-processing mode when changing parameters.
-+
+Explicit "new" command not needed to show changes, because it goes back
-+
+to "immediate mode" once something is changed.  Processing will be slow
-+
+but response time quick until next "new" command.
-+
-+
+Fixed major bug in transmitting proxy material sampling.
-+
-+
+Patched cmake build tools (changes by Zack Galbreath).
-+
-+
+Removed requirement for pflip -h to be given input file (can pipe from stdin).
-+
-+
+Added "Number of processes" slider to trad "Action" pane to control rad -N
-+
+option for rvu and batch rendering.
-+
-+
+Added -c option to vwrays to repeat pixels for rtcontrib.
-+
-+
+Reworked rtcontrib program and renamed to rcontrib.  New version runs much
-+
+faster, especially on multiprocessor systems, and doesn't require as much
-+
+memory.  No longer calls rtrace; instead does all the work itself.
-+
-+
+Added -d option to genskyvec to produce direct-only (sun no sky) vector.
-+
-+
+Added Ashikhmin-Shirley anisotropic BRDF model (ashik2) with help
-+
+from Nicolas Boneel.
-+
-+
+Added Ruby rewrite of objview.csh by Rob Guglielmetti.
-+
-+
+Fixed bug in reciprocity for tensor tree BTDF representations.  Thanks
-+
+to Andy McNeil for identifying the problem.
-+
-+
+Added MNAME and ZNAME variables to ranimove for debugging & testing.
-+
-+
+Created pmblur2 command to take motion and depth buffers from ranimove
-+
+to compute a better motion blur.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Changed BSDF routines to use updated/corrected XML specification and
-+
+removed depracated BSDF support from mkillum.
-+
-+
+Fixed behavior of i/o flushing in rcontrib with -c > 1 (averaging).  Thanks
-+
+to Lars Grobe for help identifying this problem.
-+
-+
+Fixed bug in depth-of-field blur where view distance was measured from
-+
+fore clipping plane rather than viewpoint.  Thanks to Peter A-B for
-+
+pointing this out.
-+
-+
+Added options to dctimestep to allow multiple time steps (-n)
-+
+and multiple output pictures or sensor files (-o).  Also added -i
-+
+option to specify float (-if) or double (-id) input for sky matrix.
-+
-+
+Created gendaymtx program to compute annual sky patch matrix based
-+
+on Ian Ashdown's implementation of Perez all-weather sky model.
-+
+Output can be sent directly to dctimestep in ASCII or binary stream.
-+
-+
+Replaced existing gendaylit.c with improved version from Wendelin Sprenger
-+
+and Jan Wienold of ISE.
-+
-+
+Improved accuracy of ambient calculation for large -ad settings.  Thanks
-+
+to Lars Grobe for noticing the problem.
-+
-+
+Added -r option to gendaymtx to rotate the sky the specified number of
-+
+degrees about the zenith as suggested by A. McNeil.
-+
-+
+Axel Jacobs added -pal eco color map that does a blue-red-yellow scale.
-+
-+
+Created bsdf2klems tool to convert from various BSDF representations to
-+
+Klems basis matrix in XML file.
-+
-+
+Fixed problem with inappropriate reciprocity enforcement on tensor
-+
+tree reduction in genBSDF.  (Thanks to A.McNeil for discovering issue.)
-+
-+
+Fixed bug in isotropic tensor tree sampling for impinging rays
-+
+exactly normal to surface.  Thanks to Peter Apian-Bennewitz for
-+
+discovering and pointing out the error.
-+
-+
+Fixed double-counting bug in mirror material with alternate type.
-+
+Thanks to David Geisler-Moroder for spotting the problem and helping
-+
+to fix it.
-+
-+
+Created rcollate program to resize and transpose matrix data for Andy
-+
+McNeil's 5-phase annual simulation method.
-+
-+
+Added epw2wea conversion program by Christoph Reinhart.
-+
-+
+Implemented Perlin's improved noise function with help from Rahul Narain.
-+
+This will change the appearance of renderings using this function.
-+
-+
+Added "origin" command to rvu as requested by John Mardaljevic
-+
+to place view origin at selected point in scene.
-+
-+
+Switch to Perl versions of objview and objpict written by Axel Jacobs.
-+
-+
+Improved rendering speed of scenes with aliases by not entering new
-+
+modifiers into table if they are the same as the previously defined
-+
+modifier for that name.
-+
-+
+Made it so icalc and rcalc search RAYPATH directories for *.cal files
-+
+given on command line.  This simplifies script writing and makes these
-+
+utilities consistent with other tools in Radiance.
-+
-+
+Added triangulation routine to handle convex polygons in obj2mesh.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Made backface visibility apply to all material types, including
-+
+transparent and translucent materials (except dielectric and interface).
-+
+This makes the option useful in cases where adjacent trans surfaces
-+
+are placed next to each other by a modeler that only understands
-+
+volumetric objects.
-+
-+
+Changed dctimestep so that output matrices (-n > 1) are preceded by a
-+
+header, and added support for float and double output formats with -o[fd].
-+
-+
+Introduced eplus_adduvf program to compute user view factors for EnergyPlus.
-+
-+
+Changed image-plane sampling in rpict to use Hilbert curve, which gives
-+
+less of a brushed/striped appearance to output pixels with -u- (default).
-+
-+
+Added ltview and ltpict Perl scripts contributed by Axel Jacobs, inspired
-+
+by Rob Guglielmetti.
-+
-+
+Added header variables for NROWS, NCOLS and NCOMP to help standardize
-+
+matrix files.  This functionality has been incorporated into
-+
+rcollate, gendaymtx, and dctimestep.
-+
-+
+Created rmtxop utility to operate on multi-component matrices.  This
-+
+facilitates some daylight matrix calculations, and provides a general
-+
+tool for manipulating matrix data.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Introduced new Hessian-based error control in irradiance caching (ambient)
-+
+calculation.  Since the format of the stored ambient values is different,
-+
+the old files will be rejected with an error message and must be removed.
-+
+The programs may be compiled with the -DOLDAMB option if this is a problem.
-+
-+
+Added -p option to rcontrib to set function file parameters on a per-modifier
-+
+basis to simplify bin evaluation.
-+
-+
+Created rfluxmtx program to compute flux transfer matrices from a sender
-+
+surface to one or more receiver surfaces.  (Renamed the file klems_int.cal
-+
+to klems_full.cal in the process.)
-+
-+
+Added "-c" option to getinfo to execute command on data segment.
-+
-+
+================================
-+
+Version 5.0 (Released 9/18/2015)
-+
-+
+Changed rmtxop so it writes out same type as lesser of inputs unless
-+
+directed otherwise using -f? option.
-+
-+
+Changed order of oconv arguments in rfluxmtx so user can specify input
-+
+octree using -i option at the end instead of (or in addition to) a
-+
+list of scene files.
-+
-+
+Added support for argument expansion to rfluxmtx and bug fixes.
-+
-+
+Fixed bug in indirect hemisphere sampling for some corner cases.
-+
-+
+Added default specular lobe to BSDF interpolation.
-+
-+
+Set minimum number of shadow checks before direct optimization (4).
-+
-+
+(Above changes included in 4.2.1 patch release.)
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Made header input and output the default behavior for dctimestep and
-+
+genskyvec.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Changed pabopto2bsdf default behavior to add 90-degree rotation
-+
+to bring pgII's definition of "up" in line with Klems axis
-+
+conventions.  Introduced a new header variable "upphi" to
-+
+control this added rotation.  Using "#upphi 90" in each
-+
+BSDF input file gets back the original behavior, where it
-+
+assumes that the up direction is 90-degrees from the X-axis.
-+
+The default value of 0 corresponds to PAB's definition of
-+
+the X-axis as being "up".
-+
-+
+Fixed bug in rsensor related to having many rows (altitude) and
-+
+few columns (azimuth) in sensitivity file.
-+
-+
+Fixed floating point round-off error in new Hessian calculation
-+
+for some sytems (Windows, primarily).
-+
-+
+Fixed bug in tensor tree BSDF code that caused bus error on
-+
+some systems, and may have been source of other errors as well.
-+
-+
+(Above changes included in 4.2.2 patch release.)
-+
-+
+Improved ambient extrapolation to avoid zero values.  Actual
-+
+threshold set to 5% of recorded value.
-+
-+
+Changed anisotropic Gaussian and Ashikhmin models so that
-+
+illegal orientation vectors are dealt with more gracefully.
-+
-+
+Created wrapBSDF tool and incorporated into genBSDF along
-+
+with new rfluxmtx computation.
-+
-+
+Initial check-in of Roland Schregle's photon map integration.
-+
+New 5.0a version designation as suggested by Andy McNeil.
-+
-+
+Added left-hand coordinate sytems to rfluxmtx to correct
-+
+problems with coordinate axis orientations pointed out by
-+
+David Geisler-Moroder.
-+
-+
+Added color output to genBSDF (+C option) and support for
-+
+color rendering of Klems and tensor tree data.
-+
-+
+Fixed another bug in rsensor that caused rays to be generated
-+
+on opposite side of hemisphere even where sensitivity was zero.
-+
-+
+Fixed bug discovered by Jacob Jonsson in Klems BSDF
-+
+interpolator that caused it to over-predict normal
-+
+transmittance and reflectance.
-+
-+
+Added ability to read input from commands in dctimestep
-+
+and rmtxop.
-+
-+
+Added photon map support to rad.  Fixed some double-counting
-+
+issues in photon-mapping spotted by David Geisler-Moroder.
-+
-+
+Added photon map support to trad.
-+
-+
+Fixed bug in antimatter source testing when antimatter
-+
+definition follows potential obstructor in input.
-+
-+
+Fixed issue with missing character type identifier at head
-+
+of genBSDF XML output.
-+
-+
+Prompted by Roland S., added option to have pcompos -a order
-+
+rows from top rather than bottom of image.
-+
-+
+Changed dctimestep to accept matrix as well as BTDF input
-+
+in the VTDs invocation mode.  This permits the output of
-+
+rmtxop to be used in a pinch when combining multiple BTDF
-+
+layers, although interreflection between layers is not
-+
+accounted for properly as it is in the WINDOW program.
-+
-+
+Added Jan Wienold et al.'s evalglare to distribution.
-+
-+
+Hopeful fix to deadlock issue under Mac OS X 10.10.x (Yosemite).
-+
-+
+Fixed early exit of rcontrib with internal error (sample behind sender)
-+
+discovered by Rob G.
-+
-+
+=================================
-+
+Version 5.1 (Released 8/17/2017)
-+
-+
+Fixed issue with vchars.mta and symbols.mta not being installed in
-+
+the appropriate metafile library location, with help from Rob G.
-+
-+
+Added ability to give quoted strings to output= directive in rfluxmtx.
-+
-+
+****** COMPATIBILITY CHANGE ********
-+
+Added ability to digest color (CIE-XYZ) input in pabopto2bsdf.
-+
+This change alters the .sir (interpolant) format, so these files
-+
+will need to be regenerated.  Use the new "#colorimetry: CIE-XYZ" tag
-+
+to enable on input.
-+
-+
+Rewrote bsdf2klems to support tristimulus color and call wrapBSDF.
-+
+Did the same for bsdf2ttree.  Function specifications still gray only.
-+
-+
+Reduced a problem where rvu or rholo would be slow to quit when
-+
+run with many processes on a large model or one with a large
-+
+ambient file (taking lots of memory).  We were waiting for
-+
+processes to quit one-by-one, which takes some time for each
-+
+process as it disentangles its shared memory.  We now
-+
+wait for all the processes together, so they can disentangle
-+
+in parallel.  It can still take up to a minute in some cases,
-+
+but not 10 minutes like it was taking before the fix.
-+
-+
+Enabled ambient cache value corral for all levels, not just final two.
-+
+This may reduce errors in certain pathological scenes.
-+
-+
+Added -in option to rcalc, rlam, and total to limit the number of
-+
+input records in hopes of circumventing Windows EOF issues on binary data.
-+
+Also added -on option to rcalc and total for logical symmetry.
-+
-+
+Increased modifier limit to 10,000 in rcontrib.
-+
-+
+Fixed issues with glrad and added zoom response to mouse wheel input.
-+
-+
+Added missing definition of "ashik2" material type to reference manual.
-+
-+
+Changed genBSDF to calculate device thickness assuming Zmax==0 so
-+
+pkgBSDF will generate correct proxy geometry.
-+
-+
+Created pabopto2xyz tool to combine different sensor measurements
-+
+into a single CIE-XYZ measurement file for color BSDF interpolation.
-+
-+
+Jan Wienold updated evalglare to version 1.30
-+
-+
+Roland Schregle added out-of-core photon mapping routines, which
-+
+may be compiled using the PMAP_OOC macro.
-+
-+
+Added -a option to getinfo for easy addition of header lines.
-+
-+
+Fixed issue with multiple records on picture output in rcontrib (and rfluxmtx).
-+
+Credit to Sarith Subramaniam for pointing out the problem.
-+
-+
+Made mkillum more tolerant of non-planar polygons in its sampling routines.
-+
-+
+Added "-recover" option to genBSDF to pick up where it left off.
-+
-+
+Fixed genBSDF issue that was created incorrect normalization of
-+
+Klems output.  Thanks to David G-M and Christian Knoflach for
-+
+discovering the error.  Also improved sampling of indirect irradiance
-+
+that showed some slight bias due to poor sample collision avoidance.
-+
-+
+Fixed long-standing issue with -aa 0 neglecting textures in calculating
-+
+surface shading.
-+
-+
+Fixed bug in ranimove introduced during photon map integration.
-+
-+
+Added check for steep sections of BSDF in pabopto2bsdf, creating narrower
-+
+peakes in those places and mitigating some normalization issues.
-+
-+
+Added view360stereo.cal by Mark Stock to handle 360-degree over/under
-+
+stereo views.
-+
-+
+Added MAX2SHADE macro to place limit on number of light sources
-+
+to precheck for obstructions.  (Currently set to 200.)  This
-+
+avoids excessive start-up times for scenes with many light sources.
-+
+Thanks to Axel Jacobs for pointing out the problem.
-+
-+
+Added -v option to obj2mesh to print out mesh statistics.
-+
-+
+Rewrote bsdf2rad from ground up and made it a standard part of build.
-+
-+
+Fixed bug in orientation of Reinhart/Tregenza sample generator in rfluxmtx.
-+
-+
+Added ability to perform shadow-testing through unproxied BSDFs with strong
-+
+through (direct-direct) component.
-+
-+
+Added {+|-}a options to genBSDF and bsdf2ttree for switching off reciprocity
-+
+averaging.
-+
-+
+Added bias to see through BTDFs with a strong "through" component
-+
+rather than scattering view rays.  This is in lieu of peak extraction,
-+
+which looked to be too difficult from an implementation standpoint.
-+
-+
+Added bsdfview tool analogous to objview but for BSDF files (XML and SIR),
-+
+which calls bsdf2rad then rad with a few useful default views.
-+
-+
+=========================
-+
+Version 5.2
-+
-+
+Created psketch program to apply non-photorealistic rendering to selected
-+
+objects, identified by modifier name(s).
-+
-+
+Added '*' and '/' operations to rmtxop for element-wise multiplication and
-+
+division of same-sized matrices.
-+
-+
+Changed falsecolor so "-s" option is adjusted to match legend if one.
-+
-+
+Falsecolor legend changes and improvements by David G-M and Stephen W.
-+
-+
+Fixed bug in peak extraction code that generated
-+
+"Bad call to SDqueryTreProjSA" error, reported by Lars Grobe.
-+
-+
+Increased maximum luminance to 10^7 in pcond to fix issue noticed
-+
+by Axel Jacobs where veiling glare not added for the sun under
-+
+some conditions.
-+
-+
+Increased maximum number of open files in rcontrib to the system upper
-+
+limit of 2048 rather than the default 512 under Windows.
-+
-+
+Added top-level resources directory with files from Rob Guglielmetti.
-+
-+
+Improved accuracy for peaky BSDFs and small light sources.
-+
-+
+Fixed issue with pmapdump noted by Axel Jacobs.
-+
-+
+Improved accuracy of bsdf2ttree when converting scattering interpolation
-+
+representatons with strong peaks.
-+
-+
+Tweaked peak-extraction code to work more reliably.
-+
-+
+Georg Mischler updated SCons build system.
-+
-+
+Rob Guglielmetti and Alex Swindler updated CMake build system.
-+
-+
+Modified pcomb so the first view seen in the inputs is written into header.
-+
-+
+Wrote rtpict script to run rtrace in parallel mode and simulate rpict with
-+
+-n option.
-+
-+
+Added ability to move forwards/backwards specified distance in rvu "origin"
-+
+command.  Feature requested by John Mardaljevic, who essentially owns this
-+
+command, now.
-+
-+
+Reduced bias in ambient super-sampling method.
-+
-+
+Fixed bugs associated with zero transmission in chromatic tensor trees.
-+
+Thanks to Lars Grobe for pointing out issues.
-+
-+
+Added RAYPATH searching for -f options to genrev, gensurf, genworm,
-+
+bsdf2klems, bsdf2ttree, and pcomb.  This makes behavior consistent
-+
+with rcalc, calc, and rendering tools.

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Comparing ray/doc/notes/ReleaseNotes (file contents): Revision 1.148 by greg, Wed Apr 30 21:11:35 2008 UTC vs. Revision 1.318 by greg, Fri May 4 23:56:49 2018 UTC

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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.148 by greg, Wed Apr 30 21:11:35 2008 UTC vs.
Revision 1.318 by greg, Fri May 4 23:56:49 2018 UTC