| 1140 | 
  | 
the stack limit. | 
| 1141 | 
  | 
 | 
| 1142 | 
  | 
============================== | 
| 1143 | 
< | 
Version 3.6 | 
| 1143 | 
> | 
Version 3.6 (Released 10/21/04) | 
| 1144 | 
  | 
 | 
| 1145 | 
  | 
Modified 4-byte RGBE encoding routine to avoid problems | 
| 1146 | 
  | 
when one or two primary values is negative and the other(s) | 
| 1343 | 
  | 
correctly. | 
| 1344 | 
  | 
 | 
| 1345 | 
  | 
===================== | 
| 1346 | 
< | 
Version 3.7 | 
| 1346 | 
> | 
Version 3.7 (Released 7/25/05) | 
| 1347 | 
  | 
 | 
| 1348 | 
  | 
Fixed bug in source occluder cache which caused consistency error | 
| 1349 | 
  | 
for distant sources and mist materials.  (Thanks to Mark Stock for | 
| 1489 | 
  | 
behavior so I documented it rather than changing it. | 
| 1490 | 
  | 
 | 
| 1491 | 
  | 
===================== | 
| 1492 | 
< | 
Version 3.8 | 
| 1492 | 
> | 
Version 3.8 (Released 10/17/06) | 
| 1493 | 
  | 
 | 
| 1494 | 
  | 
Fixed Russian roulette ray termination, which was doing the opposite of | 
| 1495 | 
  | 
what it should have been doing, resulting in overestimated values below | 
| 1609 | 
  | 
Added -h option to pcompos and pcomb to eliminate verbose headers. | 
| 1610 | 
  | 
 | 
| 1611 | 
  | 
===================== | 
| 1612 | 
< | 
Version 3.9 | 
| 1612 | 
> | 
Version 3.9 (Released 3/30/08) | 
| 1613 | 
  | 
 | 
| 1614 | 
  | 
Added -spec option to falsecolor to restore original spectral color scale. | 
| 1615 | 
  | 
Also added "-s auto" option to automatically set the maximum value. | 
| 1666 | 
  | 
record (which can now be done with -c 0). | 
| 1667 | 
  | 
 | 
| 1668 | 
  | 
===================== | 
| 1669 | 
< | 
Version 4.0 | 
| 1669 | 
> | 
Version 4.0 (Released 3/12/10) | 
| 1670 | 
  | 
 | 
| 1671 | 
  | 
Added -n option to rvu to provide parallel rendering. | 
| 1672 | 
  | 
 | 
| 1706 | 
  | 
 | 
| 1707 | 
  | 
Added klems_int.cal file to compute Klems bins for windows. | 
| 1708 | 
  | 
 | 
| 1709 | 
< | 
Created gentregvec utility to sample a particular sky and | 
| 1709 | 
> | 
Created genskyvec  utility to sample a particular sky and | 
| 1710 | 
  | 
evaluate average radiance over the standard Tregenza sky patches. | 
| 1711 | 
  | 
 | 
| 1712 | 
  | 
Created dctimestep program to compute a set of sensor values or | 
| 1717 | 
  | 
multiprocessing by raypcalls.c. | 
| 1718 | 
  | 
 | 
| 1719 | 
  | 
Added -n option to rtrace for executing on multiple cores | 
| 1720 | 
< | 
using new rayfifo calls.  Does not currently work with -I. | 
| 1720 | 
> | 
using new rayfifo calls. | 
| 1721 | 
> | 
 | 
| 1722 | 
> | 
===================== | 
| 1723 | 
> | 
Version 4.1 | 
| 1724 | 
> | 
 | 
| 1725 | 
> | 
Changed ranimate behavior so remote login under a different user | 
| 1726 | 
> | 
doesn't necessarily require the presence of the originating user's | 
| 1727 | 
> | 
home directory. | 
| 1728 | 
> | 
 | 
| 1729 | 
> | 
Changed standard transmission function normalization back to what | 
| 1730 | 
> | 
it was in version 3.5, following recommendation of David Geisler-Moroder, | 
| 1731 | 
> | 
who pointed out that the revised BTDF increased too much at grazing. | 
| 1732 | 
> | 
 | 
| 1733 | 
> | 
Changed rad behavior with -N >1 on single view to call rpiece. | 
| 1734 | 
> | 
 | 
| 1735 | 
> | 
Updated SCons build system for MINGW compilation, thanks to Christian | 
| 1736 | 
> | 
Kohler. | 
| 1737 | 
> | 
 | 
| 1738 | 
> | 
Added -u option to rlam for unbuffered output. | 
| 1739 | 
> | 
 | 
| 1740 | 
> | 
Modified dctimestep to accept sky vector and daylight coefficient matrix | 
| 1741 | 
> | 
or list of images to sum together, as suggested by Andy McNeil. | 
| 1742 | 
> | 
 | 
| 1743 | 
> | 
Created genBSDF script to generate BSDF in Windows XML format. | 
| 1744 | 
> | 
 | 
| 1745 | 
> | 
Modified mkillum to accept detailed geometry from BSDF XML files. | 
| 1746 | 
> | 
 | 
| 1747 | 
> | 
Altered obj2rad to ignore zero normals (thanks to Jack de Valpine for | 
| 1748 | 
> | 
suggestions and help). | 
| 1749 | 
> | 
 | 
| 1750 | 
> | 
Fixed bug in genklemsamp that caused non-uniform sampling over surfaces. | 
| 1751 | 
> | 
 | 
| 1752 | 
> | 
Fixed bugs in rhoptimize and rhcopy for 64-bit compilation. | 
| 1753 | 
> | 
 | 
| 1754 | 
> | 
Made a change to avoid problem using gcc --fast-math compile option. | 
| 1755 | 
> | 
 | 
| 1756 | 
> | 
****** COMPATIBILITY CHANGE ******** | 
| 1757 | 
> | 
Changed behavior of rtrace and rtcontrib so that every scanline is | 
| 1758 | 
> | 
not flushed when both -x and -y are set.  This avoids flush delays | 
| 1759 | 
> | 
in rtcontrib for large numbers of output files and delays while | 
| 1760 | 
> | 
rendering images using rtrace with the -n option. | 
| 1761 | 
> | 
 | 
| 1762 | 
> | 
Added ability for rsensor to output ray origins and directions | 
| 1763 | 
> | 
rather than actually loading octree and computing sensor value. | 
| 1764 | 
> | 
 | 
| 1765 | 
> | 
Fixed old bug in obj2rad where it would stop processing and | 
| 1766 | 
> | 
report a syntax error if the "void" type is used in the map file. | 
| 1767 | 
> | 
 | 
| 1768 | 
> | 
Updated reflection model according to EGSR 2010 paper by David | 
| 1769 | 
> | 
Geisler-Moroder and Arne Duer. | 
| 1770 | 
> | 
 | 
| 1771 | 
> | 
Replaced C-shell version of falsecolor with Perl script written | 
| 1772 | 
> | 
by Axel Jacobs. | 
| 1773 | 
> | 
 | 
| 1774 | 
> | 
****** COMPATIBILITY CHANGE ******** | 
| 1775 | 
> | 
Changed -sj (specular jitter) option to something called specular | 
| 1776 | 
> | 
sampling (-ss), which if set less than 1 has the same behavior as | 
| 1777 | 
> | 
the old -sj, but when set greater than 1, spawns multiple ray | 
| 1778 | 
> | 
samples from semi-specular surfaces. | 
| 1779 | 
> | 
 | 
| 1780 | 
> | 
Fixed bug noticed by Randolph Fritz that caused ambient sync errors. | 
| 1781 | 
> | 
 | 
| 1782 | 
> | 
Fixed bug in findglare for reading picture files under Windows. | 
| 1783 | 
> | 
 | 
| 1784 | 
> | 
Added options to pvalue to note other color spaces on reverse conversion. | 
| 1785 | 
> | 
Thanks to Erich Philips for the feature request. | 
| 1786 | 
> | 
 | 
| 1787 | 
> | 
Added BSDF data-driven material type with full sampling support. | 
| 1788 | 
> | 
 | 
| 1789 | 
> | 
Added BRDF calculations to genBSDF. | 
| 1790 | 
> | 
 | 
| 1791 | 
> | 
Bug fixes in rsensor thanks to help from David Geisler-Moroder. | 
| 1792 | 
> | 
 | 
| 1793 | 
> | 
Added variable-resolution BSDF support in renderers and genBSDF. | 
| 1794 | 
> | 
 | 
| 1795 | 
> | 
Created pkgBSDF program to extract BSDF geometry and put it | 
| 1796 | 
> | 
together with surface description suitable for inclusion in | 
| 1797 | 
> | 
a Radiance scene. | 
| 1798 | 
> | 
 | 
| 1799 | 
> | 
Muted warning for "no light sources found" when there is at least | 
| 1800 | 
> | 
one glow object and interreflections are on (-ab > 0). | 
| 1801 | 
> | 
 | 
| 1802 | 
> | 
Fixed long-standing bug that caused underestimation of reflection | 
| 1803 | 
> | 
when specular component was below -st threshold in non-metals. |