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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.172 by greg, Thu Jul 1 21:54:55 2010 UTC vs.
Revision 1.202 by greg, Sun Jul 29 19:01:39 2012 UTC

# Line 1720 | Line 1720 | Added -n option to rtrace for executing on multiple co
1720   using new rayfifo calls.
1721  
1722   =====================
1723 < Version 4.1
1723 > Version 4.1 (Released 11/04/2011)
1724  
1725   Changed ranimate behavior so remote login under a different user
1726   doesn't necessarily require the presence of the originating user's
# Line 1739 | Line 1739 | 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.
1804 +
1805 + Checked in cross-platform cmake build system created by Bill Hoffman
1806 + of KitWare and sponsored by NREL.  This includes a qt-based
1807 + driver for rvu, which is built in the new subdirectory src/qtrvu.
1808 +
1809 + =====================
1810 + Version 4.2
1811 +
1812 + Axel Jacobs added -cp and -palettes options to falsecolor.
1813 +
1814 + Fixed bug in matrix output of genBSDF introduced shortly before 4.1 release.
1815 +
1816 + Made rvu more responsive in multi-processing mode when changing parameters.
1817 + Explicit "new" command not needed to show changes, because it goes back
1818 + to "immediate mode" once something is changed.  Processing will be slow
1819 + but response time quick until next "new" command.
1820 +
1821 + Fixed major bug in transmitting proxy material sampling.
1822 +
1823 + Patched cmake build tools (changes by Zack Galbreath).
1824 +
1825 + Removed requirement for pflip -h to be given input file (can pipe from stdin).
1826 +
1827 + Added "Number of processes" slider to trad "Action" pane to control rad -N
1828 + option for rvu and batch rendering.
1829 +
1830 + Added -c option to vwrays to repeat pixels for rtcontrib.
1831 +
1832 + Reworked rtcontrib program and renamed to rcontrib.  New version runs much
1833 + faster, especially on multiprocessor systems, and doesn't require as much
1834 + memory.  No longer calls rtrace; instead does all the work itself.
1835 +
1836 + Added -d option to genskyvec to produce direct-only (sun no sky) vector.
1837 +
1838 + Added Ashikhmin-Shirley anisotropic BRDF model (ashik2) with help
1839 + from Nicolas Boneel.

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