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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.214 by greg, Tue Feb 5 05:41:16 2013 UTC vs.
Revision 1.238 by greg, Sat Jul 19 18:19:33 2014 UTC

# Line 1872 | Line 1872 | and Jan Wienold of ISE.
1872  
1873   Improved accuracy of ambient calculation for large -ad settings.  Thanks
1874   to Lars Grobe for noticing the problem.
1875 +
1876 + Added -r option to gendaymtx to rotate the sky the specified number of
1877 + degrees about the zenith as suggested by A. McNeil.
1878 +
1879 + Axel Jacobs added -pal eco color map that does a blue-red-yellow scale.
1880 +
1881 + Created bsdf2klems tool to convert from various BSDF representations to
1882 + Klems basis matrix in XML file.
1883 +
1884 + Fixed problem with inappropriate reciprocity enforcement on tensor
1885 + tree reduction in genBSDF.  (Thanks to A.McNeil for discovering issue.)
1886 +
1887 + Fixed bug in isotropic tensor tree sampling for impinging rays
1888 + exactly normal to surface.  Thanks to Peter Apian-Bennewitz for
1889 + discovering and pointing out the error.
1890 +
1891 + Fixed double-counting bug in mirror material with alternate type.
1892 + Thanks to David Geisler-Moroder for spotting the problem and helping
1893 + to fix it.
1894 +
1895 + Created rcollate program to resize and transpose matrix data for Andy
1896 + McNeil's 5-phase annual simulation method.
1897 +
1898 + Added epw2wea conversion program by Christoph Reinhart.
1899 +
1900 + Implemented Perlin's improved noise function with help from Rahul Narain.
1901 + This will change the appearance of renderings using this function.
1902 +
1903 + Added "origin" command to rvu as requested by John Mardaljevic
1904 + to place view origin at selected point in scene.
1905 +
1906 + Switch to Perl versions of objview and objpict written by Axel Jacobs.
1907 +
1908 + Improved rendering speed of scenes with aliases by not entering new
1909 + modifiers into table if they are the same as the previously defined
1910 + modifier for that name.
1911 +
1912 + Made it so icalc and rcalc search RAYPATH directories for *.cal files
1913 + given on command line.  This simplifies script writing and makes these
1914 + utilities consistent with other tools in Radiance.
1915 +
1916 + Added triangulation routine to handle convex polygons in obj2mesh.
1917 +
1918 + ****** COMPATIBILITY CHANGE ********
1919 + Made backface visibility apply to all material types, including
1920 + transparent and translucent materials (except dielectric and interface).
1921 + This makes the option useful in cases where adjacent trans surfaces
1922 + are placed next to each other by a modeler that only understands
1923 + volumetric objects.
1924 +
1925 + Changed dctimestep so that output matrices (-n > 1) are preceded by a
1926 + header, and added support for float and double output formats with -o[fd].
1927 +
1928 + Introduced eplus_adduvf program to compute user view factors for EnergyPlus.
1929 +
1930 + Changed image-plane sampling in rpict to use Hilbert curve, which gives
1931 + less of a brushed/striped appearance to output pixels with -u- (default).
1932 +
1933 + Added ltview and ltpict Perl scripts contributed by Axel Jacobs, inspired
1934 + by Rob Guglielmetti.
1935 +
1936 + Added header variables for NROWS, NCOLS and NCOMP to help standardize
1937 + matrix files.  This functionality has been incorporated into
1938 + rcollate, gendaymtx, and dctimestep.
1939 +
1940 + Created rmtxop utility to operate on multi-component matrices.  This
1941 + facilitates some daylight matrix calculations, and provides a general
1942 + tool for manipulating matrix data.
1943 +
1944 + ****** COMPATIBILITY CHANGE ********
1945 + Introduced new Hessian-based error control in irradiance caching (ambient)
1946 + calculation.  Since the format of the stored ambient values is different,
1947 + the old files will be rejected with an error message and must be removed.
1948 + The programs may be compiled with the -DOLDAMB option if this is a problem.
1949 +
1950 + Added -p option to rcontrib to set function file parameters on a per-modifier
1951 + basis to simplify bin evaluation.

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