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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.230 by greg, Sat Jan 25 18:27:39 2014 UTC vs.
Revision 1.235 by greg, Fri May 30 00:00:54 2014 UTC

# Line 1921 | Line 1921 | transparent and translucent materials (except dielectr
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.

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