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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.210 by greg, Fri Jan 11 05:07:47 2013 UTC vs.
Revision 1.216 by greg, Thu Apr 4 02:59:20 2013 UTC

# Line 1860 | Line 1860 | fore clipping plane rather than viewpoint.  Thanks to
1860   pointing this out.
1861  
1862   Added options to dctimestep to allow multiple time steps (-n)
1863 < and multiple output pictures or sensor files (-o).
1863 > and multiple output pictures or sensor files (-o).  Also added -i
1864 > option to specify float (-if) or double (-id) input for sky matrix.
1865 >
1866 > Created gendaymtx program to compute annual sky patch matrix based
1867 > on Ian Ashdown's implementation of Perez all-weather sky model.
1868 > Output can be sent directly to dctimestep in ASCII or binary stream.
1869 >
1870 > Replaced existing gendaylit.c with improved version from Wendelin Sprenger
1871 > 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-to-yellow range.

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