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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.212 by greg, Sun Jan 20 02:07:16 2013 UTC vs.
Revision 1.217 by greg, Thu Apr 4 15:13:43 2013 UTC

# Line 1866 | Line 1866 | option to specify float (-if) or double (-id) input fo
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-red-yellow scale.

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