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Comparing ray/doc/man/man1/mksource.1 (file contents):
Revision 1.2 by greg, Tue Apr 12 20:03:12 2005 UTC vs.
Revision 1.6 by greg, Tue Nov 24 21:11:14 2015 UTC

# Line 30 | Line 30 | The
30   .I \-d
31   option may be used to specify the number of ray samples, which
32   defaults to 262,000.
33 < Calculation time is roughly proportional to accuracy, and the
34 < default is fine enough to find sources the size of the sun
33 > Calculation time is roughly proportional to this setting, and the
34 > default is fine enough to resolve sources the size of the sun
35   (half a degree) or larger.
36   .PP
37   The
38   .I \-t
39   option may be used to manually set the radiance threshold for
40   sources, in watts/sr/meter^2.
41 < The default uses the top 1 percentile of the environment, which
41 > The default uses the top 2 percentile of the environment, which
42   is usally a good value.
43   .PP
44   The
# Line 51 | Line 51 | silently enforces a maximum of 180 degrees for this op
51   If no input octree is specified, the standard input is read.
52   .SH EXAMPLE
53   To add sources with a maximum size of 20 degrees
54 < to the enviornment described in environ.oct:
54 > to the environment described in environ.oct:
55   .IP "" .2i
56 < mksource -a 20 environ.oct > srcs.rad
56 > mksource \-a 20 environ.oct > srcs.rad
57   .br
58 < oconv -i environ.oct srcs.rad > env+srcs.oct
58 > oconv \-i environ.oct srcs.rad > env+srcs.oct
59   .SH AUTHOR
60   Greg Ward
61   .SH "SEE ALSO"

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