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Comparing ray/doc/man/man1/rtcontrib.1 (file contents):
Revision 1.9 by greg, Fri Jun 10 16:42:10 2005 UTC vs.
Revision 1.13 by greg, Thu Oct 6 16:28:59 2005 UTC

# Line 16 | Line 16 | rtcontrib - compute contribution coefficients in a RAD
16   .B "\-o ospec"
17   ][
18   .B "\-b binv"
19 + ][
20 + .B "\-bn nbins"
21   ]
22   {
23   .B "\-m mod | \-M file"
# Line 45 | Line 47 | primitives to be considered in the output.
47   A modifier list may also be read from a file using the
48   .I \-M
49   option.
50 + The RAYPATH environment variable determines directories to search for
51 + this file.
52 + (No search takes place if a file name begins with a '.', '/' or '~'
53 + character.)\0
54   .PP
55   The output of
56   .I rtcontrib
# Line 81 | Line 87 | this will be applied to a "%d" format in the output fi
87   specification if present.
88   The actual bin number is computed at run time based on ray direction
89   and surface intersection, as described below.
90 + If the number of bins is known in advance, it should be specified with the
91 + .I \-bn
92 + option, and this is critical for output files containing multiple values
93 + per record.
94 + Since bin numbers start from 0, the bin count is always equal to
95 + the last bin plus 1.
96 + Set the this value to 0 if the bin count is unknown (the default).
97   The most recent
98 < .I \-b
98 > .I \-b,
99 > .I \-bn
100   and
101   .I \-o
102   options to the left of each
# Line 120 | Line 134 | Unlike
134   will search the RADIANCE library directories for each file given in a
135   .I \-f
136   option.
123 – (No search takes place if a file name begins with a '.', '/' or '~'
124 – character.)\0
137   .PP
138   If no
139   .I \-o
# Line 202 | Line 214 | pcomb -c 100 90 75 c_light1.pic -c 50 55 57 c_light2.p
214   .PP
215   To compute an array of illuminance contributions according to a Tregenza sky:
216   .IP "" .2i
217 < rtcontrib -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
217 > rtcontrib -I+ -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
218   @render.opt -f tregenza.cal scene.oct < test.dat
219   .SH ENVIRONMENT
220 < RAYPATH         path to search for -f files
220 > RAYPATH         path to search for -f and -M files
221   .SH AUTHOR
222   Greg Ward
223   .SH "SEE ALSO"

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