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Comparing ray/doc/man/man1/rtcontrib.1 (file contents):
Revision 1.10 by greg, Fri Jun 10 20:53:55 2005 UTC vs.
Revision 1.14 by greg, Tue Oct 11 16:54:26 2005 UTC

# Line 7 | Line 7 | rtcontrib - compute contribution coefficients in a RAD
7   [
8   .B "\-n nprocs"
9   ][
10 + .B \-fo
11 + |
12   .B \-r
13   ][
14   .B "\-e expr"
# Line 16 | Line 18 | rtcontrib - compute contribution coefficients in a RAD
18   .B "\-o ospec"
19   ][
20   .B "\-b binv"
21 + ][
22 + .B "\-bn nbins"
23   ]
24   {
25   .B "\-m mod | \-M file"
# Line 72 | Line 76 | specification.
76   If a destination begins with an exclamation mark ('!'), then
77   a pipe is opened to a command and data is sent to its standard input.
78   Otherwise, the destination is treated as a file.
79 < An existing file of the same name is clobbered, unless the
79 > An existing file of the same name will not be clobbered, unless the
80 > .I \-fo
81 > option is given.
82 > If instead the
83   .I \-r
84 < option is specified, in which case data recovery is attempted.
84 > option is specified, data recovery is attempted on existing files.
85   If an output specification contains a "%s" format, this will be
86   replaced by the modifier name.
87   The
# Line 85 | Line 92 | this will be applied to a "%d" format in the output fi
92   specification if present.
93   The actual bin number is computed at run time based on ray direction
94   and surface intersection, as described below.
95 + If the number of bins is known in advance, it should be specified with the
96 + .I \-bn
97 + option, and this is critical for output files containing multiple values
98 + per record.
99 + Since bin numbers start from 0, the bin count is always equal to
100 + the last bin plus 1.
101 + Set the this value to 0 if the bin count is unknown (the default).
102   The most recent
103 < .I \-b
103 > .I \-b,
104 > .I \-bn
105   and
106   .I \-o
107   options to the left of each
# Line 204 | Line 219 | pcomb -c 100 90 75 c_light1.pic -c 50 55 57 c_light2.p
219   .PP
220   To compute an array of illuminance contributions according to a Tregenza sky:
221   .IP "" .2i
222 < rtcontrib -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
222 > rtcontrib -I+ -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
223   @render.opt -f tregenza.cal scene.oct < test.dat
224   .SH ENVIRONMENT
225   RAYPATH         path to search for -f and -M files

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