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Revision 1.5 by greg, Fri May 27 19:15:28 2005 UTC vs.
Revision 1.8 by greg, Thu Jun 9 17:27:27 2005 UTC

# Line 7 | Line 7 | rtcontrib - compute contribution coefficients in a RAD
7   [
8   .B "\-n nprocs"
9   ][
10 + .B \-r
11 + ][
12   .B "\-e expr"
13   ][
14   .B "\-f source"
15   ][
16 < .B "\-o fspec"
16 > .B "\-o ospec"
17   ][
18   .B "\-b binv"
19   ]
# Line 53 | Line 55 | calls
55   .I rtrace(1)
56   with the -oTW option to calculate the daughter ray
57   contributions for each input ray, and the output tallies
58 < are sent to one or more files according to the given
58 > are sent to one or more destinations according to the given
59   .I \-o
60   specification.
61 + If a destination begins with an exclamation mark ('!'), then
62 + a pipe is opened to a command and data is sent to its standard input.
63 + Otherwise, the destination is treated as a file.
64 + An existing file of the same name is clobbered, unless the
65 + .I \-r
66 + option is specified, in which case data recovery is attempted.
67   If an output specification contains a "%s" format, this will be
68   replaced by the modifier name.
69   The
# Line 99 | Line 107 | The rules and predefined functions available for these
107   described in the
108   .I rcalc(1)
109   man page.
110 + Unlike
111 + .I rcalc,
112 + .I rtcontrib
113 + will search the RADIANCE library directories for each file given in a
114 + .I \-f
115 + option.
116 + (No search takes place if a file name begins with a '.', '/' or '~'
117 + character.)\0
118   .PP
119   If no
120   .I \-o
121   specification is given, results are written on the standard output in order
122   of modifier (as given on the command line) then bin number.
123 < Concatenated data is also sent to a lone output file (i.e., an initial
123 > Concatenated data is also sent to a single destination (i.e., an initial
124   .I \-o
125   specification without formatting strings).
126   If a "%s" format appears but no "%d" in the
# Line 181 | Line 197 | To compute an array of illuminance contributions accor
197   .IP "" .2i
198   rtcontrib -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
199   @render.opt -f tregenza.cal scene.oct < test.dat
200 + .SH ENVIRONMENT
201 + RAYPATH         path to search for -f files
202   .SH AUTHOR
203   Greg Ward
204   .SH "SEE ALSO"

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