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Comparing ray/doc/man/man1/rtcontrib.1 (file contents):
Revision 1.5 by greg, Fri May 27 19:15:28 2005 UTC vs.
Revision 1.7 by greg, Thu Jun 2 04:47:26 2005 UTC

# Line 11 | Line 11 | rtcontrib - compute contribution coefficients in a RAD
11   ][
12   .B "\-f source"
13   ][
14 < .B "\-o fspec"
14 > .B "\-o ospec"
15   ][
16   .B "\-b binv"
17   ]
# Line 53 | Line 53 | calls
53   .I rtrace(1)
54   with the -oTW option to calculate the daughter ray
55   contributions for each input ray, and the output tallies
56 < are sent to one or more files according to the given
56 > are sent to one or more destinations according to the given
57   .I \-o
58   specification.
59 + If a destination begins with an exclamation mark ('!'), then
60 + a pipe is opened to a command and data is sent to its standard input.
61 + Otherwise, the destination is treated as a file.
62 + (An existing file of the same name is clobbered.)\0
63   If an output specification contains a "%s" format, this will be
64   replaced by the modifier name.
65   The
# Line 99 | Line 103 | The rules and predefined functions available for these
103   described in the
104   .I rcalc(1)
105   man page.
106 + Unlike
107 + .I rcalc,
108 + .I rtcontrib
109 + will search the RADIANCE library directories for each file given in a
110 + .I \-f
111 + option.
112 + (No search takes place if a file name begins with a '.', '/' or '~'
113 + character.)\0
114   .PP
115   If no
116   .I \-o
117   specification is given, results are written on the standard output in order
118   of modifier (as given on the command line) then bin number.
119 < Concatenated data is also sent to a lone output file (i.e., an initial
119 > Concatenated data is also sent to a single destination (i.e., an initial
120   .I \-o
121   specification without formatting strings).
122   If a "%s" format appears but no "%d" in the
# Line 181 | Line 193 | To compute an array of illuminance contributions accor
193   .IP "" .2i
194   rtcontrib -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
195   @render.opt -f tregenza.cal scene.oct < test.dat
196 + .SH ENVIRONMENT
197 + RAYPATH         path to search for -f files
198   .SH AUTHOR
199   Greg Ward
200   .SH "SEE ALSO"

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