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Comparing ray/doc/man/man1/rtcontrib.1 (file contents):
Revision 1.7 by greg, Thu Jun 2 04:47:26 2005 UTC vs.
Revision 1.11 by greg, Sat Jul 23 19:53:36 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"
# Line 15 | Line 17 | rtcontrib - compute contribution coefficients in a RAD
17   ][
18   .B "\-b binv"
19   ]
20 < .B "\-m mod .."
20 > {
21 > .B "\-m mod | \-M file"
22 > }
23 > ..
24   [
25   .B $EVAR
26   ]
# Line 37 | Line 42 | settings.
42   These modifiers are usually materials associated with
43   light sources or sky domes, and must directly modify some geometric
44   primitives to be considered in the output.
45 + A modifier list may also be read from a file using the
46 + .I \-M
47 + option.
48 + The RAYPATH environment variable determines directories to search for
49 + this file.
50 + (No search takes place if a file name begins with a '.', '/' or '~'
51 + character.)\0
52 + .PP
53   The output of
54   .I rtcontrib
55   has many potential uses.
# Line 59 | Line 72 | specification.
72   If a destination begins with an exclamation mark ('!'), then
73   a pipe is opened to a command and data is sent to its standard input.
74   Otherwise, the destination is treated as a file.
75 < (An existing file of the same name is clobbered.)\0
75 > An existing file of the same name is clobbered, unless the
76 > .I \-r
77 > option is specified, in which case data recovery is attempted.
78   If an output specification contains a "%s" format, this will be
79   replaced by the modifier name.
80   The
# Line 109 | Line 124 | Unlike
124   will search the RADIANCE library directories for each file given in a
125   .I \-f
126   option.
112 – (No search takes place if a file name begins with a '.', '/' or '~'
113 – character.)\0
127   .PP
128   If no
129   .I \-o
# Line 191 | Line 204 | pcomb -c 100 90 75 c_light1.pic -c 50 55 57 c_light2.p
204   .PP
205   To compute an array of illuminance contributions according to a Tregenza sky:
206   .IP "" .2i
207 < rtcontrib -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
207 > rtcontrib -I+ -b tbin -o sky.dat -m skyglow -b 0 -o ground.dat -m groundglow
208   @render.opt -f tregenza.cal scene.oct < test.dat
209   .SH ENVIRONMENT
210 < RAYPATH         path to search for -f files
210 > RAYPATH         path to search for -f and -M files
211   .SH AUTHOR
212   Greg Ward
213   .SH "SEE ALSO"

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