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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 1.11 by greg, Sat Jul 23 19:53:36 2005 UTC

# Line 45 | Line 45 | 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
# Line 120 | Line 124 | Unlike
124   will search the RADIANCE library directories for each file given in a
125   .I \-f
126   option.
123 – (No search takes place if a file name begins with a '.', '/' or '~'
124 – character.)\0
127   .PP
128   If no
129   .I \-o
# Line 202 | 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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