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Comparing ray/doc/man/man1/rsensor.1 (file contents):
Revision 1.2 by greg, Tue Apr 22 02:08:02 2008 UTC vs.
Revision 1.4 by greg, Sun Sep 26 15:41:46 2010 UTC

# Line 29 | Line 29 | rsensor - compute sensor signal from a RADIANCE scene
29   }
30   .B octree
31   .br
32 + .B rsensor
33 + [
34 + .B -h
35 + ]
36 + {
37 + [
38 + .B -rd nrays
39 + ][
40 + .B sensor_view
41 + ]
42 + .B sensor_file ..
43 + }
44 + .B "."
45 + .br
46   .B "rsensor [ options ] \-defaults"
47   .SH DESCRIPTION
48   .I Rsensor
# Line 38 | Line 52 | sensors into the RADIANCE scene given by
52   sending the computed sensor value to the standard output.
53   (The octree may be given as the output of a command enclosed in quotes
54   and preceded by a `!'.)\0
55 < In the second form, the default values
55 > In the second form, a single period ('.') is given in place of an
56 > octree, and the origin and directions of the specified
57 > number of rays will be printed on the standard output.
58 > If these rays are later traced and added together, the results
59 > will sum to a signal proportional to the given sensor distribution.
60 > In the third form, the default values
61   for the options (modified by those options present)
62   are printed with a brief explanation.
63   .PP
# Line 63 | Line 82 | vector will determine the zero azimuthal direction of
82   The fore clipping distance may be used as well, but other view
83   options will be ignored.
84   (See
85 < .I rpict\.1
85 > .I rpict(1)
86   for details on how to specify a view.)\0
87   The actual data contained in the sensor file corresponds to the
88   .I SPOT
# Line 86 | Line 105 | sensors, where the
105   .I \-rd
106   option controls the number of ray samples sent at random, and the
107   .I \-dn
108 < option controls the number of rays sent to light sources per sensor.
108 > option controls the number of rays sent to each light source per sensor.
109   .PP
110   The
111   .I \-h
# Line 96 | Line 115 | The
115   option may be used to specify multiple calculation processes on
116   systems with more than one CPU.
117   For additional options, consult the
118 < .I rtrace\.1
118 > .I rtrace(1)
119   man page.
120   The final
121   .I octree
# Line 106 | Line 125 | standard input.
125   To compute values for the same sensor with two different positions:
126   .IP "" .2i
127   rsensor -ab 2 -vf posA.vf mysens.dat -vf posB.vf mysens.dat scene.oct
128 + .PP
129 + To generate a set of rays corresponding to a given sensor and compute
130 + the resulting signal with rtrace:
131 + .IP "" .2i
132 + rsensor -h -vf posC.vf mysens.dat . | rtrace -h scene.oct | total -m
133   .SH ENVIRONMENT
134   RAYPATH         the directories to check for auxiliary files.
135   .SH AUTHOR

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