ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/Development/ray/doc/man/man1/rcontrib.1
(Generate patch)

Comparing ray/doc/man/man1/rcontrib.1 (file contents):
Revision 1.1 by greg, Thu Jun 14 22:42:21 2012 UTC vs.
Revision 1.5 by greg, Thu Jun 14 22:51:04 2012 UTC

# Line 1 | Line 1
1   .\" RCSid "$Id$"
2 < .TH RTCONTRIB 1 5/25/05 RADIANCE
2 > .TH RCONTRIB 1 5/25/05 RADIANCE
3   .SH NAME
4   rcontrib - compute contribution coefficients in a RADIANCE scene
5   .SH SYNOPSIS
# Line 42 | Line 42 | rtrace options
42   .br
43   .B "rcontrib [ options ] \-defaults"
44   .SH DESCRIPTION
45 < .I Rtcontrib
45 > .I Rcontrib
46   computes ray coefficients
47   for objects whose modifiers are named in one or more
48   .I \-m
# Line 61 | Line 61 | character.)\0
61   If the
62   .I \-n
63   option is specified with a value greater than 1, multiple
64 – .I rtrace
64   processes will be used to accelerate computation on a shared
65   memory machine.
66   Note that there is no benefit to using more processes
# Line 128 | Line 127 | More generally,
127   can be used to compute arbitrary input-output relationships in optical
128   systems, such as luminaires, light pipes, and shading devices.
129   .PP
130 < .I Rtcontrib
131 < calls
132 < .I rtrace(1)
134 < with the \-oTW (or \-oTV) option to calculate the daughter ray
135 < contributions for each input ray, and the output tallies
136 < are sent to one or more destinations according to the given
130 > .I Rcontrib
131 > sends the accumulated rays tallies
132 > to one or more destinations according to the given
133   .I \-o
134   specification.
135   If a destination begins with an exclamation mark ('!'), then
# Line 162 | Line 158 | this will be applied to a "%d" format in the output fi
158   specification if present.
159   The actual bin number is computed at run time based on ray direction
160   and surface intersection, as described below.
161 < If the number of bins is known in advance, it should be specified with the
161 > The number of bins must be specified in advance with the
162   .I \-bn
163   option, and this is critical for output files containing multiple values
164   per record.
# Line 196 | Line 192 | If a
192   .I \-b
193   expression is defined for a particular modifier,
194   the bin number will be evaluated at run time for each
195 < ray contribution from
200 < .I rtrace.
195 > ray contribution.
196   Specifically, each ray's world intersection point will be assigned to
197   the variables Px, Py, and Pz, and the normalized ray direction
198   will be assigned to Dx, Dy, and Dz.

Diff Legend

– Removed lines
+ Added lines
< Changed lines (old)
> Changed lines (new)