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.ad l
.nh
.TH STEREO3D 1 "19 Dec 2010" "Raster3D"
.SH NAME
stereo3d - render a Raster3D scene as a side-by-side stereo pair
.SH SYNOPSIS
stereo3d [options] [-png [outfile.png ]] < infile.r3d > outfile.png
stereo3d [options] -tiff [outfile.tiff] < infile.r3d > outfile.tiff
.PP
\fIstereo3d\fP is a shell script that renders a single Raster3D input
file as a side-by-side stereo pair.
stereo3d uses the Raster3D utilities \fInormal3d\fP and \fIrender\fP,
and the ImageMagick image processing package.
Intermediate scratch files are created in directory TMPDIR, if defined,
otherwise in /usr/tmp.
The right eye and left eye views are separately rendered,
optionally given black borders,
and merged to form a single side-by-side stereo pair.
.PP
Input is from stdin, output is to stdout unless a filename is given
as an argument to the -png or -tiff options.
.PP
.SH EXAMPLES
If the following line would render a single image:
render -tiff single.tiff < input.r3d
then the following line would render the same scene as a
stereo pair instead:
stereo3d -tiff stereo.tiff < input.r3d
.PP
.SH OPTIONS
The options below are specific to stereo3d. All other options,
e.g. -labels or -gamma 1.2 are passed through to the render program.
.B "-angsep"
.PP
By default the stereo effect is generated by a shear operation.
The \fI-angsep\fP option creates stereo by using angular separation instead.
Neither option is perfect: the default handles shadows badly,
and the -angsep option blurs specular highlights.
.B "-border"
.PP
By default the left and right images are placed next to each other with
no intervening space and no frame around them. The \fI-border\fP option
requests a 4 pixel wide black border separating and surrounding the
component images.
.SH SOURCE
.B web URL:
http://www.bmsc.washington.edu/raster3d/raster3d.html
.B contact:
Ethan A Merritt
University of Washington, Seattle WA 98195
merritt@u.washington.edu
.SH SEE ALSO
normal3d(l), render(l), raster3d(l)
.PP
.SH AUTHORS
Ethan A Merritt.
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