adrt [options] model.g object [object ...]ADRT(1)
NAME
adrt - render BRL-CAD geometry with the ADRT triangle ray tracer
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SYNOPSIS
DESCRIPTION
The adrt command is a standalone front end to BRL-CAD’s ADRT renderer. It loads the named objects from model.g, converts their evaluated geometry to triangles, frames the model, and writes a rendered image. It provides a compact command-line interface for ADRT’s path, shaded, diagnostic, spall-cone, and cut visualization modes without requiring the distributed ADRT master/slave tools.
The default view uses azimuth 35 degrees, elevation 25 degrees, and a perspective camera. Explicit eye and look-at points may be supplied instead. The output format is selected from the extension of the file named by -o.
OPTIONS
- -o file
-
Write the rendered image to file. Default is adrt.png.
- -s N
-
Set both image dimensions to N pixels. Default is 512.
- -w N
-
Set the image width, overriding the width selected by -s.
- -n N
-
Set the image height, overriding the height selected by -s.
- -m mode
-
Select path, phong, normal, depth, flat, spall, or cut. Default is path.
- -H N
-
Use N samples per pixel in path mode. Default is 32.
- -b buffer
-
Pass a raw initialization string to a mode that accepts one, such as cut or spall. This is an advanced renderer-specific option.
- -A angle
-
Set the full spall-cone angle in degrees. Default is 30.
- -a azimuth
-
Set the view azimuth in degrees. Default is 35.
- -e elevation
-
Set the view elevation in degrees. Default is 25.
- -E x,y,z
-
Set an explicit eye point in model units, overriding -a and -e.
- -L x,y,z
-
Set an explicit look-at point in model units. Default is the model center.
- -p angle
-
Set the perspective half-angle in degrees. Default is 25.
- -C r/g/b
-
Set the environment/sky color with 0-255 components. Default is 230/237/255.
- -P N
-
Use N render threads. By default all available processors are used.
EXAMPLES
Example 1. Render with the path tracer
adrt -s 1024 -H 64 -o model.png model.g all.gRenders all.g into a 1024x1024 PNG with 64 samples per pixel.
Example 2. Inspect surface normals
adrt -m normal -a 45 -e 30 -o normals.png model.g part.rRenders a diagnostic normal image of part.r from the specified view.
Example 3. Visualize a spall cone
adrt -m spall -A 40 -o spall.png model.g target.rUses the spall visualization mode with a 40-degree full cone angle.
SEE ALSO
adrt_master(1), adrt_slave(1), art(1), rt(1)
AUTHOR
BRL-CAD Team
COPYRIGHT
This software is Copyright (c) 1989-2026 by the United States Government as represented by U.S. Army Research Laboratory.
BUG REPORTS
Reports of bugs or problems should be submitted via electronic mail to devs@brlcad.org