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G-OBJ(1)			 User Commands			      G-OBJ(1)

NAME
       g-obj - BRL-CAD to Wavefront Object File	converter

SYNOPSIS
       g-obj [-mviu] [-xX lvl] [-e error_file] [-D calculation_tolerance]
	     [-a abs_tol] [-r rel_tol] [-n norm_tol] [-P number_of_CPUs]
	     [-o output.obj] database.g	object(s)

DESCRIPTION
       g-obj converts the specified object(s) from a BRL-CAD database.g	file
       to the Wavefront	OBJ file format. The -x	option specifies an RT debug
       flag and	the -X option specifies	an NMG debug flag. The -a , -r , and
       -n options specify tessellation tolerances. The -P option specifies the
       number of CPUs. The -D option specifies a calculational distance
       tolerance (mm). Any two vertices	that are less than this	distance apart
       will be treated as the same vertex. The -u option specifies that	vertex
       normals are desired. The	-v option requests verbose output. The -i
       option requests the output file units to	be inches (the default is mm).
       The -o option specifies the name	of the file to receive the output
       (stdout is the default).	The -m option will result in 'usemtl'
       statements in the output	file. These statements are fictional (they do
       not refer to any	material database). The	materials named	provide
       information about the material codes assigned to	the objects in the
       BRL-CAD database. The material names will be of the form
       'aircode_los_material', where aircode is	the code number	for the	air
       represented by that region, if it does represent	air, otherwise this
       will be zero. The los is	the Line Of Sight thickness (0-100) assigned
       to the region, and the material is the material code number assigned.
       The -e option specifies a file for receiving the	error messages.

EXAMPLE
	   $ g-obj -o sample.obj sample.g sample_object

DIAGNOSTICS
       Error messages are intended to be self-explanatory.

AUTHOR
       BRL-CAD Team

COPYRIGHT
       This software is	Copyright (c) 1997-2019	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

BRL-CAD				  08/27/2021			      G-OBJ(1)

NAME | SYNOPSIS | DESCRIPTION | EXAMPLE | DIAGNOSTICS | AUTHOR | COPYRIGHT | BUG REPORTS

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