• Articles

    • About BRL-CAD

      • Introduction

    • Build Pattern

      • Build Pattern Information

      • Pattern Name

      • Common Fields For All Pattern Fields

      • Strings Substitution

      • Rectangular Patterns

      • Spherical Patterns

      • Cylindrical Patterns

    • Build Region

    • Camouflage Shader

      • Introduction

      • Limitations

    • GED

      • Preface

      • Introduction

      • Comgeom Background

      • Computer Graphics

      • Approach To The Problem

      • GED Overview

      • GED Internal Data Structure

      • Keyboard Commands

      • Peripheral Devices

      • ADC

      • Viewing Functions

      • Selecting Objects For Editing

      • Object Editing

      • Solid Editing

      • Conclusion

    • MGED

      • Preface

      • Modeling With CSG

        • Starting MGED

        • The Screen Coordinate System

        • Creating Geometry

        • Editing Solids

        • Adding A Base

        • Adding A Fillet

      • MGED’s New Graphical User Interface

        • MGED’s New Graphical User Interface

      • Command Line Editing

        • Emacs Bindings

        • Vi Bindings

        • Insert Mode

        • Command Mode

      • MGED User Commands

        • MGED Developer Commands

      • MGED Tcl Variables

      • MGED Environment Variable

      • MGED Callback

      • Glossary

      • BRLCAD Solids

    • MGEDRC

    • About Nirt

      • Nirt: Basic Syntax and Operations

        • Command Line Help

        • Loading A Model

        • Shooting a Ray

        • Moving The Origination Point

        • Backing Out of a Model

        • Changing the Direction of the Ray

        • Reporting of Overlaps

      • Graphical Visualization: NIRT in MGED

        • Basic Usage

        • Backing Out with NIRT in MGED

        • Ray Segment Coloring with NIRT and MGED

        • Mouse-Based NIRT Usage

        • Configuring NIRT

      • Reporting Options

        • How To Change The Report Format

        • Handling Attribute Reporting

        • Changing Units

      • Other Options

        • Silent and Verbose Modes

        • Using Air Regions

        • Reading an Orientation Matrix and Command

      • Scripting NIRT

        • Command Line Scripts

        • Scripts Files

        • Defining a Custom Reporting Format

        • Customizing Report Output in MGED

        • Reporting Attributes in MGED

        • Available Information for Inclusion in Reports

      • Summary

    • oed

      • oed - Basic Syntax and Operations

      • Right Hand Path Selection

      • Flexible_Manipulation

      • Sub-Combination Editing

      • Summary

    • Pipe

      • General Use

      • Making a Coil

    • Projection Shader

      • General

      • Create/Obtain an Image to Project

      • Resize the Graphics Display

      • Ensure the Framebuffer is Active

      • Display the Image

      • Overlay the Image

      • Save the Projection Shader Settings File

      • Render the Image

      • Project the Image on the Front

    • Tire

      • Specifying Tire

      • Options for Tire

      • Setting Tire Thickness

      • Changing the Rim Width

      • Changing the Radial

      • Other Options

      • Structure of a Tire Model

      • Summary

    • Template

  • Books

    • BRL-CAD Tutorial Series-VolumeI

      • What is Brlcad ?

      • Why CSG Modeling?

      • Package Content

      • Libraries

      • Tools Utilities

      • Benchmark Testing

      • Acknowledgments

    • BRL-CAD Tutorial Series-VolumeII

      • Preface

      • Acknowledgments

      • Creating Primitive Shapes

        • Launching the MGED Program

        • Entering Commands

        • Using Gui

        • Open New Database

        • Create New Database

        • Assign Title

        • Set Units

        • Select Primitive

        • Create Sphere Cmd Line

        • Clear Window

        • Draw Object

        • Erase From Window

        • Create Sphere Gui

        • View Params

        • List db Contents

        • Kill Object

        • Editing Commands

        • Quitting

        • Creating Primitive Shapes Review

      • Learning the Viewing Options

        • Creating Radio

        • Locating Viewing info Cmd Window

        • Entering Commands

        • Entering Commands

        • Coord sys Summary

        • View Radio Angles

        • Shift Grips

        • Learning viewing options Review

      • Using the Insert Command to Size and Place Shapes

        • New db MyShapes

        • Sphere Make

        • Using in

        • Args on one Line

        • Command Combined in

        • Mged Naming Conventions

        • View Shapes

        • Using insert command quit

        • using insert command review

      • Assigning Material Properties and Raytracing

        • Assigning material properties and raytracing opendb

        • Create Region

        • Assign Material Prop

        • Clear Window New Region

        • Raytrace Model

        • Layers Graphics Window

        • Clear Graphics Window

        • Review

      • Learning About Boolean Expressions

        • Boolean Tools

        • Making regions bool ops

        • Operator Precedence

        • Review

      • Creating a Goblet

        • Goblet New Database

        • Goblet view Data Tree

        • Raytracing Goblet

        • Creating Goblet Review

        • Making Goblet Regions

        • Making Goblet Region Comb

        • Making Goblet Region Comb

      • Assigning Material Properties to Your Goblet

        • Goblet review opening db

        • Goblet assign colors

        • Goblet transparency mirror

        • Goblet newforms Raytrace

        • Goblet material properties review

      • Assigning More Material Properties to Your Goblet

        • Goblet specular diffuse

        • Goblet refractive index

        • Goblet shininess

        • Goblet extinction

        • Goblet emission

        • Goblet shader attributes

      • Goblet material properties2 review

        • Creating a Globe in a Display Box

        • Globe in display newdb

        • Globe create display box

        • Create globe in box

        • Globe assign mater prop

        • Globe move rotate

        • Globe use color tool

        • Globe in display box review

      • Refining the Mug

        • Mug new db

        • Mug outside cyl

        • Mug handle

        • Mug comb1

        • Mug comb2

        • Mug region

        • Mug review

      • Creating the Mug Through the GUI

        • Mug mater prop mater cmd

        • Mug raytrace1

        • Mug refining

        • Mug torus cup combine

        • Refining mug review

      • Placing Shapes in 3-D Space

        • candle create tabletop

        • candle create base

        • candle create candle

        • candle create flame

        • candle create combination

        • candle check data tree

        • candle assign mater prop

        • candle raytrace

        • placing shapes in 3d review

      • Gaining More Practice Placing Shapes in Space

        • candle base 1st sphere

        • multipane feature

        • copies of shapes

        • practice make regions spheres

        • candle base spheres combine

        • placing shapes in 3d 2 review

        • candle assign mater prop

        • candle raytrace

        • placing shapes in 3d review

      • Creating a Toy Truck

        • truck cab in cmd

        • truck hood in cmd

        • truck cab wheel well

        • ok accept apply reset cancel dismiss

        • truck wheel well prim edit cpy

        • truck cab shape comb

        • truck body in cmd

        • prim ed wheel wells

        • truck body wheel wells comb

        • truck cab body region

        • truck wheels

        • truck wheels region

        • truck regions mater props

        • on screen help

        • stacker shading

        • using stacker shading

        • truck combine regions

        • truck raytracing

        • creating toy truck review

      • Learning Modeling Techniques and Structures

        • Radio shapes to regions

        • body of radio

        • radio other regions

        • radio assembly comb

        • radio assign mater props

        • radio internal components

        • radio specialty models

        • radio structure redefinition

        • modeling techniques and structures review

    • BRL-CAD_Tutorial_Series-VolumeIII

      • Introduction

      • The Model Process

        • The Importance of the Model Mission

        • M-O-D-E-L: A Five-Step Approach to Creating Effective Models

      • Projshader resize

      • Projshader getimage

      • Projshader actframe

      • Projshader dispimage

      • Projshader overlay image

      • Projshader savesettings file

      • Projshader projectfront

      • Build pattern generalinfo

      • Build pattern general Info

      • Build pattern names

      • Build pattern fields

      • Build pattern stringsub

      • Build pattern recpatterns

      • Build pattern cyl ind

      • Build pattern spherical

      • Model process

      • Measuring data

      • organizing

      • develop geometry

      • Build pattern recpatterns

    • BRL-CAD_Tutorial_Series-VolumeIV

      • Introduction

        • Background, Purpose, and Scope

        • The Need for Conversion

      • Pert char

        • CSG_vs._BREP

        • Prerelease 6.0 Database vs. Current Format

        • Converters Currently Available in BRL-CAD

      • Convert from to ascii

        • Converting From ASCII

        • Converting_to_ASCII

      • Convert to brlcad

        • General Information About Converting to BRL-CAD

        • Converting From AutoCAD DXF Format

        • Converting From Elysium Neutral Facetted Format

        • Converting From EUCLID Format

        • Converting From FASTGEN Format

        • Converting From IGES Format

        • Converting From Jack

        • Converting From NASTRAN Format

        • Converting From Pro/E Format

        • Converting From STL Format

        • Converting From TANKILL Format

        • Converting From Unigraphics Format

        • Converting From Viewpoint Datalabs Format

      • Convert from brlcad

        • General Information About Converting From BRL-CAD

        • Converting to ACAD Format

        • Converting to AutoCAD DXF Format

        • Converting to EUCLID Format

        • Converting to IGES Format

        • Converting to Jack

        • Converting to STL Format

        • Converting to TANKILL Format

        • Converting to VRML Format

        • Converting to Wavefront Format

        • Converting to X3D Format

      • Build new converter

        • General Information About Building a New Converter

        • Converting From BRL-CAD

        • Converting to BRL-CAD

      • Postconversion issues

  • Lessons

    • Mged01 creating primitive shapes

      • Launching Mged

      • Entering commands

      • Using gui

      • Open new database

      • Create new database

      • Assign title

      • Set units

      • Select primitive

      • Create sphere cmd line

      • Clear window

      • Clear window

      • Draw object

      • Erase from window

      • Create sphere gui

      • view params

      • List db contents

      • Kill object

      • Editing commands

      • Quitting

      • Creating primitive shapes review

    • Mged02 Learning Viewing Options in MGED

      • Creating radio

      • Locating viewing info cmd window

      • Viewing system elements

      • Coord sys summary

      • View radio angles

      • Shift grips

      • Learning viewing options review

    • Command to Size and Place Shapes

      • New db MyShapes

      • Sphere Make

      • Using in

      • Args on one Line

      • Command Combined in

      • Mged Naming Conventions

      • View Shapes

      • Using insert command quit

      • using insert command review

    • Assigning Material Properties and Raytracing

      • Assigning material properties and raytracing opendb

      • Create Region

      • Assign Material Prop

      • Clear Window New Region

      • Raytrace Model

      • Layers Graphics Window

      • Clear Graphics Window

      • Review

    • Learning About Boolean Expressions

      • Boolean tools

      • Boolean operations

      • Making regions bool ops

      • Operator precedence

      • Learning boolean operations review

    • Creating a Goblet

      • Goblet New Database

      • Goblet view Data Tree

      • Raytracing Goblet

      • Creating Goblet Review

      • Making Goblet Regions

      • Making Goblet Region Comb

      • Making Goblet Region Comb

    • Assigning Material Properties to Your Goblet

      • Goblet review opening db

      • Goblet assign colors

      • Goblet transparency mirror

      • Goblet newforms Raytrace

      • Goblet material properties review

    • Assigning More Material Properties to Your Goblet

      • Goblet specular diffuse

      • Goblet refractive index

      • Goblet shininess

      • Goblet extinction

      • Goblet emission

      • Goblet shader attributes

    • Goblet material properties2 review

      • Creating a Globe in a Display Box

      • Globe in display newdb

      • Globe create display box

      • Create globe in box

      • Globe assign mater prop

      • Globe move rotate

      • Globe use color tool

      • Globe in display box review

    • Refining the Mug

      • Mug new db

      • Mug outside cyl

      • Mug handle

      • Mug comb1

      • Mug comb2

      • Mug region

      • Mug review

    • Creating the Mug Through the GUI

      • Mug mater prop mater cmd

      • Mug raytrace1

      • Mug refining

      • Mug torus cup combine

      • Refining mug review

    • Creating the Mug Through the GUI

      • Mug gui create body

      • Mug gui create handle

      • Mug gui create rim

      • Mug gui create combinations

      • Mug gui make region

      • Mug gui check tree

      • Mug gui comb edit props

      • Mug gui raytracing

      • Mug through gui review

    • Placing Shapes in 3-D Space

      • candle create tabletop

      • candle create base

      • candle create candle

      • candle create flame

      • candle create combination

      • candle check data tree

      • candle assign mater prop

      • candle raytrace

      • placing shapes in 3d review

    • Gaining More Practice Placing Shapes in Space

      • candle base 1st sphere

      • multipane feature

      • copies of shapes

      • practice make regions spheres

      • candle base spheres combine

      • placing shapes in 3d 2 review

      • candle assign mater prop

      • candle raytrace

      • placing shapes in 3d review

    • Creating a Toy Truck

      • truck cab in cmd

      • truck hood in cmd

      • truck cab wheel well

      • ok accept apply reset cancel dismiss

      • truck wheel well prim edit cpy

      • truck cab shape comb

      • truck body in cmd

      • prim ed wheel wells

      • truck body wheel wells comb

      • truck cab body region

      • truck wheels

      • truck wheels region

      • truck regions mater props

      • on screen help

      • stacker shading

      • using stacker shading

      • truck combine regions

      • truck raytracing

      • creating toy truck review

    • Learning Modeling Techniques and Structures

      • Radio shapes to regions

      • body of radio

      • radio other regions

      • radio assembly comb

      • radio assign mater props

      • radio internal components

      • radio specialty models

      • radio structure redefinition

      • modeling techniques and structures review

  • Man 1

    • AP Pix

    • Asc2dsp

    • ASC2G

    • ASC NMG

    • ASC PLOT 3

    • Azel

    • Bary

    • Benchmark

    • Bot Dump

    • Brep Simple

    • Brlcad

    • BrlCad Config

    • Buffer

    • BW 3 Pix

    • BwCrop

    • BWDfiff

    • BW FB

    • BW Filter

    • Bwhist

    • Bwhisteq

    • Bw Imp

    • Bwmod

    • BW PIX

    • BW PNG

    • BW PS

    • BW Rect

    • BW RLE

    • BW ROT

    • BW SCALE

    • BW Shrink

    • BW STAT

    • BW THRESH

    • CAP Boundp

    • CAD Parea

    • Canonize

    • Cell FB

    • Cmap FB

    • Coil

    • Comgeom G

    • Conv vg2g

    • Cv

    • Cy-g

    • db

    • Db Clean

    • Db cp

    • Decimate

    • Dpix pix

    • Dxf-g

    • enf-g

    • euclid-g

    • Fast4-g

    • Fbanim

    • Fb-bw

    • Fbcbars

    • Fbclear

    • Fbcmap

    • Fb Cmap

    • Fbcmrot

    • Fbcolor

    • Fbed

    • Fbfade

    • FB-FB

    • Fb Frame

    • Fb Free

    • Fb Gamma

    • Fb Grid

    • Fb Help

    • Fb Label

    • Fb Line

    • Fb pix

    • Fb Png

    • Fb Point

    • Fb RLE

    • Fb Scanplot

    • Fb Serv

    • Fb Stretch

    • Fb zoom

    • Fir pass

    • G2asc

    • g-aced

    • Gdiff2

    • G Diff

    • G dxf

    • G-egg

    • Gen Color

    • g-euclid

    • Gif 2 fb

    • Gif Fb

    • g-iges

    • G Lint

    • G-niff

    • G nmg

    • G obj

    • gqa

    • G raw

    • G Shell Rect

    • G Step

    • G-stl

    • G tankill

    • G-var

    • G x3d

    • Halftone

    • hex

    • Iges-g

    • Imgdims

    • Irdisp

    • Ir-X

    • Lgt

    • Loop

    • Mac Pix

    • Mged

    • Morphedit

    • Nastran

    • Nirt

    • nmg-bot

    • Nmg-rib

    • obj-g

    • Patch G

    • Pictx

    • Pix 2 asc

    • Pix Alias

    • Pix Autosize

    • Pix Backgnd

    • Pix Gstrip

    • Pix Blend

    • Pix border

    • Pix Bustup

    • Pix Bw

    • Pix Bw 3

    • Pix Clump

    • Pix Cmp

    • Pix Color

    • Pix Cut

    • Pix Diff

    • Pix Fade

    • Pix fb

    • Pix Filter

    • Pix Halve

    • Pix hist

    • Pix hist3d

    • Pix hist3d Plot3

    • Pix Interp2x

    • Pix Matte

    • Pix Merge

    • Pix Morph

    • Pix Png

    • Pix Ppm

    • Pix ps

    • Pix Rect

    • Pix rle

    • Pix rot

    • Pix saturate

    • pixscale

    • Pix Shrink

    • Pix Stat

    • Pix subst

    • Pix Sun

    • Pixtile

    • Pix untile

    • Plot3 Asc

    • Plot 3 Color

    • Plot 3 debug

    • Plot3-fb

    • Plot 3 get frame

    • Plot 3 hpgi

    • Plot 3 line 2

    • Plot 3

    • Plot3 ps

    • Plot 3 rot

    • Plot 3 tek

    • Plot3 x

    • ply g

    • Png bw

    • Png fb

    • Png Info

    • Png Pix

    • PP FB

    • Proe-g

    • Random

    • Ramapid

    • Remrt

    • Reshoot

    • Rle Fb

    • Rle Pix

    • Rpatch

    • Rt

    • Rtarea

    • Rt Bot Faces

    • Rt Check

    • R Tedge

    • Rt example

    • RTG3

    • RT Hide

    • RT PP

    • Rt Range

    • R Tray

    • Rt Scale

    • Rt shot

    • Rt Walk

    • Rt Weight

    • Rt Wizard

    • Rt xray

    • Script sort

    • Sec Pass

    • Shape Fact

    • Show Shot

    • Show Therm

    • Stl g

    • Sun Pix

    • Tankill G

    • Terrain

    • Tire

    • Ug g

    • Vdeck

    • View Point

    • wavelet

    • Wdb Example

  • Man 3

    • Lib fb

    • Lib Role

    • Lib Plot3

    • Librt

    • Libwdb

    • Red Black

  • Man 5

    • Attributes

    • bw

    • Cmap

    • Dsp

    • Pix

    • Plot 3

  • Mann

    • 3 Ptarb

    • ADC

    • AE

    • Alias Pix

    • Analyze

    • Animmate

    • Apropos

    • Apropos Devel

    • Apropos Lib

    • Arced

    • Area

    • Arot

    • Attach

    • Attr

    • Auto View

    • B

    • BB

    • Bev

    • Bo

    • Bolt

    • Bot Condense

    • Bot Decimate

    • Bot Face Fuse

    • Bot Face Sort

    • Bot Flip

    • Bot Sync

    • Bot Vertex Fuse

    • Brep

    • Build Region

    • C

    • Cat

    • Center

    • Color

    • Comb

    • Comb Color

    • CopyEval

    • Copy Mat

    • CP

    • CPI

    • D

    • DB

    • DB Concat

    • DB Glob

    • DB Upgrade

    • De Bugbu

    • De Bugdir

    • De Buglib

    • De Bugnmg

    • De Compose

    • Delay

    • DM

    • Draw

    • Dup

    • E

    • EAC

    • Echo

    • E Command

    • Ed Codes

    • Ed Color

    • Ed Comb

    • Ed Gedir

    • Edit

    • Edit Translate

    • Ed Mater

    • EQN

    • Erase

    • EV

    • Exists

    • Exit

    • Expand

    • Extrude

    • Eye Pt

    • Face Def

    • Facetize

    • Find

    • Fracture

    • G

    • Garbage Collect

    • Gastank

    • GQA

    • GR

    • Graph

    • Gui

    • Handle

    • Help

    • Help Devel

    • Help Lib

    • Hide

    • History

    • I

    • Idents

    • I Graph

    • ILL

    • IN

    • Inside

    • Introduction

    • ITEM

    • Journal

    • Keep

    • Key Point

    • Kill

    • Kill All

    • Kill Tree

    • Knob

    • L

    • Labelvert

    • Lc

    • Listeval

    • Load Tk

    • Lookat

    • Ls

    • M

    • Make

    • Make Pnts

    • Mater

    • Mat Pick

    • MirFace

    • Mrot

    • Mv

    • Mvall

    • Nirt

    • NMG Collapse

    • NMG Simplify

    • oed

    • Open DB

    • Orientation

    • Orot

    • Oscale

    • Over Lay

    • P

    • Pathlist

    • Path

    • Permute

    • Picket Fence

    • Plot

    • Pr Color

    • Prefix

    • Press

    • Preview

    • Prj Add

    • Ps

    • Pull

    • Push

    • Put Comb

    • Putmat

    • Q

    • Qorot

    • Qray

    • Query Ray

    • Quit

    • Qvrot

    • R

    • Rcc Blend

    • Rcc Cap

    • Rcc Tgc

    • rcc-tor

    • Rocdes

    • Red

    • Refresh

    • Regdebug

    • Regdef

    • Regions

    • Reid

    • Release

    • Rfarb

    • RM

    • Rmater

    • Rot

    • Rotobj

    • Rpp Arch

    • Rpp Cap

    • RRT

    • Rt

    • Rt area

    • Rt Check

    • Save View

    • Sca

    • Search

    • Sed

    • Set View

    • Shader

    • Shell

    • Show Mats

    • Size

    • Solids

    • Sph Part

    • Status

    • Summary

    • Sv

    • Sync

    • T

    • Ted

    • Title

    • Tol

    • Tops

    • Tor rcc

    • Tra

    • Track

    • Translate

    • Tree

    • Units

    • Vars

    • Vdraw

    • View

    • Viewsize

    • Vnirt

    • Voxelize

    • Vquery Ray

    • vrot

    • Wcodes

    • What Id

    • WhichAir

    • Which Shader

    • Who

    • Window

    • Window Frame

    • Wire

    • Wmater

    • X

    • Xpuch

    • Z

    • zoom

  • Presentations

    • Application Development with BRL-CAD

    • Introduction To TclTK

  • Specifications

    • BRL-CAD G Format V5

      • Background and Terminology

        • Format of Data Elements Database External Format

      • Definition of a Single, Generic Database Object

        • Object Structure

        • Flags

        • Object Type

        • Object Length

        • Object Name

        • Object Attributes

        • Object Body

        • Padding and Length Rounding

        • How Objects Are Grouped into a Database

        • Details of BRL-CAD-Specific Nongeometric Database Object Types

        • Details of BRL-CAD-Specific Geometric Database Object Types

        • Extensions for Deferred Implementation

        • Community Feedback on the Proposal

        • Database Library Application Programming Interface (API)