OpenGL® Volumizer Programmer's Guide
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OpenGL^® Volumizer Programmer's Guide

Document Number: 007-3720-002

| List of Figures | List of Examples |

Table of Contents

About This Guide

Audience for This Guide
How to Use This Guide
What This Guide Contains
New in This Revision
Recommended Reference Materials
Conventions Used in This Guide
Reader Comments

1. Volumizer Advantages

Volumizer Advantages
Where OpenGL Volumizer Fits In

2. Basic Concepts in Volumizer

Volumetric vs. Surface-Based Models
Decoupling Geometry and Appearance
Volume Rendering Techniques
Using Minimal Tessellations
Virtualizing Voxel Memory
Polygonizing Shapes

3. Programming Template

Audience for this Chapter
High-Level Overview of Procedure
Step 1: Inclusions and Declarations
Step 2: Define Appearance
Step 3: Define Geometry
Step 4: Drawing Volumes
Step 5: Using Lookup Tables
Step 6: Handling Errors
Step 7: Clean Up

4. Sample OpenGL Volumizer Application

glwSimpleVolume.cxx
glwSimpleMain.cxx

5. Volumizer API at a Glance

Functional Categories
Class Hierarchy
Brief Descriptions of the Volumizer Classes

6. Volumetric Geometry

Data Structures
Clipping Planes
Arbitrarily Shaped Volumes of Interest
Using Higher-Level Geometric Primitives
Higher-Level Geometric Primitives and Solids
Mixing Volumes and Surfaces
Rendering Multiple Volumes
Polygonizing Arbitrarily Oriented Cross Sections
Shading
Volume Roaming
Picking Volumetric Objects
Auxiliary Methods

7. Volumetric Appearance

Texture Bricking
Brick Sets
Brick Set Collections
Allocating Brick Data
Loading Brick Data
Creating Custom Loaders
Test Volumes
Accessing and Modifying Voxels After Initialization

8. Customized Volume Drawing

Customized Volume Drawing Procedure
clip()
Drawing Brick Set Collections

A. Volume Rendering Examples

OpenGL Examples
Open Inventor Examples
IRIS Performer Example

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