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Blender 2.5 Lighting and Rendering

Aaron W. Powell

Bring your 3D world to life with lighting, compositing, and rendering
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Book Details

ISBN 139781847199881
Paperback252 pages

About This Book

  • Render spectacular scenes with realistic lighting in any 3D application using interior and exterior lighting techniques
  • Give an amazing look to 3D scenes by applying light rigs and shadow effects
  • Apply color effects to your scene by changing the World and Lamp color values
  • A step-by-step guide with practical examples that help add dimensionality to your scene


Who This Book Is For

If you are a Blender user and you want to improve the quality of your renders, this book is for you. You need to have experience in Blender and know your way around the Blender interface. You may be a professional or freelancer or hobbyist willing to increase the quality of your portfolio and interested in adding perfection to your renders.

Table of Contents

Chapter 1: Introduction to Color Theory and Lighting Basics in Blender
Basic color theory
Lighting basics in Blender
Basic light rigs
Chapter 2: Outdoor Lighting: Setting Up Our Scene
Getting the right files
Blender render settings
Establishing a workflow
Adding shadows
Adding a fill light
Adding dimensionality with a backlight
Good habits start early
Wrapping up
Chapter 3: Ambient Lighting Techniques in Blender
Ambient occlusion
Advantages and disadvantages
Environment Lighting
Indirect Lighting
Finishing up
Chapter 4: Outdoor Scene: Adding Materials
Creating a new material
Let's review!
Chapter 5: Indoor Lighting: Setting Up
The first few steps
Diving in
Turning theory into practice
Chapter 6: UV Mapping and Texturing
Changing our interface
UV basics: marking a seam
Unwrapping our mesh
Creating a UV texture
Chapter 7: Indoor Lighting: Finishing Materials
Setting up project folders
Exporting our UV map
Creating materials using Blender's Compositor
Finishing up materials
Chapter 8: Combining Indoor and Outdoor Lighting Techniques
Downloading the files
Hybrid lighting in the real world
Lighting the scene
Chapter 9: Hybrid Lighting: Materials and Textures
Downloading the files
Referencing real-world images

What You Will Learn

  • Optimize Blender's Internal Renderer for your projects
  • Establish a well-tested and efficient workflow to constantly produce high-quality work
  • Apply both ray-traced and approximated ambient occlusion to your scene
  • Configure the default settings of ambient occlusion by manipulating parameters such as Sampling, Attenuation, and Influence
  • Configure settings found with Blender's materials to create, duplicate, and add special effects such as transparency and reflections to your materials
  • Modify World settings to add a gradient effect to the background to create a more interesting render
  • Separate your scene into layers to light the scene using a complex light rig
  • Construct a complex light rig and link lights to specific layers
  • Add indirect lighting and integrate it with your scene
  • Add textures to materials
  • Enhance your scene by using Blender's node compositor
  • Simulate light "bending" with 3D lighting techniques
  • Illuminate dark corners and crevices in your scene using ambient light
  • Set up the basic material and then add textures and look at many different materials with varying properties such as plastic, metal, glass, wood, brick, marble, and concrete


In Detail

Blender 3D is a popular, open source modeling and animation package. It is used for game design, architectural visualization, character design, animation, and still images. However, creating believable lighting and texturing is difficult in any 3D program.

This step-by-step tutorial aims to familiarize you with Blender's new interface and basic features as well as take a look at what it takes to produce a believable scene using lighting, texturing, compositing, and rendering.

By using the example of a tricycle in an outdoor scene you will learn to establish an effective workflow to increase your productivity. You will also thoroughly studying the scene and deciding how your tricycle would look on a sunny, cloudless day using Blender lamps. Not just that, you will also learn to implement your decisions by applying a 3-point light rig, adjusting the color of the lights, adding shadows, and using light groups to control the lighting. You will learn to add ambient occlusion effects to your scene by using both ray-traced and approximated ambient occlusion algorithms. A mesh example shows you how to give a particular look or "feel" by adding and editing materials. You will light a wine bottle on a table by taking a look at lighting interior spaces and how to create complex light rigs and custom UV textures for your scenes using Blender's UV editing capabilities. You will create a custom UV map, export it as a file type Blender can read, and finally add your UV map to the wine bottle mesh. In the same example you will add wood material to booths. You will further enhance the background by adding wallpaper, giving color and metallic tint to the lamps, and adding material to light bulbs. You will look at lighting techniques used in scenes that include both interior and exterior light sources in a scene that has sunlight traveling in through the window and a light bulb hanging from the ceiling.


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