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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Spis treści

Blender 2.5 Lighting and Rendering. Bring your 3D world to life with lighting, compositing, and rendering eBook -- spis treści

• Blender 2.5 Lighting and Rendering
  • Table of Contents
  • Blender 2.5 Lighting and Rendering
  • Credits
  • About the Author
  • About the Reviewers
  • Preface
    • What this book covers
    • What you need for this book
    • Who this book is for
    • Conventions
    • Reader feedback
    • Customer support
      • Errata
      • Piracy
      • Questions
  • 1. Introduction to Color Theory and Lighting Basics in Blender
    • Basic color theory
      • What is color?
        • Primary colors
        • Secondary colors
        • Tertiary colors
      • Color relationships
      • Color temperature
      • Real world, real lights
        • Candlelight
        • Incandescent light bulbs
        • Florescent light bulbs
        • The sun and the sky
      • Chromatic adaptation
    • Lighting basics in Blender
      • The Point lamp
      • The Sun lamp
      • The Spot lamp
      • The Hemi lamp
      • Area lamp
    • Basic light rigs
      • 1-Point light rig
      • 2-Point light rig
      • 3-Point light rig
      • 4-Point light rig
    • Shadows
    • Summary
  • 2. Outdoor Lighting: Setting Up Our Scene
    • Getting the right files
    • Blender render settings
      • The Scene menu
        • Render settings
        • Dimensions settings
        • Output settings
    • Establishing a workflow
      • Evaluating our scene
      • Planning our light rig
      • Setting up our scene
      • Setting up a 3-Point light rig
      • Adjusting the lamp color
        • The Lamp menu
    • Adding shadows
    • Adding a fill light
    • Adding dimensionality with a backlight
    • Good habits start early
    • Wrapping up
    • Summary
  • 3. Ambient Lighting Techniques in Blender
    • Ambient occlusion
      • Raytraced ambient occlusion
      • Changing the options and settings
        • Factor
        • Sampling
        • Attenuation
        • Energy and color
          • Approximate ambient occlusion
      • A new approach to ambient occlusion
      • New algorithm, new settings
        • Sampling
        • Attenuation and influence
    • Advantages and disadvantages
      • Raytraced ambient occlusion
      • Approximated ambient occlusion
    • Environment Lighting
      • Lighting a scene with HDR lighting
    • Indirect Lighting
      • Applying ambient lighting to our working scene
    • Finishing up
    • Summary
  • 4. Outdoor Scene: Adding Materials
    • Creating a new material
      • Taking a closer look at the Materials menu
        • Material name, type, and preview
      • Preview
        • Diffuse and specular
          • Diffuse shader models
          • Specular shader models
        • Shading
        • Transparency and mirror
          • Configuring the transparency settings
          • Configuring mirror settings
      • Creating materials for our scene
        • Lets burn some rubber!
        • Taking a shortcut
          • Duplicating a material
        • Almost done!
      • Changing the environment
      • Finishing up
    • Let's review!
      • Reviewing our workflow
        • Evaluating the scene
        • Planning our lamp setup
        • Actually setting up our lamps
          • Reviewing light rigs
        • Adding materials
      • Ambient lighting
      • Blender material basics
    • Summary
  • 5. Indoor Lighting: Setting Up
    • The first few steps
    • Diving in
      • Enhancing our render using layers
        • Let's take a quick look
        • Organizing our layers
    • Turning theory into practice
      • Setting up the general rig
        • Adding Spot lamps
          • Setting up Area lamps
        • Adding ambient lighting
      • Lighting our wine bottle
    • Summary
  • 6. UV Mapping and Texturing
    • Changing our interface
    • UV basics: marking a seam
    • Unwrapping our mesh
      • Cleaning up the UV map
        • Blender's UV editing tools
      • Using a reference image
    • Creating a UV texture
      • Exporting our UV map
      • Downloading GIMP
      • Hello GIMP!
      • Getting reference images
      • Importing our UV map
      • Adding text
      • Save often!
      • Now let's continue
    • Summary
  • 7. Indoor Lighting: Finishing Materials
    • Setting up project folders
    • Exporting our UV map
    • Creating materials using Blender's Compositor
      • Creating a glass material
      • Creating a label material
    • Finishing up materials
      • Downloading images
      • Creating a wood material
      • Adding a wallpaper
      • Giving our lampshades some color
      • Turning on the lights
      • Adding the final wood material
      • For dramatic effect
    • Summary
  • 8. Combining Indoor and Outdoor Lighting Techniques
    • Downloading the files
    • Hybrid lighting in the real world
      • Finding the right mix
        • Changing our mindset
    • Lighting the scene
      • Adding sunlight
      • Playing with ambient light
      • Organization is key
      • Constructing our "mini" rig
    • Summary
  • 9. Hybrid Lighting: Materials and Textures
    • Downloading the files
    • Referencing real-world images
      • Referring to our reference image
      • The room material
      • The mirror material
      • The table material
      • The door material
      • The hanging light materials
      • The coat hanger material
    • Summary
  • Index