Blender Compositing and Post Processing
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About this ebook
This book is for digital CG artists looking to add photo realism and life to their footage. This book also assists technical CG artists in strategizing and implementing productive lighting. If you are new to Blender or compositing, this book will guide you step by step in gaining compositing skills.
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Book preview
Blender Compositing and Post Processing - Mythravarun Vepakomma
Table of Contents
Blender Compositing and Post Processing
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers and more
Why Subscribe?
Free Access for Packt account holders
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the color images of this book
Errata
Piracy
Questions
1. Blender Compositing – Overview
Understanding CG compositing
Blender's significance as a compositor
Getting started
Supported image formats in Blender
Supported color modes in Blender
Supported color depths in Blender
Blender's color spaces
The RGB color space
The HSV color space
The YUV color space
The YCbCr color space
Render layers/passes
Render layers
Render passes
Each passes' significance and content
Summary
2. Working with Blender Compositor
Architecture
Composite node types
Getting familiar with the compositing user interface
Node Editor
UV / Image Editor
Color management and linear workspace
Handy shortcuts for Blender Compositor
Summary
3. Working with Input and Output Nodes
How to import or export from a compositor?
Input nodes
The Render Layers node
The Image node
The Movie Clip node
The RGB node
The Value node
The Texture node
The Time node
The Mask node
The Bokeh Image node
Output nodes
The Composite node
The Viewer node
The Split Viewer node
The File Output node
The Levels node
Summary
4. Image Manipulation Techniques
Understanding image manipulation
The Bright/Contrast node
The Hue Saturation Value node
Hue
Saturation
Value
Factor
The Color Correction node
Master, Highlights, Midtones, and Shadows
Gamma, Gain, and Lift
Mask socket
The RGB Curves node
Grading by setting the black and white levels
Grading using the Bezier curve
The Color Balance node
The Mix node
Blending modes
Use Alpha
Factor
The Gamma node
The Invert node
The Hue Correct node
Transformation tools
Summary
5. Beyond Grading
Kudos
Relighting
The Normal node
The Fresnel effect
Depth of Field
The Defocus node
The Bokeh type
Angle
Gamma correct
FStop
Maxblur
Threshold
Preview
Use Z-buffer
Z-Scale
The Bilateral Blur node
The Blur node
Optical distortions
The Glare node
The Lens Distortion node
The Despeckle node
The Filter node
Motion blur
The Vector Blur node
The Directional Blur node
Texture mapping
The Map UV node
Organizing
Grouping
Layout
Frame
Reroute
Switch
Summary
6. Alpha Sports
What is an Alpha channel?
Alpha modes in Blender
Visualizing alpha in Blender
Significance of alpha in the layering concept
Layering in Blender with the alpha channel
Layering with the Mix node
Layering with the Alpha Over node
Fringe issue
Generating mattes using the ID Mask node
Edge filtering
Inverting values
Keying
Value and luminance
Luminance
Inspecting a green/blue screen footage
The Difference Key node
The Distance Key node
The Luminance Key node
The Color Key node
The Channel Key node
Summary
Index
Blender Compositing and Post Processing
Blender Compositing and Post Processing
Copyright © 2014 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: January 2014
Production Reference: 1140114
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78216-112-7
www.packtpub.com
Cover Image by Mythravarun Vepakomma (<mythravarun@gmail.com>)
Credits
Author
Mythravarun Vepakomma
Reviewers
Olivier Amrein
Alexey Dorokhov
Acquisition Editor
Neha Nagwekar
Lead Technical Editor
Mohammed Fahad
Technical Editors
Pramod Kumavat
Adrian Raposo
Gaurav Thingalaya
Copy Editors
Aditya Nair
Stuti Srivastava
Project Coordinator
Michelle Quadros
Proofreader
Ameesha Green
Indexers
Hemangini Bari
Mariammal Chettiyar
Tejal R. Soni
Production Coordinator
Komal Ramchandani
Cover Work
Komal Ramchandani
About the Author
Mythravarun Vepakomma was born in Hyderabad, India, in 1983 and is currently working as a CG Supervisor at Xentrix Studios Pvt Ltd, India. Though he graduated in Electrical and Electronics Engineering in 2004, he has always had a great passion for comics and cartoons. During his studies, his passion got him attracted to web designing and 3D animation.
Mythravarun always believed in transforming his passion into a career. He decided to go for it and started learning 3D graphics and web designing on his own. He also started working as a part-time illustrator and graphic designer. After consistent efforts, he finally moved into the field of 3D animation in 2005 to chase his dream of making it his career.
He has a decade of experience in several TV series, theme park ride films, and features. He now deals with creating and setting up CG lighting and compositing pipelines, providing a creative direction for CG Projects, research and development on several render engines to create a stable future for the studio, and many more things.
Midway through his career, Mythravarun