Book Image

Photographic Rendering with V-Ray for SketchUp

By : Brian Bradley
Book Image

Photographic Rendering with V-Ray for SketchUp

By: Brian Bradley

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Photographic Rendering with V-Ray for SketchUp
Brian Bradley
Mar, 2014 | 328 pages
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Table of Contents (18 chapters)
Photographic Rendering with V-Ray for SketchUp
Photographic Rendering with V-Ray for SketchUp
Credits
Credits
About the Author
About the Author
Acknowledgement
Acknowledgement
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Diving Straight into Photographic Rendering
Diving Straight into Photographic Rendering
What this chapter is all about
Good composition is the foundation of photographic rendering
Materials that make us believe!
Render settings for final output
Summary
2
Lighting an Interior Daytime Scene
Lighting an Interior Daytime Scene
Looking at our SketchUp scene
Defining our goals
The lighting workflow
Sunlight is our key light
Skylight is our fill light
Summary
3
Lighting an Interior Nighttime Scene Using IES Lights
Lighting an Interior Nighttime Scene Using IES Lights
Taking a look at our SketchUp file
Defining our goals
The lighting process
Starting with a blank canvas
Adding some much-needed ambience
Layering up our IES lights
Evaluating the render with all lights enabled
Previsualizing image corrections using V-Ray FrameBuffer
Summary
4
Lighting an Exterior Daylight Scene
Lighting an Exterior Daylight Scene
Setting up our SketchUp file
Reference and observation
The lighting process
Sunlight is the key
Filling in with skylight
Tweaking exposure
Summary
5
Understanding the Principles of Light Behavior
Understanding the Principles of Light Behavior
The SketchUp files
Defining our goals
How light behaves
Understanding light decay
Using color temperature
The cause of color bleeding
Summary
6
Creating Believable Materials
Creating Believable Materials
Getting started with our materials
Using a SketchUp material to create our diffuse floor coloring
Using the V-Ray Standard material
Creating the wall paintings using bitmaps
Art sculpts – import vismat
Your challenge
Summary
7
Important Materials Theory
Important Materials Theory
Defining our goals
Light and material interaction – why objects in the real world have color
How absorption, reflectance, and transmittance work
The importance of R, G, and B in the digital realm
Light and material interaction – what is reflectivity?
Light and material interaction – the transmittance effects
The importance of energy-conserving materials
What we have accomplished?
Summary
8
Composition and Cameras
Composition and Cameras
Defining our goals
Deciding the shot type
Aspect ratios
The requisite maximum resolution
How focal length affects composition
Setting up scene views for final shot rendering
Summary
9
Quality Control
Quality Control
Defining our goals
Fine-tuning scene lighting
Cleaning up our GI solution
Working with the Image sampler controls
Improving our materials
Outputting the final renders
Determining the order of quality control steps
Summary
10
Adding Photographic Touches in Post-production
Adding Photographic Touches in Post-production
Defining our goals
Setting up After Effects
Importing our footage
Dealing with the lighting hotspots
Boosting the floor reflections
Adding a subtle DOF to shift focus
Adding subtle relighting
Boosting the glass reflections a little
Final color corrections
Adding a subtle vignette effect
Summary
Index
Index

Chapter 1. Diving Straight into Photographic Rendering

What should the first chapter of a book looking at photographic rendering in V-Ray 2.0 for SketchUp be all about? That was the question I had to ponder as I started developing the material that would be included in this book.

Should we spend time looking at the current state of the art regarding photographic and photoreal rendering in the CG industry? Should we delve into a technical explanation of exactly what it is that people are referring to when they make use of the terms photographic and photoreal rendering?

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