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  • Book Overview & Buying Photographic Rendering with V-Ray for SketchUp
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Photographic Rendering with V-Ray for SketchUp

Photographic Rendering with V-Ray for SketchUp

By : Brian Bradley
3.3 (13)
Buy this Book
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Photographic Rendering with V-Ray for SketchUp

Photographic Rendering with V-Ray for SketchUp

3.3 (13)
By: Brian Bradley
Buy this Book

Overview of this book

This book is filled with examples explaining the theoretical concepts behind them. Filled with ample screenshots, diagrams, and final rendered images, this book will help readers develop an understanding of photographic rendering with V-Ray. If you are a SketchUp user who would love to turn your favourite modelling application into a ‘virtual photography studio’, then this book has been designed and written for you. Existing V-Ray users will also find plenty to enjoy and benefit from in this book. Some basic experience with SketchUp and familiarity with photography will be helpful, but is not mandatory.
Table of Contents (18 chapters)
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Photographic Rendering with V-Ray for SketchUp
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Photographic Rendering with V-Ray for SketchUp
Credits
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Credits
About the Author
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About the Author
Acknowledgement
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Acknowledgement
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Diving Straight into Photographic Rendering
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Diving Straight into Photographic Rendering
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What this chapter is all about
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Good composition is the foundation of photographic rendering
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Materials that make us believe!
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Render settings for final output
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Summary
2
Lighting an Interior Daytime Scene
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Lighting an Interior Daytime Scene
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Looking at our SketchUp scene
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Defining our goals
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The lighting workflow
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Sunlight is our key light
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Skylight is our fill light
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Summary
3
Lighting an Interior Nighttime Scene Using IES Lights
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Lighting an Interior Nighttime Scene Using IES Lights
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Taking a look at our SketchUp file
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Defining our goals
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The lighting process
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Starting with a blank canvas
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Adding some much-needed ambience
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Layering up our IES lights
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Evaluating the render with all lights enabled
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Previsualizing image corrections using V-Ray FrameBuffer
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Summary
4
Lighting an Exterior Daylight Scene
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Lighting an Exterior Daylight Scene
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Setting up our SketchUp file
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Reference and observation
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The lighting process
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Sunlight is the key
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Filling in with skylight
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Tweaking exposure
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Summary
5
Understanding the Principles of Light Behavior
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Understanding the Principles of Light Behavior
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The SketchUp files
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Defining our goals
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How light behaves
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Understanding light decay
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Using color temperature
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The cause of color bleeding
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Summary
6
Creating Believable Materials
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Creating Believable Materials
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Getting started with our materials
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Using a SketchUp material to create our diffuse floor coloring
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Using the V-Ray Standard material
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Creating the wall paintings using bitmaps
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Art sculpts – import vismat
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Your challenge
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Summary
7
Important Materials Theory
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Important Materials Theory
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Defining our goals
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Light and material interaction – why objects in the real world have color
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How absorption, reflectance, and transmittance work
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The importance of R, G, and B in the digital realm
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Light and material interaction – what is reflectivity?
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Light and material interaction – the transmittance effects
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The importance of energy-conserving materials
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What we have accomplished?
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Summary
8
Composition and Cameras
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Composition and Cameras
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Defining our goals
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Deciding the shot type
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Aspect ratios
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The requisite maximum resolution
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How focal length affects composition
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Setting up scene views for final shot rendering
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Summary
9
Quality Control
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Quality Control
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Defining our goals
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Fine-tuning scene lighting
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Cleaning up our GI solution
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Working with the Image sampler controls
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Improving our materials
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Outputting the final renders
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Determining the order of quality control steps
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Summary
10
Adding Photographic Touches in Post-production
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Adding Photographic Touches in Post-production
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Defining our goals
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Setting up After Effects
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Importing our footage
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Dealing with the lighting hotspots
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Boosting the floor reflections
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Adding a subtle DOF to shift focus
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Adding subtle relighting
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Boosting the glass reflections a little
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Final color corrections
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Adding a subtle vignette effect
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Summary
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Index
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Index

Cleaning up our GI solution

Now that we have reviewed the quality of direct lighting and shadows in the scene, let's move on to cleaning up our GI solution so that we can call the final lighting for the scene done. In this instance though, we will want to take our review renders without materials enabled, leaving us free to focus solely on the GI. The last thing we want is to be unnecessarily increasing GI parameters if what we are seeing are in fact noise problems coming from elsewhere in the scene.

To do that, we need to turn our material override function on, so let's perform the following steps:

  1. Open up the option editor and jump into the Global switches rollout.

  2. In the Materials section, we need to enable the Override materials option, while disabling the Glossy effects option at the same time.

  3. Once we are done, we can close the option editor, return to the Wide Shot – 35mm scene tab, and again hit the render button.

    Note

    The reflection/refraction option can stay on so that we can see if...

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