Join Aaron F. Ross for an in-depth discussion in this video Understanding image-based lighting, part of Creating Product Shots in 3ds Max.
…Image-based lighting, or IBL, is a technique for lighting…a 3D scene using a special type of image file.…This is known as a high dynamic range or HDR file.…Instead of conventional 3D lights, the scene is illuminated…by the brightness of pixels in an environment map.…The image is usually captured from a…real-world location, and because of this, the 3D…rendered objects can be made to look as if they're actually in that real environment.…Image based lighting requires that the environment map have…a greater range of brightness values than a standard image.…A high dynamic range image can capture all the…possible brightness values that the human eye can see.…
The dynamic range of a signal is the ratio between its highest and lowest values.…And for light, it's also expressed as contrast ratio.…The human eye has a contrast ratio of about a million to one.…But a standard camera or an ordinary image file…has a contrast ratio of about a thousand to one.…Contrast ratio can also be expressed in terms of F-stops.…The F-number is a setting on a real camera that…
AuthorAaron F. Ross
Want to learn how to create the same effect with Maya? Check out Creating Product Shots in Maya.
- Importing solid models as 3ds Max body objects
- Working with the scene layout, hierarchy, and display layers
- Building Arch & Design materials
- Creating area and photometric lights
- Setting exposure control
- Optimizing indirect illumination with Final Gather
- Image-based lighting with high dynamic range files
- Lighting with self-illuminated geometry
- Rendering to high dynamic range
- Saving render passes with Render Elements
- Adding ambient occlusion
- Layering and color correction in After Effects
Skill Level Intermediate
1. Laying Out the Scene
2. Studio Lighting
Controlling Final Gather3m 57s
3. Shading Models with Materials
4. Image-Based Lighting
5. Rendering and Compositing
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