Join Mark Lefitz for an in-depth discussion in this video Using raytrace shadows, part of Photorealistic Lighting with Maya and Nuke (2012).
In real life, whenever we have light and an object, we usually have a shadow.…Right now we don't have shadows on.…Let's look at some of the shadow parameters we need to address with our area lights.…So, if we select our area light, and we hit Ctrl+A, we'll bring up the parameters…of the selected object.…Let's scroll up to Shadows.…Our first parameter is our Shadow Color.…I generally leave the Shadow Color to Black. With final gather on, it will add…indirect lights to our scene, lifting shadow color by default.…
If our background plate that we shot has lighting that shows very little…shadow detail, we can simply increase the value of the shadow color. We simply…select the Shadow Color, and increase the value.…You'll notice that very small increments make a big difference,…so I typically leave this to a very small number.…So let's bring it back to black.…We're going to render with a black shadow color.…Next we have Depth Map Shadows.…Depth map shadows are generally not used when ray tracing.…
Depth map shadows are a type of shadows that are rendered out, and saved to disk,…
- Understanding image-based lighting
- Analyzing and color correcting the background plate
- Creating a 3D camera to match the plate
- Lighting with low-quality settings and proxies
- Setting light samples
- Setting up render passes
- Rendering mattes ground shadow, and occlusions passes
- Adding gamma correction in Nuke
- Adding the object to the plate and rendering the final composite
- Retouching the composite using Photoshop
Skill Level Intermediate
Maya: Lighting and Rendering with mental raywith Eric Keller4h 56m Intermediate
Creating Textures and Shaders in Mayawith Eric Keller3h 30m Intermediate
1. Image-Based Lighting
Correcting the HDRI5m 22s
2. Asset Integration
4. mental ray Rendering
5. Creating Secondary Passes
6. Compositing the Rendered Passes in Nuke
7. Final Touch-Ups in Photoshop
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