Join Mark Lefitz for an in-depth discussion in this video Setting light samples, part of Photorealistic Lighting with Maya and Nuke (2012).
One of the most important parameters we need to address when improving the…quality of our area lights are light samples.…If we were to leave our samples set to the default settings, we get a lot…of grain and noise.…Here is a render that I did with our area light, which is our key light, set to…our default settings.…Notice quite a bit of noise and grain in the image.…Let's look at the sample settings get a better idea on how to fix these issues.…Minimize the render window.…
Let's select our area light, and we're going to hit Ctrl+A to bring up the parameters.…The area light sample settings are under the Area Light rollout, and we set our…light shape to a Rectangle.…The default settings are 8 for High Samples.…The High Sample Limit is set to 1, and the Low Samples are set to 1 as default.…High Samples are the amount of samples that get shot toward the light when an…I-ray strikes an object.…This is the most important level of quality.…
The larger and closer the area light, the more samples you need.…
- 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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