Join Dariush Derakhshani for an in-depth discussion in this video Material IDs vs. object IDs, part of Learning V-Ray for Maya: A Professional Reference Guide.
In this video we'll be taking a look at object ID's, and material ID's, and how…they compare. To create an object ID simply select the object.…And on a shape node, in the Attribute editor, you can create, under Attributes menu.…Vray Object ID. Once you create that, you'll get a new…heading called Extra Vray Attributes giving you the Object ID slider.…You can use the slider or you can manually put in your own number.…
And these numbers can be as high as you need.…We'll set up with one for the ball. We'll create a object ID for the box and…set that to two and the floor plane will get an object ID of three.…This is useful for creating multimats, which allow you to set a red, green and…blue color to different objects in the scene.…
So, when you render, you have a mask selection that you can use on an object…basis inside your composite. Now material IDs work much the same way…except instead of being on an object basis they are on a material basis.…For the catapult we have a number of different materials.…Let's just randomly select a few of these objects on the catapult, and graph to see…
- What is V-Ray?
- V-Ray integration with Maya UI
- V-Ray lights and shaders
- Working with global illumination
- Object properties and render layers
- Creating passes and elements
- Rendering and optimizing
Skill Level Beginner
Maya Rendering for After Effects Compositeswith Lee Lanier3h 9m Intermediate
Photorealistic Lighting with Maya and Nukewith Mark Lefitz2h 24m Intermediate
1. Getting Started with V-Ray
What is V-Ray?2m 50s
2. V-Ray Lights
3. V-Ray Shaders
4. GI Methodology
5. V-Ray Object Properties and Render Layers
6. V-Ray Render Elements
7. Rendering and Optimizing
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