Learn how to render a simple volumetric fog.
- [Voiceover] To begin the chapter on rendering,…let's add a simple fog atmosphere…to this exterior shot.…As we saw in the last movie,…I've laid out the scene with two versions of the terrain…for performance reasons.…A low-level-of-detail version uses a Texture Deformer,…and it's on its own layer here.…And that layer is templated.…You see the T there.…Because that layer is templated,…it will display in wire-frame in the view port,…but it will not render in Arnold.…
The renderable geometry is on this terrainDisplaceLayer.…And that's the high-level-of-detail terrain.…And that's it there. We can select it.…It uses subdivision displacement at render time.…Its layer is visible and not templated.…So that is what we'll render in Arnold.…To add fog to the scene,…let's go to the Render Settings.…And in the Arnold Renderer tab,…open up Environment,…and we have the Atmosphere slot.…
Click the Create Render Node button,…and from that pop-up menu choose Create aiFog.…And let's open up its attributes.…Make sure that the Atmosphere node is selected…
AuthorAaron F. Ross
- Arnold rendering concepts
- Lighting with Maya and Arnold lights
- Controlling exposure
- Filtering light with Barndoor and Gobo
- Light attenuation with decay
- Image-based lighting with SkyDome
- Exterior daylight with Physical Sky
- Arnold standard material attributes
- Mapping material attributes
- Rendering refractions
- Mesh subdivision and displacement at render time
- Shading effects such as ambient occlusion and vertex color
- Camera effects such as fisheye and depth of field
- Animation image sequence rendering
Skill Level Intermediate
Rendering refraction4m 56s
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