Backgrounds

Typically you render the objects in a scene against a black background and composite the rendered images later with an appropriate background using compositing software. However, you can insert a background:

• to avoid having to model background objects or scenery, but want them represented, 2Dly, in your scene (especially if you don’t have access to compositing software).
• as a temporary reference (especially for rotoscoping or motion matching) for modeling or animating objects in the scene.

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