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Blender 3D: Noob to Pro/Glossary A[edit] B[edit] Background image: a 2D image ("picture") that is placed "behind" the entire 3D scene, like a backdrop on a movie set. C[edit] Caustics in optics is a bundle of light rays. D[edit] Depth of Field (DOF) is the distance in front of and behind the subject which appears to be in focus. E[edit] Environment Maps (EnvMaps) is the method of calculating reflections. F[edit] G[edit] GE is Game Engine.Global Illumination (GI) is a superset of radiosity and ray tracing. H[edit] High Dynamic Range Image (HDRI) is a set of techniques that allow a far greater dynamic range of exposures than normal digital imaging techniques. I[edit] Index Of Refraction (IOR) is about the way that light passes through different types of materials... diamond, glass, water etc. J[edit] JPEG Acronym for Joint Photographic Expert Group (pronounced jay-peg) is a commonly used standard method of lossy compression for photographic images. K[edit] L[edit] M[edit] N[edit] Nabla. O[edit] P[edit] Q[edit] R[edit]

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