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Ambient Light
This is the simplest of all Illumination Models. This model assumes each object is displayed using a ?Color Intensity intrinsic to it. When used alone, we can think of it as if it describes a world of non-reflective, Self-Luminous objects.
Ambient light is often used as a component in, or in conjunction with, other Local Illumination models in order to – grossly - approximate the effect of ?Global Illumination in the scene. Further details are given in subsequent sections.
The ?Illumination Equation that expresses this model can take the form
Where
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Ambient Light
This is the simplest of all Illumination Models. This model assumes each object is displayed using a ?Color Intensity intrinsic to it. When used alone, we can think of it as if it describes a world of non-reflective, Self-Luminous objects.
Ambient light is often used as a component in, or in conjunction with, other Local Illumination models in order to – grossly - approximate the effect of ?Global Illumination in the scene. Further details are given in subsequent sections.
The ?Illumination Equation that expresses this model can take the form
$I_\lambda = k_a * O_{a\lambda}$
Where
- $k_a$ is the material's ambient coefficient
- $O_{a\lambda}$ is the object's intrinsic intensity
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