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Example 1: Render elements and combinations

Here are some examples of render elements and their combinations. Note that the original elements were generated by VRay on one pass (no re-rendering required).

Normally, render elements are added to each other in order to reproduce the final result; however, there are a few exceptions:

• the Raw GI and Raw Lighting elements must be multiplied by the Diffuse element before they are added to the final image.
• the Shadow element is not, strictly speaking, a part of the image; however, it can be added to the Raw Lighting element to adjust the shadow intensity. Simply adding the two elements produces lighting as though no shadows were computed.

Also note that multiplying the Raw GI element by the Diffuse element will give the Global Illumination element; multiplying the Raw Lighting element by the Diffuse element gives the Lighting element. This gives the user more freedom for adjusting the scene lighting.

RGB color

Real RGB color; notice the worse antialiasing on very bright parts (the area light and its reflections)

Self-illumination only

Direct Lighting only

Global illumination only

Reflections only

Refractions only

Diffuse color only

Raw lighting

Shadows only; note the aliasing at the box shadow - this is because the RGB Color channel does not require more samples in that area

Raw GI only

Raw lighting + shadows (added); the resulting illumination is as though shadows were turned off.

Raw lighting * diffuse (multiplied); the result is the same as the Direct Lighting only channel

Raw GI * diffuse (multiplied); the resuilt is the same as the GI only channel

Self-illumination + Direct lighting + Global illumination + Reflection + Refraction (all added); the result is the same as the Real RGB Color channel

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