Using Textures as Light Sources

In the last chapter, you saw the advantages of using radiosity for the realistic calculation of inner rooms. This new quality depends on the effect whereby the light is reflected several times by objects or walls, and it therefore ensures a more even lighting.

Problem?

But what happens if you are working with an outdoor scene where there are no walls, ceilings, or limiting objects that can help the light reflect several times? There the radiosity rendering could hardly display its strengths.

Solution!

Precisely for such scenes, which perhaps take place outdoors under the clear blue sky, there is a very interesting method of lighting with textures. In addition to using normal light sources, radiosity can use lighting ...

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