From the course: Maya: Rendering in Arnold 6

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Using area lights for suffuse light through windows

Using area lights for suffuse light through windows - Maya Tutorial

From the course: Maya: Rendering in Arnold 6

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Using area lights for suffuse light through windows

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- A Monte Carlo path tracer like Arnold can run into long render times for sky dome illuminated interiors due to the way light rays are sampled. As we saw earlier in the course, we can mitigate this problem somewhat using sky dome light portals. However, we'll reach a point of diminishing returns with sky dome samples, and to reduce the grain we will need to increase the render settings which will lengthen the render times, but there's another way to provide suffuse illumination from the sky and environment, and that is to use area lights over the windows instead of a sky dome. This method also gives us more artistic control because we have access to the area like parameters such as color and spread. This is the same environment map we used earlier. It's just rotated 90 degrees so that there's no direct sunlight in the interior, and that way it'll be easier to see the benefits of using area lights instead of sky dome portals.…

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