From the course: 3ds Max: Rendering with Arnold

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Improving skydome interiors with Portal mode

Improving skydome interiors with Portal mode - 3ds Max Tutorial

From the course: 3ds Max: Rendering with Arnold

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Improving skydome interiors with Portal mode

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- [Instructor] For interior renderings where a great proportion of the illumination comes from a sky dome, we can use the Portal Mode of a quad light to focus the samples into the interior and thereby get better quality renderings at actually shorter render times. So let's do a rendering without any Portal Mode. Just an ordinary sky dome outside this interior space. And we'll do a production rendering of that. So click on Render Production on the main toolbar. When that completes, we can see that it is pretty grainy. I've got three samples on the sky dome, but the render settings are pretty low. I've only got two diffuse samples in the Render Setup dialogue. But this will be a good example of how Portal Mode will improve the quality of an interior rendering that uses a sky dome. Let's make a clone of this rendered frame window so we can compare it. I'll just minimize that. And select the sky dome, go over to the Modify…

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