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This image
is rendered at 640x470 pixel resolution on a dual opteron workstation
with 3dsmax’s native GI engine LightTracer in 14 minutes 27
seconds(with default parameters used, you can tell by the artifacts). It shouldn’t be considered as a
very long time for the GI rendering of a complex object like this car.
But if I was to render a high quality animated sequence within a tight deadline,
quarter an hour per frame will add up to a relatively long period of
time. |
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Let’s see how we can decrease the render time for this specific scene
with ambient occlusion method in 3dsmax 7 using mental ray. |
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The
scene has a simple setup. There is a ground plane with the car
geometry placed in the middle and a spherical mapped gradient ramp is
used in the environment slot to represent the sky background. |
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For the lighting,
only one skylight is used to illuminate the scene with LightTracer and
a couple of other point lights are used to create highlights on
several places on the car body. |
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