Car Key, Part 4: Lighting and Rendering

This tutorial walks through the process of using HDR Light Studio to light and render the car key object. It walks through the use of the ‘Illumination’, ‘Reflection’ and ‘Visible Rim’ buttons to produce predictable lighting.
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Identify and control various render quality parameters

This tutorial shows how to identify and control the visual quality of parts of a rendering. It shows how to control reflection quality through the use of reflection samples and an adaptive sampling mechanism; how to control diffuse illumination quality; and how to control overall image quality through the use of several anti-aliasing controls.
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Using the Inverse Square light falloff law

This tutorial shows how to use two lighting panels to light the scene, and using the inverse square light falloff law to control light and dark regions of this studio-photography like setting. It explains how to use their placement to control how light is cast into the scene.
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Adaptive Shadow Sampling in version 8.1

This tutorial shows differences in how version 8.1 handles shadow regions for both global illumination and shadows from point light sources as determined by the Adaptive Shadow Sampling parameter. Improvements to this area help to create cleaner looking images in shadow regions. It explains value ranges useful for Adaptive Shadow Sampling.
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