Lecture21-Global-Illumination-Wrapup

Lecture21-Global-Illumination-Wrapup - Global Illumination...

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Global Illumination Wrapup CS 455
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Dangling Questions Depth of field in ray tracing. Combinations of radiosity and ray tracing Progressive radiosity.
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Depth of Field Idea: the camera (or eye) should have a fixed focal length Objects at that distance should be in focus Objects closer or further away should not be in focus Image Plane Lens Focal Plane
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Depth of Field Image Plane Lens Focal Plane
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Depth of Field Image Plane Lens Focal Plane All the light in this cone gets focused on one pixel. But there some orange and green in that cone.
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Lens Properties Image Plane Lens Focal Plane P D Vp VD C F/n r Object in Scene PD Pf
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Lens Properties F: Focal length n: aperture number F/n:lens diameter Pf: the focal point P: distance from lens to focal point Vp: distance from lens to image plane PD:a point not on the focal plane D: distance from lens to PD r: radius of cone for object at distance D Image Plane Lens Focal Plane P D Vp VD C F/n r Object in Scene PD Pf
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Lecture21-Global-Illumination-Wrapup - Global Illumination...

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