In retail and entertainment spaces, high contrast is desirable. But in offices more uniform brightness of surfaces helps occupant comfort and productivity.

This topic explores several applications of luminance ratios.

Computer-generated images. Multiple images are now being generated via computer simulation to show the visual impacts of various task-ambient lighting approaches. 

Shockwave. The topic will be available in Shockwave. When the images for this topic have been generated, access via  Shockwave will be provided.