The Persistence of Ignorance

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Computer Screen

POV-Ray, 2001

When using global ambient_light set to 0, it is really difficult to make a computer screen, or other self-lighted surfaces like lampshades.

This can be avoided using a media image_map. Yes, sounds dirty but it works. Simply put the "image_map" statement inside the "density" definition for the media and use a strong emission. Rather simple, isn't?

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