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ray tracing - [3D GIS] A technique that traces imaginary rays of light from a viewer's eye to the objects in a three-dimensional scene to determine which parts of the scene should be displayed from that perspective.
[Category=Geospatial ]
Source: esri, 27 July 2012 09:19:26, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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