Basic HTML version of Foils prepared April 6 1997

Foil 166 Adding Background to the VRML World - I

From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 97. by Zeynep Ozdemir(Geoffrey C. Fox)
1 VRML's backgroud features provide a control over the world's sky and ground colors and enables to specify a set of panorama images to be placed around, above, and below the VRML world. VRML world's sky is an infinitely large sphere placed around the world. It covers the ground as well. The panorama is built a using an infinitely large cube placed around the world but just inside the sky and the ground spheres.
2 frontUrl, backUrl, leftUrl, rightUrl, topUrl, and bottomUrl fields of Background node specifies the URL addresses of the corresponding surfaces.
3 skyColor defines a list of RGB colors to paint the sky.
4 groundColor defines a list of RGB colors to paint the ground.
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Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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