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X3D Example Archives: VRML 2 Sourcebook, Chapter 22 Background

Figure 22.3c Background Sky Ground Mountains

A Background node presents a virtual sky above and land (or sea, or space) below.

Background nodes describe groundColor and skyColor gradients on the ground hemisphere and sky sphere. Background nodes can also apply panorama images on a panorama box. Of interest is that the viewer can look around and navigate, but never get any closer to the background. Backgrounds are faster to draw than if you used shapes to build them.

These X3D scenes are adapted directly from the original VRML 2.0 Sourcebook chapter examples. Also available: Introduction to VRML97 SIGGRAPH98 course notes.

  4 X3D Scenes       Scene Descriptions
Figure22_1BackgroundSkySphere Figure 22 1 Background Sky Sphere A sky sphere with multiple colors.
Figure22_2BackgroundSkyGround Figure 22 2 Background Sky Ground A background with multiple ground and sky colors.
Figure22_3cBackgroundSkyGroundMountains Figure 22 3c Background Sky Ground Mountains A mountain-panorama background created with the color and pixel transparency parts of a mountain image.
Figure22_4BackgroundBinding Figure 22 4 Background Binding Backgrounds bound and unbound by touching a red cube or a blue sphere.

Online at http://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter22Background

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Master source-code model archive is under subversion control at
http://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter22Background

The X3D Resources: Examples page and Savage Developers Guide provide more information about the production of this archive.

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