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X3D Example Archives: VRML 2 Sourcebook, Chapter 11 Grouping

[1] Figure11_1CafeSignSwitchResolutions.x3d Cafe sign
Directory Viewpoint Slideshow

Grouping nodes are used to group shapes to compose complex shapes.

  • The Switch node creates a switched group where only one child node in the group is displayed, children implicitly numbered from 0 and a whichChoice value of -1 selects no children.
  • Transform creates a group with its own coordinate system where every child node in the group is displayed.
  • Billboard creates a group with a special coordinate system that turns to face the viewer.

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

Figure 11.2 Cafe Sign Billboard

Figure 11.3 Bounding Box

3 X3D Models                 7 X3D Model Viewpoint Snapshots

Figure11_1CafeSignSwitchResolutions
Figure 11 1 Cafe Sign Switch Resolutions.x3d    
[1] Figure11_1CafeSignSwitchResolutions.x3d Cafe sign
[2] Figure11_1CafeSignSwitchResolutions.x3d (default X3D view from 0 0 10)

Figure11_2CafeSignBillboard
Figure 11 2 Cafe Sign Billboard.x3d    
[3] Figure11_2CafeSignBillboard.x3d Cafe sign Billboard entry view
[4] Figure11_2CafeSignBillboard.x3d Cafe sign Billboard view from corner
[5] Figure11_2CafeSignBillboard.x3d (default X3D view from 0 0 10)

Figure11_3BoundingBox
Figure 11 3 Bounding Box.x3d    
[6] Figure11_3BoundingBox.x3d A group of shapes within a bounding box.
[7] Figure11_3BoundingBox.x3d (default X3D view from 0 0 10)
 

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