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X3D Example Archives: Conformance Nist, Special Groups, LOD

[1] bound_500.x3d user avatar position
Chapter Viewpoint Slideshow

LOD (Level Of Detail) uses camera-to-object distance to switch among contained child levels. (Contained nodes are now called 'children' rather than 'level', for consistent naming among all GroupingNodeType nodes.) LOD range values go from near to far (as child geometry gets simpler for better performance). For n range values, you must have n+1 children levels! Only currently selected children level is rendered, but all levels continue to send/receive events.

X3D Tooltips of interest: LOD.

X3D Specification sections of interest: 23 Navigation component, 23.2 Concepts and 23.4.3 LOD.

X3D Examples Archives of related interest:

10 X3D Scenes                 14 Viewpoint Snapshots

bound_500
bound 500.x3d    
[1] bound_500.x3d user avatar position
[2] bound_500.x3d (default X3D view from 0 0 10)

empty_range
empty range.x3d    
[3] empty_range.x3d user avatar position
[4] empty_range.x3d (default X3D view from 0 0 10)

extra_levels
extra levels.x3d    
[5] extra_levels.x3d user avatar position
[6] extra_levels.x3d (default X3D view from 0 0 10)

few_levels
few levels.x3d    
[7] few_levels.x3d user avatar position
[8] few_levels.x3d (default X3D view from 0 0 10)

multiple_level
multiple level.x3d    
[9] multiple_level.x3d user avatar position
[10] multiple_level.x3d (default X3D view from 0 0 10)

ref1
ref 1.x3d    
[11] ref1.x3d (default X3D view from 0 0 10)

ref2
ref 2.x3d    
[12] ref2.x3d (default X3D view from 0 0 10)

ref3
ref 3.x3d    
[13] ref3.x3d (default X3D view from 0 0 10)

ref4
ref 4.x3d    
[14] ref4.x3d (default X3D view from 0 0 10)

test_center
test center.x3d    
[15] test_center.x3d avatar position of user
[16] test_center.x3d (default X3D view from 0 0 10)
 

This viewpoint slideshow is online at
http://www.web3d.org/x3d/content/examples/ConformanceNist/SpecialGroups/LOD/viewpointSlideshow.html

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Viewpoint image version history at
http://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/ConformanceNist/SpecialGroups/LOD/_viewpoints

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