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<meta name='creatorcontent='Figure 24.1, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
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<meta name='translatorcontent='Don Brutzman'/>
<meta name='createdcontent='22 September 2000'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='descriptioncontent='A silent set of emitter markers indicating emitter location, minimum-range ellipsoid, and maximum-range ellipsoid. Used by other Chapter 24 examples.'/>
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